Forward-Looking Statements This section outlines the nature of forward-looking statements, including predictions, estimates, and assumptions, and highlights the inherent risks and uncertainties that could cause actual results to differ materially Forward-Looking Statements Overview This section outlines the nature of forward-looking statements, including predictions, estimates, and assumptions, and highlights the inherent risks and uncertainties that could cause actual results to differ materially - Forward-looking statements are predictions based on estimates and assumptions, subject to risks and uncertainties that could cause actual results to differ materially45 - Key areas covered by forward-looking statements include strategic objectives, capital allocation, sustainability goals, 2025 Outlook, financial and operational performance, asset optimization, growth strategies, ongoing transactions, project costs/schedules, regulatory outcomes, industry conditions, and legal proceedings67 - Assumptions underlying these statements include no significant changes to laws, regulations, market conditions, power/gas prices, interest/foreign exchange rates, demand for generation, facility integrity, debt ratings, or unforeseen economic events68 - Adverse factors include fluctuations in power/commodity prices, changes in supply/demand, ability to contract generation, development/acquisition risks, financing difficulties, ESG target achievement, regulatory changes, operational risks, cybersecurity threats, economic risks, and legal disputes811 Description of the Business TransAlta Corporation is a major Canadian publicly traded power generator with a diverse fleet across Canada, the U.S., and Western Australia Business Overview TransAlta Corporation is a major Canadian publicly traded power generator with a diverse fleet across Canada, the U.S., and Western Australia, including hydro, wind, solar, battery storage, natural gas, and coal - TransAlta is one of Canada's largest publicly traded power generators, operating a diverse fleet (hydro, wind, solar, battery storage, natural gas, coal) across Canada, the U.S., and Western Australia12 - Strategic priorities include optimizing the Alberta portfolio, executing growth, realizing value from legacy assets, maintaining financial strength, defining next-gen power solutions, and leading in ESG and market policy13 Portfolio of Assets TransAlta's asset portfolio is geographically diversified and includes both merchant and high-quality contracted assets, with a total gross installed capacity of 9,014 MW as of June 30, 2025 - The asset portfolio is geographically diversified across core markets (Canada, U.S., Western Australia) and includes both merchant and high-quality contracted assets1415 - Merchant exposure is primarily in Alberta (58% of capacity), managed through hedging strategies with commercial and industrial (C&I) customers and financial hedges1516 Total Gross Installed Capacity (MW) | Segment | Alberta (MW) | Canada (excl. AB) (MW) | U.S. (MW) | Western Australia (MW) | Total (MW) | Number of facilities | | :---------------- | :----------- | :--------------------- | :-------- | :--------------------- | :--------- | :------------------- | | Hydro | 834 | 88 | — | — | 922 | 24 | | Wind & Solar | 764 | 751 | 1,024 | 48 | 2,587 | 36 | | Gas | 3,650 | 705 | 29 | 450 | 4,834 | 26 | | Energy Transition | — | — | 671 | — | 671 | 2 | | Total | 5,248 | 1,544 | 1,724 | 498 | 9,014 | 88 | Contracted Capacity Approximately 52% of TransAlta's total installed capacity is contracted with creditworthy counterparties, providing stable long-term earnings with a weighted average contract life of 5 years - Approximately 52% of total installed capacity is contracted with creditworthy counterparties, providing stable long-term earnings and cash flow1519 Contracted Capacity | Segment | Contracted Capacity (MW) | Contracted Capacity as a % of Total Capacity (%) | | :---------------- | :----------------------- | :--------------------------------------------- | | Hydro | 88 | 10 | | Wind & Solar | 2,159 | 83 | | Gas | 2,071 | 43 | | Energy Transition | 381 | 57 | | Total | 4,699 | 52 | Weighted Average Contract Life (years) | Segment | Weighted Average Contract Life (years) | | :---------------- | :------------------------------------- | | Hydro | 1 | | Wind & Solar | 10 | | Gas | 4 | | Energy Transition | — | | Total | 5 | Highlights This section presents TransAlta's consolidated financial and operational highlights, including performance metrics, revenues, and key financial indicators for Q2 and H1 2025 Consolidated Financial and Operational Highlights For Q2 and H1 2025, TransAlta delivered strong operational performance with increased availability and production, despite a decrease in revenues, while maintaining strong liquidity - The acquisition of Heartland Generation in December 2024 added 1,747 MW to gross installed capacity23 Consolidated Financial and Operational Highlights (Q2 & H1 2025 vs. 2024) | Metric | 3 months ended June 30, 2025 | 3 months ended June 30, 2024 | Change (QoQ) | 6 months ended June 30, 2025 | 6 months ended June 30, 2024 | Change (YoY) | | :-------------------------------------------- | :--------------------------- | :--------------------------- | :----------- | :--------------------------- | :--------------------------- | :----------- | | Availability (%) | 91.6 | 90.8 | +0.8 | 93.3 | 91.5 | +1.8 | | Production (GWh) | 4,813 | 4,781 | +32 | 11,645 | 10,959 | +686 | | Revenues (CAD millions) | 433 | 582 | -149 | 1,191 | 1,529 | -338 | | Adjusted EBITDA (CAD millions) | 349 | 316 | +33 | 619 | 658 | -39 | | Net (loss) earnings attributable to common shareholders (CAD millions) | (112) | 56 | -168 | (66) | 278 | -344 | | Cash flow from operating activities (CAD millions) | 157 | 108 | +49 | 164 | 352 | -188 | | Available liquidity (CAD millions) | 1,497 | N/A | N/A | 1,497 | N/A | N/A | | Adjusted net debt to adjusted EBITDA (times) | 3.8 | N/A | N/A | 3.8 | N/A | N/A | | Total assets (CAD millions) | 8,939 | N/A | N/A | 8,939 | N/A | N/A | | Total liabilities (CAD millions) | 7,276 | N/A | N/A | 7,276 | N/A | N/A | Operating Performance TransAlta experienced improved availability across its fleet, particularly in Energy Transition and Hydro segments, contributing to increased overall production for both Q2 and H1 2025 Availability by Segment (%) | Segment | 3 months ended June 30, 2025 | 3 months ended June 30, 2024 | 6 months ended June 30, 2025 | 6 months ended June 30, 2024 | | :---------------- | :--------------------------- | :--------------------------- | :--------------------------- | :--------------------------- | | Hydro | 97.0 | 90.5 | 95.3 | 91.2 | | Wind and Solar | 94.7 | 94.3 | 94.3 | 93.9 | | Gas | 90.2 | 95.3 | 92.9 | 94.9 | | Energy Transition | 81.3 | 59.0 | 89.1 | 69.0 | | Total | 91.6 | 90.8 | 93.3 | 91.5 | - Higher availability in Q2 and H1 2025 was primarily due to lower planned and unplanned outages at the Centralia facility (Energy Transition) and in the Hydro segment, partially offset by higher unplanned outages in the Gas segment3536 Total Production (GWh) | Segment | 3 months ended June 30, 2025 | 3 months ended June 30, 2024 | 6 months ended June 30, 2025 | 6 months ended June 30, 2024 | | :---------------- | :--------------------------- | :--------------------------- | :--------------------------- | :--------------------------- | | Hydro | 572 | 426 | 955 | 777 | | Wind and Solar | 1,513 | 1,499 | 3,418 | 2,997 | | Gas | 2,486 | 2,854 | 5,990 | 6,382 | | Energy Transition | 242 | 2 | 1,282 | 803 | | Total | 4,813 | 4,781 | 11,645 | 10,959 | - Total production increased by 1% in Q2 and 6% in H1 2025, driven by Heartland gas facilities acquisition, improved Centralia availability, and higher Hydro production, partially offset by Gas segment dispatch optimization due to lower market prices4145 Market Pricing (Q2 & H1 2025 vs. 2024) | Market Price Metric | 3 months ended June 30, 2025 | 3 months ended June 30, 2024 | Change (QoQ) | 6 months ended June 30, 2025 | 6 months ended June 30, 2024 | Change (YoY) | | :---------------------------------- | :--------------------------- | :--------------------------- | :----------- | :--------------------------- | :--------------------------- | :----------- | | Alberta spot power price ($/MWh) | 40 | 45 | -11% | 40 | 72 | -44% | | Mid-Columbia spot power price (US$/MWh) | 34 | 29 | +17% | 42 | 67 | -37% | | Ontario spot power price ($/MWh) | 36 | 28 | +29% | 50 | 31 | +61% | | Natural gas price (AECO) per GJ ($) | 1.64 | 1.14 | +44% | 1.83 | 1.54 | +19% | - Alberta spot power prices decreased significantly (11% in Q2, 44% in H1) due to a mild winter and increased supply4243 - AECO natural gas prices increased (44% in Q2, 19% in H1) due to lower storage levels4243 Financial Performance Review of Consolidated Information Consolidated revenues decreased significantly in both Q2 and H1 2025, primarily due to lower derivative and trading activities and unfavorable market conditions, leading to a net loss Consolidated Statement of Earnings (Q2 & H1 2025 vs. 2024) | Metric | 3 months ended June 30, 2025 | 3 months ended June 30, 2024 | 6 months ended June 30, 2025 | 6 months ended June 30, 2024 | | :-------------------------------------------- | :--------------------------- | :--------------------------- | :--------------------------- | :--------------------------- | | Revenues | 433 | 582 | 1,191 | 1,529 | | Fuel and purchased power | (173) | (154) | (450) | (477) | | Carbon compliance recovery (costs) | 74 | 8 | 25 | (32) | | Operations, maintenance and administration | (173) | (144) | (346) | (278) | | Depreciation and amortization | (150) | (131) | (296) | (255) | | Asset impairment charges | (13) | (5) | (28) | (6) | | Fair value change in contingent consideration payable | — | — | 34 | — | | Interest expense | (88) | (80) | (181) | (149) | | Foreign exchange loss | (17) | (1) | (21) | (6) | | (Loss) Earnings before income taxes | (95) | 94 | (46) | 361 | | Income tax expense | (11) | (28) | (18) | (57) | | Net (loss) earnings attributable to common shareholders | (112) | 56 | (66) | 278 | - Q2 2025 revenues decreased by $149 million (26%) due to higher unrealized mark-to-market losses from derivatives in Gas, Wind & Solar, Energy Transition, and Hydro segments, partially offset by the Heartland acquisition4955 - H1 2025 revenues decreased by $338 million (22%) due to lower Alberta power prices, higher dispatch optimization in Gas, and increased unrealized mark-to-market losses, partially offset by the Heartland acquisition5862 - Carbon compliance recovery increased significantly in both periods due to higher utilization of internally generated emission credits and lower fuel consumption in the Gas segment, despite an increase in carbon price5562 - Asset impairment charges increased by 160% in Q2 and 367% in H1 2025, mainly due to increased decommissioning and restoration provisions on retired assets and an impairment charge on Planned Divestiture assets5160 Adjusted EBITDA Adjusted EBITDA increased by 10% in Q2 2025 to $349 million, driven by Hydro and Energy Transition segments, but decreased by 6% in H1 2025 to $619 million Adjusted EBITDA (CAD millions) | Period | 2025 | 2024 | Change | | :---------------------- | :--- | :--- | :----- | | 3 months ended June 30 | 349 | 316 | +33 | | 6 months ended June 30 | 619 | 658 | -39 | - Q2 2025 Adjusted EBITDA increased due to higher environmental/tax attributes revenue and volumes in Hydro, and higher market optimization/availability in Energy Transition, partially offset by lower Gas and Energy Marketing contributions66 - H1 2025 Adjusted EBITDA decreased due to lower Gas segment performance (dispatch optimization, lower prices, higher carbon price) and subdued market volatility in Energy Marketing, partially offset by positive contributions from Wind and Solar (new facilities) and Energy Transition (lower purchased power costs)69 Free Cash Flow Free Cash Flow (FCF) remained consistent in Q2 2025 at $177 million but decreased by $82 million (21%) in H1 2025 to $316 million Free Cash Flow (FCF) (CAD millions) | Period | 2025 | 2024 | Change | | :---------------------- | :--- | :--- | :----- | | 3 months ended June 30 | 177 | 177 | 0 | | 6 months ended June 30 | 316 | 398 | -82 | - FCF for Q2 2025 was consistent with Q2 2024, with higher Adjusted EBITDA offset by increased sustaining capital expenditures and net interest expense72 - FCF for H1 2025 decreased due to lower Adjusted EBITDA, higher sustaining capital expenditures (Canadian gas facilities, Heartland acquisition), and increased net interest expense76 Capital Expenditures This section details TransAlta's capital expenditures, distinguishing between sustaining capital for maintenance and growth capital for new projects Sustaining Capital Expenditures Sustaining capital expenditures increased in both Q2 and H1 2025, primarily driven by higher major maintenance at Canadian gas facilities and Heartland-acquired assets - Sustaining capital expenditures are incurred for major maintenance to sustain existing capacity or production79 Sustaining Capital Expenditures (CAD millions) | Segment | 3 months ended June 30, 2025 | 3 months ended June 30, 2024 | 6 months ended June 30, 2025 | 6 months ended June 30, 2024 | | :---------------- | :--------------------------- | :--------------------------- | :--------------------------- | :--------------------------- | | Hydro | 6 | 10 | 10 | 13 | | Wind and Solar | 7 | 4 | 11 | 7 | | Gas | 40 | 11 | 51 | 14 | | Energy Transition | — | 12 | — | 12 | | Corporate | 4 | 3 | 8 | (6) | | Total | 57 | 40 | 80 | 40 | - Total sustaining capital expenditures increased by $17 million in Q2 and $40 million in H1 2025, mainly due to higher major maintenance for Canadian gas facilities and Heartland-acquired assets, offset by no major maintenance in Energy Transition8081 Growth and Development Capital Expenditures Growth and development capital expenditures decreased in H1 2025 compared to H1 2024, as many development projects achieved commercial operation in the first half of 2024 - Growth capital expenditures add megawatts or generate new incremental revenues, covering engineering, design, contracting, permitting, payroll, and overhead83 Growth and Development Spending (CAD millions) | Segment | 3 months ended June 30, 2025 | 3 months ended June 30, 2024 | 6 months ended June 30, 2025 | 6 months ended June 30, 2024 | | :---------------------------- | :--------------------------- | :--------------------------- | :--------------------------- | :--------------------------- | | Hydro | 1 | 3 | 1 | 6 | | Wind and Solar | — | — | — | 48 | | Gas | 15 | 12 | 26 | 16 | | Energy Transition | 2 | — | 2 | — | | Total | 18 | 15 | 29 | 70 | - Growth and development capital expenditures were lower in H1 2025 compared to H1 2024, as many development projects achieved commercial operation in the first half of 202484 Significant and Subsequent Events This section outlines key corporate and financial events, including credit facility extensions, asset divestitures, senior note issuances, and dividend increases Corporate and Financial Events TransAlta executed several key corporate and financial actions, including extending credit facilities, recontracting Ontario wind facilities, divesting Poplar Hill, and issuing senior notes - On July 16, 2025, TransAlta extended $2.1 billion in committed credit facilities, pushing maturity dates to June 30, 2029 (syndicated) and June 30, 2027 (bilateral)85 - The company recontracted its Melancthon 1, Melancthon 2, and Wolfe Island wind facilities through the Ontario IESO MT2e, extending contracts until April 30, 2031, and April 30, 2034, respectively86 - An agreement was signed for the divestiture of the 48 MW Poplar Hill asset, as required by the Heartland Generation acquisition consent agreement87 - TransAlta issued $450 million of senior notes with a 5.625% annual coupon, maturing March 24, 2032, and used the proceeds to repay a $400 million variable rate term loan facility8889 - A strategic investment was made in Nova Clean Energy, LLC, including a US$75 million term loan and US$100 million revolving facility, granting TransAlta exclusive rights to purchase Nova's late-stage development projects in the western U.S91 - The Sundance Unit 6 facility was mothballed for up to two years, with flexibility to return to service based on market conditions92 - The Board approved an 8% increase to the common share dividend, raising it to $0.065 per common share quarterly ($0.26 annualized), marking the sixth consecutive annual increase93 - The company received approval for a Normal Course Issuer Bid (NCIB) to repurchase up to 14 million common shares by May 30, 2026, allocating up to $100 million for share repurchases9596 Segmented Financial Performance and Operating Results This section provides a detailed review of TransAlta's financial and operating performance across its Hydro, Wind and Solar, Gas, Energy Transition, Energy Marketing, and Corporate segments Overall Segmented Financial Performance TransAlta's overall segmented financial performance in Q2 2025 saw an increase in Adjusted earnings before income taxes, but a decrease in Adjusted net earnings attributable to common shareholders Segmented Financial Performance (CAD millions) | Metric | 3 months ended June 30, 2025 | 3 months ended June 30, 2024 | 6 months ended June 30, 2025 | 6 months ended June 30, 2024 | | :-------------------------------------------- | :--------------------------- | :--------------------------- | :--------------------------- | :--------------------------- | | Hydro Adjusted EBITDA | 126 | 83 | 173 | 170 | | Wind and Solar Adjusted EBITDA | 89 | 88 | 191 | 177 | | Gas Adjusted EBITDA | 128 | 142 | 232 | 267 | | Energy Transition Adjusted EBITDA | 19 | 2 | 56 | 29 | | Energy Marketing Adjusted EBITDA | 26 | 39 | 47 | 78 | | Corporate Adjusted EBITDA | (39) | (38) | (80) | (63) | | Total Adjusted EBITDA | 349 | 316 | 619 | 658 | | Adjusted earnings before income taxes | 122 | 112 | 150 | 256 | | (Loss) earnings before income taxes | (95) | 94 | (46) | 361 | | Adjusted net earnings attributable to common shareholders | 54 | 70 | 84 | 197 | | Net (loss) earnings attributable to common shareholders | (112) | 56 | (66) | 278 | - Adjusted earnings before income taxes increased by $10 million (9%) in Q2 2025, driven by higher Adjusted EBITDA and realized foreign exchange gains, partially offset by higher depreciation and interest expense99100 - Net loss before income taxes increased by $189 million (201%) in Q2 2025, primarily due to higher unrealized mark-to-market losses across multiple segments and increased foreign exchange losses and asset impairment charges99101104 - Adjusted earnings before income taxes decreased by $106 million (41%) in H1 2025, mainly due to lower Adjusted EBITDA, higher depreciation from new facilities, and increased interest expense102104 - Net loss before income taxes increased by $407 million (113%) in H1 2025, driven by higher unrealized mark-to-market losses, asset impairment charges (including Planned Divestitures), and foreign exchange losses, partially offset by an impairment reversal103105 Hydro Segment The Hydro segment showed strong performance in Q2 2025 with a 52% increase in Adjusted EBITDA, driven by higher environmental and tax attributes revenue, increased merchant and ancillary services volumes due to higher availability, and higher ancillary services prices Hydro Segment Performance (CAD millions, except GWh/%) | Metric | 3 months ended June 30, 2025 | 3 months ended June 30, 2024 | Change (QoQ) | 6 months ended June 30, 2025 | 6 months ended June 30, 2024 | Change (YoY) | | :------------------------------------ | :--------------------------- | :--------------------------- | :----------- | :--------------------------- | :--------------------------- | :----------- | | Availability (%) | 97.0 | 90.5 | +6.5 | 95.3 | 91.2 | +4.1 | | Total energy production (GWh) | 572 | 426 | +146 | 955 | 777 | +178 | | Adjusted revenues | 147 | 100 | +47 | 212 | 207 | +5 | | Adjusted EBITDA | 126 | 83 | +43 | 173 | 170 | +3 | | Adjusted earnings before income taxes | 118 | 75 | +43 | 156 | 155 | +1 | - Q2 2025 Adjusted revenues increased by 47% due to higher environmental/tax attributes revenue (intercompany sales of emission credits), increased merchant and ancillary services volumes (higher availability), and higher ancillary services prices, partially offset by lower Alberta spot power prices109113 - H1 2025 Adjusted revenues increased by 2% due to higher merchant and ancillary services volumes, increased environmental/tax attributes revenue, and higher volume of favorable hedging positions settled, partially offset by lower Alberta spot power and ancillary services prices110114 Wind and Solar Segment The Wind and Solar segment saw a slight increase in Adjusted EBITDA for both Q2 and H1 2025, driven by higher environmental and tax attributes revenue and the full impact of new wind facilities. However, Adjusted earnings before income taxes decreased due to higher depreciation and amortization Wind and Solar Segment Performance (CAD millions, except GWh/%) | Metric | 3 months ended June 30, 2025 | 3 months ended June 30, 2024 | Change (QoQ) | 6 months ended June 30, 2025 | 6 months ended June 30, 2024 | Change (YoY) | | :------------------------------------ | :--------------------------- | :--------------------------- | :----------- | :--------------------------- | :--------------------------- | :----------- | | Gross installed capacity (MW) | 2,587 | 2,584 | +3 | 2,587 | 2,584 | +3 | | Availability (%) | 94.7 | 94.3 | +0.4 | 94.3 | 93.9 | +0.4 | | Total production (GWh) | 1,513 | 1,499 | +14 | 3,418 | 2,997 | +421 | | Adjusted revenues | 129 | 122 | +7 | 274 | 242 | +32 | | Adjusted EBITDA | 89 | 88 | +1 | 191 | 177 | +14 | | Adjusted earnings before income taxes | 37 | 41 | -4 | 86 | 87 | -1 | - Q2 2025 Adjusted revenues increased due to higher environmental/tax attributes revenue (emission credits sales), partially offset by lower tax attributes revenue from Oklahoma (lower wind resource) and lower Alberta pool prices120122 - H1 2025 Adjusted revenues increased due to the full impact of White Rock and Horizon Hill wind facilities, higher environmental attributes revenue, increased production in Eastern Canada, and higher tax attributes revenue from Oklahoma facilities121123 - Adjusted earnings before income taxes decreased in both periods due to higher depreciation and amortization from new wind facilities120122124 Gas Segment The Gas segment experienced a decrease in Adjusted EBITDA for both Q2 and H1 2025, primarily due to lower market prices, higher dispatch optimization, increased carbon prices, and higher natural gas prices. This was partially offset by positive contributions from the Heartland acquisition and increased utilization of emission credits Gas Segment Performance (CAD millions, except GWh/%) | Metric | 3 months ended June 30, 2025 | 3 months ended June 30, 2024 | Change (QoQ) | 6 months ended June 30, 2025 | 6 months ended June 30, 2024 | Change (YoY) | | :------------------------------------ | :--------------------------- | :--------------------------- | :----------- | :--------------------------- | :--------------------------- | :----------- | | Gross installed capacity (MW) | 4,834 | 3,087 | +1,747 | 4,834 | 3,087 | +1,747 | | Availability (%) | 90.2 | 95.3 | -5.1 | 92.9 | 94.9 | -2.0 | | Total production (GWh) | 2,486 | 2,854 | -368 | 5,990 | 6,382 | -392 | | Adjusted revenues | 282 | 300 | -18 | 648 | 646 | +2 | | Adjusted EBITDA | 128 | 142 | -14 | 232 | 267 | -35 | | Adjusted earnings before income taxes | 54 | 86 | -32 | 94 | 156 | -62 | - Q2 2025 Adjusted revenues decreased due to higher dispatch optimization (lower market prices), lower pool and realized power prices in Alberta, partially offset by the Heartland acquisition131133 - Q2 2025 Adjusted EBITDA decreased due to lower adjusted revenues, higher OM&A (Heartland facilities), higher natural gas prices, and increased carbon price, partially offset by utilization of emission credits131133 - H1 2025 Adjusted revenues increased slightly due to the Heartland acquisition and favorable hedge positions, offset by higher dispatch optimization and lower power prices in Alberta132134 - H1 2025 Adjusted EBITDA decreased due to higher OM&A, natural gas prices, and carbon price, partially offset by Heartland contributions and emission credit utilization132134 Energy Transition Segment The Energy Transition segment showed significant improvement in Q2 and H1 2025, with Adjusted EBITDA increasing by 850% and 93% respectively, primarily driven by higher production, improved availability at Centralia, and lower purchased power costs Energy Transition Segment Performance (CAD millions, except GWh/%) | Metric | 3 months ended June 30, 2025 | 3 months ended June 30, 2024 | Change (QoQ) | 6 months ended June 30, 2025 | 6 months ended June 30, 2024 | Change (YoY) | | :------------------------------------ | :--------------------------- | :--------------------------- | :----------- | :--------------------------- | :--------------------------- | :----------- | | Gross installed capacity (MW) | 671 | 671 | — | 671 | 671 | — | | Availability (%) | 81.3 | 59.0 | +22.3 | 89.1 | 69.0 | +20.1 | | Total production (GWh) | 242 | 2 | +240 | 1,282 | 803 | +479 | | Adjusted revenues | 88 | 65 | +23 | 241 | 276 | -35 | | Adjusted EBITDA | 19 | 2 | +17 | 56 | 29 | +27 | | Adjusted earnings before income taxes | 6 | (13) | +19 | 28 | (2) | +30 | - Q2 2025 Adjusted revenues increased by 35% due to higher production driven by higher Mid-Columbia prices and higher availability140 - Q2 2025 Adjusted EBITDA and Adjusted earnings before income taxes increased significantly due to higher adjusted revenues140 - H1 2025 Adjusted revenues decreased by 13% due to lower Mid-Columbia prices142 - H1 2025 Adjusted EBITDA increased due to lower purchased power costs driven by higher availability, which resulted in fewer repurchases to fulfill contractual obligations during outages, partially offset by lower adjusted revenues142145 Energy Marketing Segment The Energy Marketing segment experienced a decrease in Adjusted revenues and Adjusted EBITDA for both Q2 and H1 2025, primarily due to subdued market volatility across North American natural gas and power markets and lower realized settled trades Energy Marketing Segment Performance (CAD millions) | Metric | 3 months ended June 30, 2025 | 3 months ended June 30, 2024 | Change (QoQ) | 6 months ended June 30, 2025 | 6 months ended June 30, 2024 | Change (YoY) | | :------------------------------------ | :--------------------------- | :--------------------------- | :----------- | :--------------------------- | :--------------------------- | :----------- | | Adjusted revenues | 34 | 48 | -14 | 62 | 97 | -35 | | Adjusted EBITDA | 26 | 39 | -13 | 47 | 78 | -31 | | Adjusted earnings before income taxes | 26 | 38 | -12 | 45 | 76 | -31 | - Adjusted revenues and Adjusted EBITDA decreased in both Q2 and H1 2025 due to comparatively subdued market volatility across North American natural gas and power markets and lower realized settled trades147149 Corporate Segment The Corporate segment's Adjusted EBITDA decreased in both Q2 and H1 2025, primarily due to increased spending on strategic initiatives and Heartland-related corporate costs. Adjusted loss before income taxes also increased due to higher interest expense and unrealized foreign exchange losses Corporate Segment Performance (CAD millions) | Metric | 3 months ended June 30, 2025 | 3 months ended June 30, 2024 | Change (QoQ) | 6 months ended June 30, 2025 | 6 months ended June 30, 2024 | Change (YoY) | | :------------------------------------ | :--------------------------- | :--------------------------- | :----------- | :--------------------------- | :--------------------------- | :----------- | | Adjusted OM&A | 38 | 38 | — | 79 | 63 | +16 | | Adjusted EBITDA | (39) | (38) | -1 | (80) | (63) | -17 | | Adjusted loss before income taxes | (119) | (115) | -4 | (259) | (216) | -43 | | Loss before income taxes | (150) | (122) | -28 | (301) | (218) | -83 | - Adjusted EBITDA decreased in both Q2 and H1 2025 due to increased spending on strategic and growth initiatives and the addition of corporate costs related to Heartland151152 - Adjusted loss before income taxes increased due to lower Adjusted EBITDA and higher interest expense (lower capitalized interest, higher credit facility fees), partially offset by higher realized foreign exchange gains151152 - Loss before income taxes increased due to higher adjusted loss before income taxes, higher unrealized foreign exchange losses, and increased spending on ERP system upgrades153 Performance by Segment with Supplemental Geographical Information This section provides a geographical breakdown of Adjusted EBITDA and Adjusted earnings (loss) before income taxes, highlighting regional contributions to overall performance Adjusted EBITDA by Segment and Region This section provides a geographical breakdown of Adjusted EBITDA and Adjusted earnings (loss) before income taxes, showing Alberta as the largest contributor to Adjusted EBITDA Adjusted EBITDA by Segment and Region (3 months ended June 30, 2025) | Region | Hydro | Wind & Solar | Gas | Energy Transition | Energy Marketing | Corporate | Total | | :------------------------ | :---- | :----------- | :-- | :---------------- | :--------------- | :-------- | :---- | | Alberta | 120 | 21 | 76 | (3) | 26 | (39) | 201 | | Canada, excluding Alberta | 6 | 32 | 27 | — | — | — | 65 | | US | — | 34 | 2 | 22 | — | — | 58 | | Western Australia | — | 2 | 23 | — | — | — | 25 | | Adjusted EBITDA | 126 | 89 | 128 | 19 | 26 | (39) | 349 | Adjusted EBITDA by Segment and Region (6 months ended June 30, 2025) | Region | Hydro | Wind & Solar | Gas | Energy Transition | Energy Marketing | Corporate | Total | | :------------------------ | :---- | :----------- | :-- | :---------------- | :--------------- | :-------- | :---- | | Alberta | 167 | 31 | 126 | (5) | 47 | (80) | 286 |\ | Canada, excluding Alberta | 6 | 80 | 54 | — | — | — | 140 | | U.S. | — | 76 | 5 | 61 | — | — | 142 | | Western Australia | — | 4 | 47 | — | — | — | 51 | | Adjusted EBITDA | 173 | 191 | 232 | 56 | 47 | (80) | 619 | Optimization of the Alberta Portfolio This section details TransAlta's strategy for its Alberta portfolio, including hedging, diversification, and the impact of market conditions on realized power prices Alberta Portfolio Strategy and Performance TransAlta's Alberta portfolio, comprising 58% of its capacity, is strategically managed through hedging and diversification of fuel types, despite lower overall production and spot prices - TransAlta's merchant exposure is primarily in Alberta, with 58% of capacity located there and 77% available for the merchant market, managed through hedging strategies and C&I customers159164 - The Heartland acquisition added 1,747 MW of flexible capacity, including contracted cogeneration and peaking generation, enhancing TransAlta's competitive position in Alberta160193 Alberta Electricity Portfolio Production and Hedging (Q2 & H1 2025 vs. 2024) | Metric | 3 months ended June 30, 2025 | 3 months ended June 30, 2024 | Change (QoQ) | 6 months ended June 30, 2025 | 6 months ended June 30, 2024 | Change (YoY) | | :------------------------------------ | :--------------------------- | :--------------------------- | :----------- | :--------------------------- | :--------------------------- | :----------- | | Total production (GWh) | 2,466 | 2,719 | -253 | 5,661 | 5,891 | -230 | | Production contracted or hedged (%) | 131% | 111% | +20% | 128% | 99% | +29% | | Hedged volumes (GWh) | 1,868 | 2,132 | -264 | 4,247 | 4,077 | +170 | | Adjusted gross margin ($ millions) | 271 | 219 | +52 | 433 | 442 | -9 | - Q2 2025 total production decreased by 9% due to lower merchant production in Gas (dispatch optimization) and Wind & Solar (lower wind resource), partially offset by higher contract production in Gas (Heartland) and Hydro production168169 - H1 2025 total production decreased by 4% due to lower merchant production in Gas and Wind & Solar, partially offset by higher contract production in Gas (Heartland) and Hydro production176177 Alberta Market and Portfolio Results (Q2 & H1 2025 vs. 2024) | Metric | 3 months ended June 30, 2025 | 3 months ended June 30, 2024 | 6 months ended June 30, 2025 | 6 months ended June 30, 2024 | | :------------------------------------ | :--------------------------- | :--------------------------- | :--------------------------- | :--------------------------- | | Alberta Spot power price average ($/MWh) | 40 | 45 | 40 | 72 | | Natural gas price (AECO) per GJ ($) | 1.64 | 1.14 | 1.83 | 1.54 | | Carbon compliance price per tonne ($) | 95 | 80 | 95 | 80 | | Realized merchant power price per MWh ($) | 111 | 97 | 111 | 105 | | Hedged power price average per MWh ($) | 70 | 84 | 70 | 86 | | Fuel cost per MWh ($) | 42 | 35 | 44 | 42 | | Carbon compliance (recovery) cost per MWh ($) | (8) | 11 | 6 | 13 | - Alberta spot power prices decreased to $40/MWh in both Q2 and H1 2025 due to milder weather and increased supply181182183 - Realized merchant power price per MWh increased due to favorable hedge positions settling181182183 - Carbon compliance cost per MWh decreased due to higher utilization of emission credits, despite an increase in carbon price from $80 to $95 per tonne183 Selected Quarterly Information This section presents TransAlta's selected quarterly financial and operational trends, highlighting seasonal impacts and key factors influencing performance Quarterly Financial and Operational Trends TransAlta's quarterly results are seasonal, influenced by electricity market dynamics and fuel costs, with Q2 2025 seeing a net loss attributable to common shareholders - Results are seasonal, with higher maintenance costs in spring/fall and higher electricity prices in peak winter/summer184 - Hydro production peaks in spring, while wind speeds are higher in winter184 Selected Quarterly Financial Information (CAD millions, except per share) | Metric | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | | :-------------------------------------------- | :------ | :------ | :------ | :------ | | Revenues | 638 | 678 | 758 | 433 | | Carbon compliance costs (recovery) | 41 | 39 | 49 | (74) | | OM&A | 143 | 234 | 173 | 173 | | Depreciation and amortization | 133 | 143 | 146 | 150 | | Earnings (loss) before income taxes | 9 | (51) | 49 | (95) | | Net earnings (loss) attributable to common shareholders | (36) | (65) | 46 | (112) | | Net earnings (loss) per share attributable to common shareholders, basic and diluted | (0.12) | (0.22) | 0.15 | (0.38) | | Cash flow from operating activities | 229 | 215 | 7 | 157 | - Operating results were impacted by the Heartland acquisition (Dec 2024) and commissioning of new wind and solar facilities in 2023-2024186 - Revenues were impacted by higher production in Q1/Q2 2025, unrealized mark-to-market gains/losses, and lower realized pricing in 2024 (new supply in Alberta) but higher in Q1/Q2 2025 (favorable hedge positions)186187 - Carbon compliance costs were reduced in Q2 2025 by using internally generated and purchased emission credits for 2024 GHG obligations, despite higher carbon prices ($95/tonne in 2025 vs. $80/tonne in 2024)188189 - OM&A increased due to strategic/growth initiatives, Heartland facilities, Kent Hills/White Rock/Horizon Hill return to service/addition, and ERP system upgrade planning188189 - Cash flow from operating activities was impacted by unfavorable changes in non-cash operating working capital, higher unrealized foreign exchange losses in Q2 2025, and higher provisions188190 Strategic Priorities This section outlines TransAlta's core strategic objectives, including optimizing its Alberta portfolio, executing growth plans, maintaining financial strength, and leading in market policy Company Strategic Objectives TransAlta is focused on investing in electricity solutions, optimizing its Alberta portfolio, realizing value from legacy assets, and executing a technology-agnostic growth plan - The company's strategy focuses on generating meaningful, risk-adjusted returns by optimizing legacy thermal assets, operating a diverse renewable fleet, leveraging marketing capabilities, and expanding with contracted clean energy and selective gas assets191 - Key strategic priorities include: Optimize Alberta Portfolio, Realize the Value of Legacy Generating Facilities, Execute Growth Plan, Maintain Financial Strength and Capital Discipline, Define Next Generation of Power Solutions, and Lead in Market Policy Development192193195196197198199 - Financial strength is maintained with $1.5 billion in liquidity (as of June 30, 2025), an 8% common share dividend increase (to $0.26/share annualized), and a commitment to repurchase up to $100 million in common shares197 - TransAlta actively engages in policy development, particularly in Alberta's restructured energy market, to support reliability, affordability, and decarbonization by 2050199 Growth This section details TransAlta's development pipeline, including mid-stage and early-stage projects, and projects currently under construction, focusing on clean energy expansion Development Pipeline Overview TransAlta's development pipeline includes 475 MW of mid-stage projects and 4,078 MW of early-stage projects, focusing on redeveloping existing thermal sites and pursuing greenfield opportunities - The development pipeline includes 475 MW of mid-stage projects and 4,078 MW of early-stage projects, with a focus on redeveloping existing thermal sites and pursuing greenfield/M&A opportunities in Alberta, Western Australia, and the western United States201 Early-Stage Projects (MW) | Project Category | Thermal Generation | Wind | Solar | Storage | Total | | :--------------- | :----------------- | :--- | :---- | :------ | :---- | | Various | 1,625 | 983 | 230 | 1,240 | 4,078 | Mid-Stage Projects (MW) | Region | Thermal Generation | Wind | Solar | Storage | Total | | :---------------- | :----------------- | :--- | :---- | :------ | :---- | | Canada | — | 100 | — | — | 100 | | United States | — | 185 | 150 | — | 335 | | Western Australia | — | — | 40 | — | 40 | | Total | — | 285 | 190 | — | 475 | Projects Under Construction | Project | Type | Region | MW | Estimated spend (CAD millions) | Spent to date (CAD millions) | Target completion date | PPA Term (years) | Status | | :------------------------ | :----------- | :---------------- | :---- | :----------------------------- | :--------------------------- | :--------------------- | :--------------- | :----------------------------------------- | | Mount Keith West Network Upgrade | Transmission | Western Australia | n/a | $34 — $36 | $19 | Q4 2025 | 13 | All major equipment delivered and installed; on-track to be completed on schedule. | Financial Position This section provides an overview of TransAlta's consolidated statements of financial position, detailing changes in assets, liabilities, and equity Consolidated Statements of Financial Position Changes TransAlta's total assets decreased by $560 million to $8,939 million as of June 30, 2025, primarily due to lower current assets and non-current assets Significant Changes in Condensed Consolidated Statements of Financial Position (June 30, 2025 vs. Dec. 31, 2024) | Metric | June 30, 2025 (CAD millions) | Dec. 31, 2024 (CAD millions) | Increase/(decrease) (CAD millions) | | :-------------------------------------------- | :--------------------------- | :--------------------------- | :--------------------------------- | | Total current assets | 1,443 | 1,773 | (330) | | Total non-current assets | 7,496 | 7,726 | (230) | | Total assets | 8,939 | 9,499 | (560) | | Total current liabilities | 1,828 | 2,569 | (741) | | Total non-current liabilities | 5,448 | 5,087 | 361 | | Total liabilities | 7,276 | 7,656 | (380) | | Total equity | 1,663 | 1,843 | (180) | - Current assets decreased by $330 million, mainly due to lower risk management assets (market prices, contract settlements) and lower cash and cash equivalents (operating/investing activities)215217 - Current liabilities decreased by $741 million, primarily due to advance repayment of the variable rate term loan, lower risk management liabilities, reduced accounts payable, lower contingent consideration payable, and timing of dividend payments215217 - Non-current assets decreased by $230 million, mainly from depreciation of PP&E and transfers to assets held for sale, and lower risk management assets, partially offset by higher long-term financial assets (Nova investment)215218 - Non-current liabilities increased by $361 million due to the $450 million senior notes offering and higher risk management liabilities, partially offset by a decrease in decommissioning provisions215218 - Total equity decreased by $180 million due to net losses, net losses on derivatives, dividends declared, and share repurchases under the NCIB216218 Financial Capital This section details TransAlta's capital structure, including debt, equity, credit facilities, and returns to capital providers, highlighting financial leverage and liquidity Capital Structure TransAlta's total capital decreased slightly to $5,955 million as of June 30, 2025, with total consolidated net debt increasing to $3,892 million Capital Structure (June 30, 2025 vs. Dec. 31, 2024) | Component | June 30, 2025 (CAD millions) | % | Dec. 31, 2024 (CAD millions) | % | | :-------------------------------------------- | :--------------------------- | :--- | :--------------------------- | :--- | | Net senior unsecured debt | 1,625 | 27 | 1,453 | 24 | | Exchangeable debentures | 350 | 6 | 350 | 6 | | Non-recourse debt | 1,460 | 25 | 1,508 | 25 | | Recourse debt (TransAlta OCP LP bond) | 180 | 3 | 192 | 3 | | Tax equity financing | 85 | 1 | 101 | 1 | | Lease liabilities | 147 | 2 | 151 | 2 | | Total consolidated net debt | 3,892 | 64 | 3,798 | 62 | | Exchangeable preferred shares | 400 | 7 | 400 | 7 | | Equity attributable to shareholders | 1,579 | 26 | 1,746 | 29 | | Non-controlling interests | 84 | 1 | 97 | 2 | | Total capital | 5,955 | 100 | 6,041 | 100 | - Total consolidated net debt increased to $3,892 million (64% of total capital) as of June 30, 2025, from $3,798 million (62%) at Dec. 31, 2024220 - The company has
TransAlta (TAC) - 2025 Q2 - Quarterly Report