
Part I Business Overview ALLETE operates primarily as a regulated utility through Minnesota Power and SWL&P, complemented by its clean energy and other businesses, focusing on a clean-energy transformation * ALLETE's strategy is to remain a predominantly regulated utility while investing in ALLETE Clean Energy and other businesses to complement its regulated operations and provide long-term growth13 * Minnesota Power, ALLETE's largest business, has a vision to deliver 100% carbon-free energy by 2050 and has already achieved 50% renewable energy supply1055 Consolidated Operating Revenue by Segment | Segment | 2021 | 2020 | 2019 | | :--- | :--- | :--- | :--- | | Regulated Operations | 87% | 84% | 84% | | ALLETE Clean Energy | 6% | 7% | 5% | | U.S. Water Services | — | — | 3% | | Corporate and Other | 7% | 9% | 8% | Regulated Operations Regulated Operations, including Minnesota Power and SWL&P, form the core of ALLETE's business, with industrial customers accounting for 47% of kWh sales in 2021 Regulated Utility Kilowatt-hours Sold (Millions) | Customer Category | 2021 | % of Total | 2020 | % of Total | | :--- | :--- | :--- | :--- | :--- | | Residential | 1,135 | 7% | 1,134 | 9% | | Commercial | 1,359 | 9% | 1,306 | 10% | | Industrial | 7,196 | 47% | 6,192 | 47% | | Municipal | 590 | 4% | 584 | 4% | | Total Retail & Municipal | 10,280 | 67% | 9,216 | 70% | | Other Power Suppliers | 5,102 | 33% | 4,039 | 30% | | Total kWh Sold | 15,382 | 100% | 13,255 | 100% | Regulated Utility Power Supply Mix (2021) | Source | Generation & Purchases (MWh) | % of Total | | :--- | :--- | :--- | | Coal-Fired | 4,451,706 | 28.2% | | Biomass / Natural Gas | 201,403 | 1.3% | | Hydro | 344,025 | 2.2% | | Wind | 1,588,226 | 10.0% | | Solar | 17,263 | 0.1% | | Long-Term Purchased Power | 4,259,314 | 27.0% | | Other Purchased Power | 4,930,066 | 31.2% | | Total Power Supply | 15,792,003 | 100.0% | * Minnesota Power's 2021 Integrated Resource Plan (IRP) proposes expanding renewable energy to 70% by 2030, retiring Boswell Unit 3 by 2030, and making Boswell Unit 4 coal-free by 203554 * On November 1, 2021, Minnesota Power filed for an 18% retail rate increase, seeking a 10.25% return on equity, with an interim rate increase authorized effective January 1, 202252 ALLETE Clean Energy ALLETE Clean Energy develops, acquires, and operates renewable energy projects, primarily wind, with over 1,300 MW of capacity under long-term Power Sales Agreements * ALLETE Clean Energy owns and operates over 1,300 MW of wind energy generation and is developing approximately 200 MW of wind facilities to be sold to others65 ALLETE Clean Energy Operating Portfolio Highlights | Wind Energy Facility | Capacity (MW) | PSA Expiration(s) | | :--- | :--- | :--- | | Armenia Mountain | 101 | 2024 | | Chanarambie/Viking | 98 | 2023 | | Lake Benton | 104 | 2028 | | Storm Lake I & II | 185 | 2022-2032 | | Caddo | 303 | 2034 | | Diamond Spring | 303 | 2032-2035 | | Condon | 50 | 2022 | | Glen Ullin | 106 | 2039 | | South Peak | 80 | 2035 | Corporate and Other The Corporate and Other segment includes BNI Energy, a lignite coal supplier, an equity investment in Nobles 2, South Shore Energy, and ALLETE Properties * BNI Energy produces approximately 4 million tons of lignite coal annually, sold under cost-plus fixed fee agreements extending through 203770 * ALLETE owns a 49% equity interest in Nobles 2, a 250 MW wind energy facility that sells its output to Minnesota Power under a 20-year PPA72 * South Shore Energy sold a portion of its interest in the NTEC natural gas project, recognizing an $8.5 million after-tax gain in Q4 2021, now holding a 20% interest74 Human Capital Management ALLETE had 1,365 employees at year-end 2021, with a focus on talent, health, safety, and diversity, equity, and inclusion * ALLETE had 1,365 employees at year-end 2021, with 1,340 being full-time, and 469 employees covered under collective bargaining agreements82 * The company emphasizes a 'Zero Injury' safety culture, encouraging reporting of near misses and using data to improve safety programs84 * ALLETE is advancing diversity, equity, and inclusion through initiatives in workforce, supply chain, and community engagement, including partnerships and scholarships for underrepresented groups88 Risk Factors ALLETE faces several material risks, including reliance on industrial customers, regulatory changes, meteorological variability, and cybersecurity threats * A significant risk is the concentration of revenue from Large Power Customers, particularly in the cyclical taconite industry, which accounted for 32% of Regulated Operations operating revenue in 202196 * The business is subject to an extensive legal and regulatory framework, where changes or inability to recover costs could adversely impact financial results102104 * ALLETE Clean Energy's results are highly dependent on suitable meteorological conditions for wind generation, and unfavorable weather can cause generation and revenue to be substantially below expectations121 * Entity-wide risks include health pandemics impacting the economy and supply chains, reliance on access to capital markets for funding growth, and vulnerability to cybersecurity attacks on critical infrastructure131135149 Legal Proceedings The company is involved in litigation arising in the normal course of business, with one specific lawsuit where a loss is reasonably possible but not estimable * Minnesota Power is named in a lawsuit from a contractor seeking compensatory damages for an injury, where a loss is deemed reasonably possible but not probable, and no loss amount can be estimated157 Mine Safety Disclosures Information regarding mine safety violations or other regulatory matters is included in Exhibit 95 of the Form 10-K * Information concerning mine safety violations required by Section 1503(a) of the Dodd-Frank Act is included in Exhibit 95 to this Form 10-K158 Part II Common Stock Market and Shareholder Matters ALLETE's common stock is traded on the NYSE under symbol ALE, with a history of uninterrupted dividends since 1948 and approximately 20,000 shareholders * ALLETE common stock is listed on the NYSE under the symbol ALE, and the company has paid dividends continuously since 1948159 Comparison of 5-Year Cumulative Total Return | Investment | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | ALLETE | $100 | $119 | $126 | $138 | $110 | $122 | | S&P 500 Index | $100 | $122 | $116 | $153 | $181 | $233 | | Philadelphia Utility Index | $100 | $113 | $117 | $148 | $152 | $180 | Management's Discussion and Analysis (MD&A) ALLETE's 2021 net income was $169.2 million, influenced by a winter storm, a fuel adjustment refund, and a gain from the NTEC project sale, with a long-term EPS growth target of 5-7% Financial Overview | Metric | 2021 | 2020 | | :--- | :--- | :--- | | Net Income Attributable to ALLETE | $169.2 million | $174.2 million | | Diluted EPS | $3.23 | $3.35 | * Key events in 2021 included an $8.5 million after-tax gain from the NTEC project interest sale, a $5 million after-tax negative impact at Diamond Spring wind facility from a winter storm, and a $3.6 million after-tax charge for a fuel adjustment clause refund168 * The company has a long-term objective of achieving 5% to 7% average annual EPS growth196 Results of Operations: 2021 vs. 2020 In 2021, Regulated Operations net income decreased due to higher costs, while ALLETE Clean Energy's income fell due to a winter storm, partially offset by a gain in Corporate and Other Net Income Attributable to ALLETE by Segment (Millions) | Segment | 2021 | 2020 | | :--- | :--- | :--- | | Regulated Operations | $129.1 | $136.3 | | ALLETE Clean Energy | $26.3 | $29.9 | | Corporate and Other | $13.8 | $8.0 | * Regulated Operations revenue increased by $240.6 million, mainly from higher fuel adjustment recoveries and a 16.2% increase in kWh sales to industrial customers as business conditions improved post-COVID-19173174175 * ALLETE Clean Energy's operating revenue increased to $86.9 million from $79.6 million, driven by new facilities, but net income was negatively impacted by a winter storm event and lower wind resources181 Critical Accounting Policies ALLETE's critical accounting policies involve significant management estimates for regulatory accounting, pension assumptions, asset impairment, and taxation * Regulatory Accounting allows the deferral of incurred costs as regulatory assets if future recovery in rates is probable, requiring significant judgment and quarterly assessment190 * Pension and postretirement benefit calculations rely on key assumptions, including a 6.50% expected long-term rate of return on pension assets and a 2.87% discount rate for 2021191192 * Taxation policy requires judgments on the sustainability of tax positions and the valuation of deferred tax assets, including NOL and tax credit carryforwards194 Outlook ALLETE targets 5-7% annual EPS growth, with Regulated Operations contributing ~75% of net income in 2022, supported by the EnergyForward strategy and $1.8 billion in projected capital expenditures * Minnesota Power's EnergyForward strategy aims for 100% carbon-free energy by 2050, with interim goals of 70% renewables by 2030 and retiring/converting coal units198217218 * Industrial sales are expected to be approximately 6.5 million MWh in 2022, with taconite production estimated at 35 million tons203205 Projected Capital Expenditures (2022-2026, Millions) | Segment | 2022 | 2023 | 2024 | 2025 | 2026 | Total | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Regulated Operations | $125 | $260 | $370 | $365 | $415 | $1,535 | | ALLETE Clean Energy | $10 | $5 | $5 | $5 | $5 | $30 | | Corporate and Other | $75 | $80 | $55 | $15 | $10 | $235 | | Total | $210 | $345 | $430 | $385 | $430 | $1,800 | Liquidity and Capital Resources As of December 31, 2021, ALLETE maintained strong liquidity with $45.1 million cash and $240.8 million available credit, planning to fund $1.8 billion in capital expenditures through internal funds, debt, and equity Capital Structure as of Dec 31, 2021 (Millions) | Component | Amount | % of Total | | :--- | :--- | :--- | | ALLETE Equity | $2,413.1 | 49% | | Non-Controlling Interest | $533.2 | 11% | | Short-Term and Long-Term Debt | $1,986.4 | 40% | | Total Capitalization | $4,932.7 | 100% | Cash Flow Summary (Millions) | Activity | 2021 | 2020 | | :--- | :--- | :--- | | Operating Activities | $263.5 | $299.8 | | Investing Activities | ($485.2) | ($812.8) | | Financing Activities | $204.2 | $485.7 | * ALLETE plans to finance its projected $1.8 billion in capital expenditures from 2022-2026 through internally generated funds, debt, and equity, while maintaining its current capital structure253255 Controls and Procedures Management concluded that ALLETE's disclosure controls and internal control over financial reporting were effective as of December 31, 2021, confirmed by PricewaterhouseCoopers LLP * Management concluded that as of December 31, 2021, the company's disclosure controls and procedures were effective265 * Based on an evaluation using the COSO framework, management concluded that internal control over financial reporting was effective as of December 31, 2021, audited and confirmed by PricewaterhouseCoopers LLP266267 Part III Directors, Executive Officers and Corporate Governance Information on directors, executive officers, and corporate governance is incorporated by reference from the 2022 Proxy Statement, with a Code of Ethics applicable to all employees * Most information required by this item, including details on directors and corporate governance, is incorporated by reference from the 2022 Proxy Statement269 * ALLETE has a Code of Ethics that applies to all employees, including senior financial officers, and is available on the company's website270 Executive Compensation All information regarding executive and director compensation is incorporated by reference from the company's 2022 Proxy Statement * Information on executive and director compensation is incorporated by reference from the "Compensation Discussion and Analysis" and other related sections of the 2022 Proxy Statement272 Security Ownership and Equity Compensation Plans Information on security ownership is incorporated from the 2022 Proxy Statement, with 772,469 securities available for future issuance under approved equity compensation plans Equity Compensation Plan Information as of December 31, 2021 | Plan Category | Number of Securities to be Issued Upon Exercise of Outstanding Options, Warrants, and Rights (a) | Weighted-Average Exercise Price of Outstanding Options, Warrants, and Rights (b) | Number of Securities Remaining Available for Future Issuance (c) | | :--- | :--- | :--- | :--- | | Equity Compensation Plans Approved by Security Holders | 127,075 | — | 772,469 | | Equity Compensation Plans Not Approved by Security Holders | — | — | — | | Total | 127,075 | — | 772,469 | Principal Accountant Fees and Services PricewaterhouseCoopers LLP is the independent registered public accounting firm, with fee information incorporated from the 2022 Proxy Statement * The independent registered public accounting firm is PricewaterhouseCoopers LLP280 Part IV Exhibits and Financial Statement Schedules This section provides an index of financial statements, schedules, and exhibits filed as part of the Form 10-K, including the auditor's report and consolidated financial statements * This section lists all financial statements, schedules, and exhibits filed with the report, including the Consolidated Balance Sheet, Statement of Income, Statement of Cash Flows, and Statement of Equity281 * Schedule II, detailing Valuation and Qualifying Accounts and Reserves, is included in the report281541 Consolidated Financial Statements (Audited) Auditor's Report PricewaterhouseCoopers LLP issued an unqualified opinion on ALLETE's 2021 financial statements and internal controls, identifying regulatory accounting as a Critical Audit Matter * PricewaterhouseCoopers LLP issued an unqualified audit opinion on both the consolidated financial statements and the effectiveness of internal control over financial reporting as of December 31, 2021296 * The audit identified one Critical Audit Matter: the accounting for the effects of regulatory matters, due to the significant management judgment required to determine the probability of recovering deferred costs through future rates303304 Consolidated Financial Statements The consolidated financial statements show ALLETE's total assets at $6.44 billion and total equity at $2.41 billion as of December 31, 2021, with $1.42 billion in operating revenue Consolidated Balance Sheet Highlights (Millions) | As of December 31, | 2021 | 2020 | | :--- | :--- | :--- | | Total Current Assets | $291.3 | $254.9 | | Property, Plant and Equipment – Net | $5,100.2 | $4,840.8 | | Total Assets | $6,435.0 | $6,084.6 | | Total Current Liabilities | $543.4 | $459.6 | | Long-Term Debt | $1,763.2 | $1,593.2 | | Total Liabilities | $3,488.7 | $3,284.4 | | Total ALLETE Equity | $2,413.1 | $2,294.6 | Consolidated Statement of Income Highlights (Millions) | For Year Ended Dec 31, | 2021 | 2020 | 2019 | | :--- | :--- | :--- | :--- | | Total Operating Revenue | $1,419.2 | $1,169.1 | $1,240.5 | | Operating Income | $151.3 | $150.9 | $179.8 | | Net Income Attributable to ALLETE | $169.2 | $174.2 | $185.6 | | Diluted EPS | $3.23 | $3.35 | $3.59 | Notes to Consolidated Financial Statements The notes provide detailed disclosures on ALLETE's accounting policies, business segments, regulatory assets/liabilities, debt, commitments, and pension obligations * Minnesota Power's taconite customers accounted for 32% of Regulated Operations operating revenue and 28% of consolidated operating revenue in 2021329 * As of Dec 31, 2021, the company had regulatory assets of $511.8 million and regulatory liabilities of $544.7 million, reflecting the impact of rate regulation on cost and revenue timing409412 * The company's pension plans were underfunded by $166.0 million as of Dec 31, 2021, an improvement from a $206.3 million underfunding at year-end 2020, while postretirement health and life plans were overfunded by $53.6 million488494