CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 5, 2026 Energy Vault Holdings, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39982 85-3230987 (State or other jurisdiction of incorporation) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communicati ...

WESTLAKE VILLAGE, Calif.--(BUSINESS WIRE)---- $NRGV--Energy Vault Holdings, Inc. (NYSE: NRGV) ("Energy Vault"), a leader in sustainable, grid-scale energy storage solutions, today announced the start of construction of the SOSA Energy Center, a 150 MW/300 MWh battery energy storage system (BESS) located in Madison County, Texas. The project, originally developed by Savion, a subsidiary of Shell plc, was formally acquired by Energy Vault in Q4 2025 under its Asset Vault platform, and is expected to achiev. ...

Core Insights - Energy Vault Holdings, Inc. (NYSE:NRGV) has experienced a significant share price increase of 15.49% from December 5 to December 12, 2025, marking it as one of the top-performing energy stocks during that week [1] - The company has officially entered the Swiss market with the launch of its FlexGrid configuration of the B-VAULT battery energy storage system, aimed at commercial, industrial, and small utility-scale clients [2][3] - Energy Vault has signed agreements with Schindler Group and Energie Wettingen AG for projects utilizing its technology, which will operate under CKW's Flexpool, a leading flexibility network in Switzerland [3][4] Company Developments - The B-VAULT FlexGrid is designed to be compact, modular, and easy to install, catering to the evolving energy landscape in Europe [4] - Energy Vault's global B-VAULT portfolio has surpassed 2 GWh of deployed or contracted systems across various continents [4] - The company reported a 112% year-over-year increase in its revenue backlog for the first nine months of 2025, reaching $920 million [4] Market Performance - Since the beginning of 2025, Energy Vault Holdings has seen an impressive gain of nearly 114% [5]

Core Insights - Energy Vault Holdings, Inc. (NYSE:NRGV) has experienced a significant share price increase of 23.84% from November 28 to December 5, 2025, marking it as one of the top-performing energy stocks during that week [1] - The company has officially entered the Swiss market with the launch of its FlexGrid configuration of the B-VAULT battery energy storage system, aimed at commercial and industrial clients [2][3] Company Developments - On December 4, 2025, Energy Vault announced its entry into the Swiss market, signing agreements with Schindler Group and Energie Wettingen AG for the B-VAULT FlexGrid system, which operates under CKW Group's Flexpool [3] - The B-VAULT portfolio has surpassed 2 GWh of deployed or contracted systems across Europe, North America, and Asia, indicating robust global expansion [3] Product Features - The B-VAULT FlexGrid is described as a compact, modular, and easy-to-install energy storage platform that is regulation-ready, tailored for the evolving energy landscape in Europe [4] - The projects with Schindler and Wettingen demonstrate the company's capability to serve both industrial customers and municipal utilities, adapting to various site conditions [4] Market Performance - Since the beginning of 2025, Energy Vault Holdings has seen its stock price rise by over 85%, reflecting strong market performance and investor interest [4]

Core Insights - Energy Vault Holdings, Inc. has officially entered the Swiss market with the launch of its FlexGrid product, aimed at commercial and industrial customers [1] Product Launch - FlexGrid is based on a new configuration of the B-VAULT battery energy storage system (BESS) platform [1] - The product is engineered for applications ranging from 2 to 25 MW, targeting industrial, commercial, and small-utility sectors [1]

Market Overview - U.S. stocks showed mixed performance with the Dow Jones index increasing by 0.64% to 47,673.48, while the NASDAQ decreased by 0.79% to 23,340.59 and the S&P 500 fell by 0.23% to 6,817.03 [1] - Energy shares experienced a rise of 1.2%, while information technology stocks saw a decline of 0.9% [1] Company Performance - RealReal Inc (NASDAQ:REAL) shares surged after reporting better-than-expected third-quarter results and providing fourth-quarter sales guidance above estimates, along with an increase in FY25 sales guidance [2] - enGene Holdings Inc (NASDAQ:ENGN) shares increased by 72% to $10.34 following positive Phase 2 LEGEND study data showing a 63% complete response rate [9] - Energy Vault Holdings Inc (NYSE:NRGV) shares rose by 30% to $4.62 after releasing third-quarter results [9] - Surmodics Inc (NASDAQ:SRDX) shares gained 49% to $40.80 after a court denied the FTC's attempt to block GTCR's acquisition [9] - Vor Biopharma Inc (NASDAQ:VOR) shares dropped by 50% to $9.32 due to the announcement of a $100 million public offering [9] - Salarius Pharmaceuticals Inc (NASDAQ:SLRX) shares fell by 50% to $1.00 after announcing a $7 million underwritten public offering [9] - Outset Medical Inc (NASDAQ:OM) shares decreased by 50% to $6.07 following worse-than-expected third-quarter results and a cut in FY25 sales guidance [9] Commodity Market - Oil prices increased by 1.5% to $61.00, while gold rose by 0.3% to $4,134.70 [5] - Silver traded up by 0.8% to $50.730, whereas copper fell by 0.4% to $5.0845 [5] European Market - European shares showed positive movement with the eurozone's STOXX 600 rising by 1.05%, Spain's IBEX 35 Index gaining 1.05%, and London's FTSE 100 increasing by 0.94% [6] Asian Market - Asian markets closed mixed, with Japan's Nikkei 225 down by 0.14%, Hong Kong's Hang Seng up by 0.18%, China's Shanghai Composite down by 0.39%, and India's BSE Sensex up by 0.40% [7]

Core Insights - Energy Vault (NRGV) specializes in developing and deploying energy storage solutions, utilizing a diverse portfolio of technologies including short-term lithium-ion batteries (B-Vault), long-term gravitational systems (G-Vault), hybrid hydrogen storage (H-Vault), and software for optimization (VaultOS) [1] Group 1: Company Overview - Energy Vault's product offerings include various energy storage technologies aimed at addressing different storage timeframes and optimization needs [1] Group 2: Investment Strategy - The company operates in a sector that is increasingly focused on energy storage solutions, which are critical for the transition to renewable energy sources [1]

Financial Data and Key Metrics Changes - Q3 2025 revenue reached $33.3 million, a 27-fold increase year-over-year compared to $1.2 million in Q3 2024, driven by strong execution on projects in Australia and initial contributions from the Asset Vault assets [17] - GAAP gross profit for Q3 2025 was $9 million, improving nearly 18 times from the prior year, resulting in a gross margin of 27% for the quarter and 32.6% year-to-date [17] - Adjusted EBITDA loss narrowed to $6 million in Q3 2025 from a loss of $14.7 million in the prior year, reflecting higher revenue and gross profit [18] Business Line Data and Key Metrics Changes - The company has built, commissioned, and is now operating two initial projects in Texas and California, contributing to the revenue for the first time in Q3 [4] - The contract backlog remains near $1 billion, more than doubling this year and about four times what it was from the same time last year [12] - The company expects to deliver approximately $150 million in revenue in Q4 2025, driven by ongoing projects in Australia and the U.S. [12] Market Data and Key Metrics Changes - The total developed pipeline for advanced projects is around $2.1 billion, or roughly 8.7 gigawatt-hours [20] - The company anticipates receiving $40 million in investment tax credit proceeds in Q4 2025, contributing to an expected cash balance of $75 million to $100 million by year-end [18][21] Company Strategy and Development Direction - The launch of the Asset Vault platform marks a significant strategic move, focusing on developing, owning, and operating energy storage assets [4][22] - The company aims to accelerate deployment of 1.5 gigawatts in attractive priority markets, with a clear monetization strategy supported by long-term offtake agreements [22][23] - Energy Vault is positioned to generate predictable, recurring, and high-margin cash flows through the vertically integrated ecosystem created by the Asset Vault [22] Management's Comments on Operating Environment and Future Outlook - Management acknowledges the volatile operating environment, including tariff impacts and macroeconomic uncertainties, but remains confident in maintaining guidance due to ongoing project deliveries [35] - The company is experiencing a target-rich environment for asset acquisition, indicating strong opportunities despite market challenges [35] - Management emphasizes the importance of agility and operational expertise in navigating market fluctuations and maintaining a diverse project portfolio [36] Other Important Information - Energy Vault has improved its ESG scores, placing in the top 98% of all companies reviewed by S&P Global, and maintaining its leadership in the energy storage segment [15] - The company has completed a $300 million preferred equity agreement to fund the Asset Vault, which is expected to significantly enhance cash flow and project financing capabilities [18][22] Q&A Session Summary Question: R&D expense decline and future capitalization - Management noted that the decline in R&D expenses reflects cost-tightening measures and a shift in focus towards activities related to Asset Vault [30][31] Question: Customer acquisition pace amid macro uncertainty - Management indicated that while there have been delays due to market volatility, they are holding their guidance and seeing a rich environment for asset opportunities [34][35] Question: Backlog inclusion of recently announced projects - The current backlog does not include the recently announced projects in Albania, but these will be added to both the backlog and Asset Vault once finalized [40][45] Question: Increase in development pipeline - The increase in the development pipeline reflects stage four or five opportunities that have been shortlisted or awarded, with specific projects not disclosed [46]

Financial Performance - Q3 2025 revenue reached $33.3 million, a significant increase of approximately 27 times year-over-year[10, 12, 13] - Gross margin for Q3 2025 was 270%, compared to 403% in Q3 2024[10, 12, 13] - Adjusted EBITDA improved by 59% year-over-year, resulting in a loss of $60 million in Q3 2025 compared to a loss of $147 million in Q3 2024[10, 12, 13] - Total cash and cash equivalents increased by approximately 7% quarter-over-quarter to $619 million as of September 30, 2025[10, 12, 13] Commercial Pipeline and Backlog - The company's backlog as of September 30th reached $920 million, an increase of 112% year-to-date[10, 15] - The developed pipeline is valued at $21 billion[15] - Executed projects have generated $583 million in revenue since the company's IPO[15] Guidance and Strategy - The company reiterated its 2025 revenue guidance of $200 million to $250 million[17, 18] - The company anticipates a gross margin of 14-16% for the full year 2025[17, 18] - The company projects an ending cash balance of $75 million to $100 million for the full year 2025[17, 18]

Tariffs and Regulatory Environment - Energy Vault's B-Vault products are subject to a cumulative U.S. import tariff burden of approximately 155.9% due to recent tariffs on imports from China[230]. - The company faces significant risks from potential reinstatement of tariffs and ongoing legal challenges regarding tariff authority[232]. - The OBBBA enacted in July 2025 includes changes to federal income tax laws that could affect demand for battery energy storage systems[239]. - The Inflation Reduction Act (IRA) introduced tax incentives for standalone energy storage projects, enhancing market opportunities[238]. - The company is exploring alternative sourcing options to mitigate the impact of tariffs, as importing B-Vault products from non-Chinese suppliers has not been economically viable[235]. Business Development and Acquisitions - The company entered into a license and royalty agreement with an Indian infrastructure development company, expected to generate long-term recurring royalty revenue streams[253]. - The acquisition of Stoney Creek for approximately $2.9 million expands the company's portfolio with project rights to a 125 MW/1,000 MWh BESS in Australia[256]. - The company acquired 100% of SOSA, which has the rights to build a 150 MW/300 MWh BESS project in Texas, marking the first project acquired under the Asset Vault platform[260]. - Energy Vault established a joint venture with OIC, contributing 1.2 billion common units of Asset Vault in exchange for 300 million Series A preferred units and an initial cash contribution of $35 million, with potential further contributions up to $300 million[258]. Financial Performance - Revenue for the three months ended September 30, 2025 was $33.3 million, an increase of $32.1 million from $1.2 million for the same period in 2024, driven by a $30.9 million increase in energy storage product sales[291]. - Revenue for the nine months ended September 30, 2025 was $50.4 million, an increase of $37.6 million from $12.7 million in the same period in 2024, reflecting a $32.9 million increase in energy storage product sales[292]. - The company reported new bookings of $286.4 million for the three months ended September 30, 2025, compared to zero in the same period of 2024, and net bookings of $538.1 million for the nine months ended September 30, 2025, compared to $182.8 million in 2024[265]. - The backlog increased to $919.7 million as of September 30, 2025, from $433.9 million at the end of 2024, representing a significant growth in contracted but unrecognized revenue[265]. - The developed pipeline as of September 30, 2025, was valued at $2.1 billion, with a total of 8,712 MWh, compared to $2.1 billion and 9,194 MWh as of December 31, 2024[265]. Cost and Profitability - Cost of revenue includes product costs, materials, and subcontractor expenses, which are influenced by the prices of equipment and materials such as batteries and inverters[278]. - The company reported a gross profit margin that may vary due to the timing of equipment transfers and project stages, affecting overall profitability[280]. - Gross profit for the three months ended September 30, 2025 was $9.0 million, an increase of $8.5 million from $0.5 million for the same period in 2024[296]. - Gross profit margin decreased to 27.0% for the three months ended September 30, 2025 from 40.3% in the same period in 2024, primarily due to a shift to lower-margin energy storage product sales[298]. Operating Expenses - Sales and marketing expenses for the three months ended September 30, 2025 were $3.2 million, a decrease of $1.1 million from $4.3 million for the same period in 2024[300]. - Research and development expenses for the three months ended September 30, 2025 were $3.4 million, a decrease of $2.3 million from $5.7 million for the same period in 2024[302]. - General and administrative expenses for the three months ended September 30, 2025 were $19.8 million, an increase of $4.4 million from $15.4 million for the same period in 2024[305]. - Interest expense for the three months ended September 30, 2025 was $2.8 million, an increase of $2.7 million from $43 thousand for the same period in 2024[310]. Cash Flow and Financing - Cash provided by operating activities for the nine months ended September 30, 2025, was $0.9 million, a significant improvement compared to cash used of $21.0 million for the same period in 2024[361]. - Cash used in investing activities was $32.8 million for the nine months ended September 30, 2025, compared to $48.1 million for the same period in 2024[364]. - Cash provided by financing activities was $63.4 million for the nine months ended September 30, 2025, compared to $0.6 million for the same period in 2024[366]. - The company reported a $117.2 million inflow from debt financings during the nine months ended September 30, 2025[367]. - The Company raised $6.8 million from the sale of common stock under the Hudson Equity Purchase Agreement during the nine months ended September 30, 2025[326]. Losses and Future Outlook - The company experienced a net loss of $82.9 million for the nine months ended September 30, 2025, adjusted for $46.3 million in non-cash charges[362]. - The Company has incurred negative operating cash flows and operating losses historically and may continue to do so in the future[319]. - The company expects to remain an emerging growth company through the end of 2026, which may affect comparability with other public companies[378]. Commodity Price Risk - The company is exposed to commodity price risk, particularly for materials like cement, steel, aluminum, and lithium, which could impact operating margins[387].