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8.03.26
Wilson Sonsini Advises Base Power on $1 Billion Series D
On August 3, 2026, Base Power, a battery-powered home energy company based in Austin, Texas, announced it has raised $1 billion in a Series D financing at a $13 billion post-money valuation. The round was led by Ribbit, Addition, Valor Equity Partners, and JPMorganChase's Strategic Investment Group. Wilson Sonsini Goodrich & Rosati advised Base Power on the transaction.
Client Highlights
7.30.26
Firm Advises Lead Investor G2 Venture Partners and Eclipse on Antora Energy’s $500 Million Series C
On July 30, 2026, Antora Energy, a leading U.S. energy storage company, announced its closing on $550 million in Series C funding co-led by G2 Venture Partners and Eclipse, with participation from existing and new investors. Wilson Sonsini Goodrich & Rosati advised G2 Venture Partners and Eclipse on the transaction.
Client Highlights
7.21.26
Firm Advises ON.energy on Partnership with Crusoe
On July 21, 2026, Crusoe, the artificial intelligence (AI) factory company, and ON.energy, a company dedicated to building energy and AI infrastructure, announced a partnership to deploy 5 gigawatts of AI UPS™ technology across multiple hyperscale campuses. Commissioning will commence in 2026 and extend into 2027. Wilson Sonsini Goodrich & Rosati advised ON.energy on the transaction.
News Articles
6.26.26
Wilson Sonsini Attorneys Named to 2026 Lawdragon 500 Leading Energy Lawyers Guide
On June 26, 2026, Lawdragon released the newest edition of its Lawdragon 500 Leading Energy Lawyers guide, recognizing attorneys in the oil and gas sector, experts in infrastructure and project development, energy litigators, and dealmakers who are reinvigorating their focus on traditional energy, among others. Wilson Sonsini partners Matthew Bogdan, Matthew Christiansen, Nic Gladd, and Jason Slagle were listed in this year’s guide.
News Articles
6.22.26
Bloomberg Law Quotes Matt Christiansen on Rising Energy Demands and FERC Jurisdiction
The Federal Energy Regulatory Commission (FERC) and PJM Interconnection LLC, a regional transmission organization regulated by the FERC, are facing a host of issues related to rising energy demand driven by the interconnection of new data centers to the power grid. Wilson Sonsini attorney and former FERC general counsel Matt Christiansen was quoted in Bloomberg Law's recent article "PJM Tackling Data Center Demand Requires Federal, State Juggling," analyzing the jurisdictional challenges posed by these proceedings involving FERC and PJM.
Client Highlights
6.17.26
Wilson Sonsini Advises Energy Dome on Collaboration Agreement with Salt River Project
On June 15, 2026, Energy Dome, a leading provider of innovative capacity solutions for utilities and AI infrastructure, and Salt River Project (SRP), a not-for-profit public power utility serving the greater Phoenix metropolitan area, announced an agreement to add a 19-megawatt, 10-hour carbon dioxide-based battery system to the grid. The project is part of Google and SRP’s innovative collaboration to accelerate deployment of non-lithium-ion long-duration energy storage technologies that support reliability, affordability, and sustainability. Wilson Sonsini Goodrich & Rosati advised Energy Dome on the transaction.
Client Highlights
5.27.26
Wilson Sonsini Advises Thea Energy on $100 Million Series B
On May 27, 2026, Thea Energy, a technology company advancing the stellarator for the commercialization of an abundant source of baseload fusion power, announced it has raised $100 million in Series B funding that draws support from Thomas Tull’s US Innovative Technology Fund (USIT), General Innovation Capital Partners (GICP), Linse Capital, Calm Ventures, Climate Capital, Divergent Capital, Emerald Technology Ventures, Gaingels, Idemitsu Kosan, Overlay Capital, Timescale Ventures, and Whatif Ventures. Wilson Sonsini Goodrich & Rosati advised Thea Energy on the transaction.
Press Releases
5.05.26
Wilson Sonsini Adds Project Finance Leader Ken Sanocki to Expand Energy and Climate Solutions Practice
SAN FRANCISCO, CA (May 5, 2026)—Wilson Sonsini Goodrich & Rosati, the premier provider of legal services to technology, life sciences, and growth enterprises worldwide, today announced that Ken Sanocki has joined the firm as a partner in its Energy and Climate Solutions (ECS) practice in San Francisco. His addition enhances the firm’s ability to advise clients across the full lifecycle of energy infrastructure financing—from early-stage development through complex capital markets transactions.
Client Highlights
4.20.26
Wilson Sonsini Advises Energy Peace Partners in Co-Management of P-REC Aggregation Facility
On March 25, 2026, African Development Bank Group and Nordic Development Fund announced the commitment of $11.3 million to pilot the Peace Renewable Energy Certificate (P-REC) Aggregation Facility, a pioneering initiative that will, for the first time, deploy renewable energy certificates as a direct funding instrument for a portfolio of mini-grids across Africa. The facility will be co-managed by Camco Clean Energy, a climate and impact fund manager, and Energy Peace Partners (EPP), a coalition that leverages climate finance solutions. Wilson Sonsini Goodrich & Rosati served as pro bono legal counsel to EPP on the transaction.
Client Highlights
4.17.26
Wilson Sonsini Advises Zanskar on Close of $40 Million in Novel Development Capital Financing
On April 16, 2026, Zanskar, the first AI-native geothermal energy company, announced the closing of $40 million in a Development Capital Facility. Wilson Sonsini Goodrich & Rosati advised Zanskar on the transaction, which is among the first ever structured for early-stage geothermal development. The financing was co-led by Just Climate and Spring Lane Capital, with additional capital committed by Tierra Adentro Growth Capital.
The Development Capital Facility draws on best practices from the renewables and natural resource sectors, establishing a revolving development credit facility designed to accelerate project development across Zanskar’s growing portfolio. The non-recourse facility covers key pre-construction activities, bridging projects to traditional bank project financing, and is structured to upsize to $100 million as Zanskar’s portfolio scales.
The financing transaction strengthens Zanskar’s ability to commercialize its pipeline of naturally occurring geothermal systems and sets a scalable financing precedent for greenfield geothermal as a recognized asset class across the United States.
The Wilson Sonsini team that advised Zanskar on the transaction included Scott Zimmermann, Jason Slagle, Nicole Gambino, Bob O’Connor, Jordana Palgon, and Jenae Sharp.
The Development Capital Facility draws on best practices from the renewables and natural resource sectors, establishing a revolving development credit facility designed to accelerate project development across Zanskar’s growing portfolio. The non-recourse facility covers key pre-construction activities, bridging projects to traditional bank project financing, and is structured to upsize to $100 million as Zanskar’s portfolio scales.
The financing transaction strengthens Zanskar’s ability to commercialize its pipeline of naturally occurring geothermal systems and sets a scalable financing precedent for greenfield geothermal as a recognized asset class across the United States.
The Wilson Sonsini team that advised Zanskar on the transaction included Scott Zimmermann, Jason Slagle, Nicole Gambino, Bob O’Connor, Jordana Palgon, and Jenae Sharp.
Client Highlights
3.02.26
Wilson Sonsini Advises Sense on Strategic Investment from Analog Devices
On January 27, 2026, Sense, a leader in grid edge intelligence, announced it has received a strategic investment from Analog Devices, Inc. (ADI), a global semiconductor leader that bridges the physical and digital worlds to enable breakthroughs at the Intelligent Edge. This new investment enables further development of grid edge intelligence and management solutions for grid operators. Together, the companies will work with smart meter developers and others in the energy industry to accelerate the adoption of high-performance data and computation capabilities to enable a smarter grid. Wilson Sonsini Goodrich & Rosati advised Sense on the transaction.
Client Highlights
2.18.26
Wilson Sonsini Advises Heron Power on $140 Million Series B
On February 18, 2026, Heron Power, an energy infrastructure company, announced the closing of $140 million in Series B financing co-led by Andreessen Horowitz’s (a16z) American Dynamism Fund and Breakthrough Energy Ventures, with participation from existing investors Capricorn Investment Group, Energy Impact Partners, Valor Atreides AI Fund, and Gigascale Capital. Wilson Sonsini Goodrich & Rosati advised Heron Power on the transaction.