Skip to main content

Ormat Secures 15 MW PPA With Calpine Energy at Mammoth 2 Geothermal

Ormat Technologies Secures Groundbreaking PPA with Calpine Energy Solutions: Pioneering a New Era in Carbon-Free Energy




What the Agreement Entails

The Voices Behind the Deal
“Now more than ever, it’s critical to have a robust network of strategic partners, like Ormat, that focus on alternative and renewable geothermal supply-side technologies. This ensures our retail clients can access customized, scalable energy strategies aligned with their unique cost, risk, and carbon goals.”
“We are thrilled to collaborate with Calpine Energy Solutions to deliver zero-emission power from Mammoth 2. This PPA represents a significant step forward in our mission to expand geothermal energy capacity while reinforcing Calpine’s commitment to sustainability.”
Why This Deal Matters
A Look at Ormat and Calpine Energy Solutions
The Future of Geothermal Energy

In a landmark deal that underscores the growing demand for sustainable energy solutions, Ormat Technologies Inc., a global leader in geothermal energy, has signed a 10-year Power Purchase Agreement (PPA) with Calpine Energy Solutions. This agreement solidifies Ormat's position as a trailblazer in geothermal innovation while supporting California’s ambitious renewable energy goals.

Under this agreement, Calpine Energy Solutions will procure up to 15 megawatts (MW) of carbon-free geothermal energy from Ormat's Mammoth 2 geothermal power plant in Mammoth Lakes, California. Deliveries are scheduled to begin in the first quarter of 2027, replacing the existing PPA with Southern California Edison.

Ormats Geothermal portfolio stretches globally with some of the wells in exploratory State.

This deal not only increases production capacity but also reflects a higher price point, highlighting the rising value of renewable energy amidst California’s Renewable Portfolio Standards (RPS) compliance and corporate sustainability initiatives.

Sean Fallmer, President of Calpine Energy Solutions, emphasized the importance of partnering with forward-thinking companies like Ormat

Doron Blachar, CEO of Ormat Technologies, shared his excitement:

This agreement exemplifies the tight supply-demand balance for renewable energy in California and beyond. It addresses critical market needs driven by corporate and regulatory demands for clean energy, ensuring reliable, zero-emission power generation.

For Ormat, the PPA is more than just a business transaction. It reflects the company’s unwavering commitment to innovation and sustainability. With a total global generation portfolio of 1,520MW spanning geothermal, solar, and energy storage, Ormat continues to lead the charge in clean energy solutions.

Ormat Technologies: With over 50 years of expertise, Ormat is a vertically integrated powerhouse in geothermal and recovered energy generation (REG). The company is actively expanding into energy storage and solar markets, with operations in the U.S., Kenya, Guatemala, Indonesia, and more.

Calpine Energy Solutions: As one of the largest retail energy providers in the U.S., Calpine focuses on data-driven approaches to energy management. By partnering with Ormat, Calpine reinforces its dedication to providing sustainable, scalable energy solutions to its clients.

Ormat's Mammoth 2 facility is more than just a geothermal plant; it’s a symbol of the future of renewable energy. By harnessing Earth’s natural heat, geothermal energy provides a reliable, clean alternative to traditional fossil fuels, paving the way for a carbon-free future.

This agreement between Ormat and Calpine Energy Solutions is a testament to the potential of geothermal energy to meet today’s sustainability challenges while offering scalable solutions for tomorrow’s energy needs.

For investors, environmentalists, and energy enthusiasts, this partnership marks a pivotal moment in the journey toward a cleaner, greener planet.

Stay tuned as Ormat continues to push the boundaries of what’s possible in renewable energy.

For inquiries or more information, visit Ormat Technologies or Calpine Energy Solutions.

Source:Ormat

Connect with us: Alphaxioms
Labels:

Comments

Post a Comment

Hot Topics

Blowout at Cape Station: Fervo Energy’s First Major Crisis After Blockbuster IPO

Just weeks after a record-breaking IPO, the flagship project of the "geothermal unicorn" faces its first major operational crisis. By : Robert Buluma   Beaver County, Utah – The morning of May 27, 2026, began like any other at the Cape Station construction site in rural Utah. Workers for Fervo Energy, the newly public darling of the renewable energy world, were engaged in the complex task of drilling deep into the Earth’s crust to unlock what the company promised would be the future of 24/7 clean power. But by the afternoon, the routine had turned into a crisis. The site had experienced a blowout—an uncontrolled release of fluid or pressure from a well. For any energy company, a blowout is a serious matter. For Fervo Energy, which had just raised $1.89 billion in a blockbuster Nasdaq debut two weeks prior, it represents an immediate stress test of its technology, its safety protocols, and its $7.7 billion market valuation. While the well has since been contained and no injur...
Post a Comment
Read more

Rodatherm Energy: The Refrigerant Gambit

By: Robert Buluma   Rodatherm Energy has done something no other geothermal startup has attempted at commercial scale: swapped water for refrigerant in a closed-loop system. The claim is 50% higher thermal efficiency than water-based binary cycles, achieved by circulating a proprietary phase-change fluid through a fully cased, pressurized wellbore. The company emerged from stealth in September 2025 with a $38 million Series A—the largest first venture raise in geothermal history. Lead investor Evok Innovations was joined by Toyota Ventures, TDK Ventures, and the Grantham Foundation. The engineering thesis is elegant. The execution risks are significant. This is an Alphaxioms examination of both. II. The Thermodynamic Distinction Every geothermal company you've covered moves heat using water or steam. Rodatherm moves heat using a fluid that boils and condenses inside the wellbore. In a conventional closed-loop water system (Eavor's model), water circulates as a single-phase liq...
Post a Comment
Read more

The Heat Beneath Our Feet: How Canada’s First National Geothermal Roadmap Could Redefine Clean Energy

The Heat Beneath Our Feet: Canada Invests in First National Geothermal Energy Roadmap By: Robert Buluma   Image: The Eavor Wonder,  something amazing 👏  Calgary, Alberta – June 11, 2026 – In a move that signals a significant shift toward diversifying its clean energy portfolio, the Government of Canada has officially invested in its first national roadmap for deep geothermal energy. The announcement, made today by the Honourable Tim Hodgson, Minister of Energy and Natural Resources , marks a pivotal moment for a country better known for its oil sands and hydroelectric dams than for harnessing the heat of the Earth’s crust. With a conditional investment of $468,000 through Natural Resources Canada’s Energy Innovation Program , the government is backing the Canadian Deep Geothermal Roadmap project. Led by the Canadian Deep Geothermal Coalition and supported by the  Cascade Institute as the secretariat, this initiative aims to create a cohesive, evidence-based strate...
Post a Comment
Read more

"Below the Surface: How Baker Hughes is Drilling the 24/7 Clean Energy Solution"

Below the Surface: How Baker Hughes is Drilling the 24/7 Clean Energy Solution By: Robert Buluma   The geothermal era has arrived — and   Baker Hughes is holding the drill. While much of the energy world remains fixated on LNG exports and offshore wind, a quieter revolution is taking place beneath our feet. Baker Hughes (BKR) , the Houston-based energy technology giant, has assembled what may be the most comprehensive geothermal partnership network in the industry — positioning itself as the go-to industrial executor for next-generation geothermal power. In 2026 alone, the company has locked in strategic collaborations spanning three continents, from the deserts of Saudi Arabia to the outback of Australia and the high-heat basins of the American West. The common thread? Baker Hughes is applying a century of oil and gas drilling expertise to unlock geothermal energy at industrial scale — and the data center boom is providing the perfect market catalyst. The Strategy: "G...
Post a Comment
Read more

Mazama Energy Newberry Superhot Geothermal Breakthrough Reshapes Clean Energy

Mazama Energy’s Superhot Rock Vision Redefines Global Geothermal Power By Robert Buluma   The geothermal industry is entering a new era, and one company is pushing the boundaries of what was once considered technically impossible. Mazama Energy has ignited global attention after revealing extraordinary progress at its Newberry geothermal site in central Oregon, where it reportedly achieved temperatures of 331°C in an enhanced geothermal system environment. For an industry accustomed to operating within the 150°C to 300°C range, this milestone is more than impressive — it signals the possible beginning of a technological transformation capable of reshaping the future of clean baseload power. For decades, geothermal energy has quietly remained one of the most reliable renewable energy resources on Earth. Unlike solar and wind, geothermal power does not depend on weather conditions, sunlight, or seasonal variability. It delivers continuous electricity twenty-four hours a day, seven ...
Post a Comment
Read more

The Retrofit Revolution: How GreenFire Energy Is Turning Abandoned Oil & Geothermal Wells Into Continuous Clean Power Without New Drilling

The Retrofit Revolution: How GreenFire Energy Is Unlocking Geothermal Power Without Drilling a Single New Well By: Robert Buluma   While much of the geothermal energy sector has been focused on breakthrough drilling techniques—deeper wells, hotter reservoirs, and complex engineered systems—a quieter revolution has been unfolding in the background. Instead of chasing entirely new subsurface frontiers, one company has chosen a radically simpler question: What if the answer was already in the ground? GreenFire Energy is advancing a retrofit-first geothermal strategy that targets one of the most overlooked opportunities in the global energy transition: existing wells that are underperforming, depleted, or completely abandoned. Rather than drilling new holes into the Earth, the company is reusing the infrastructure that already exists—turning stranded assets into continuous sources of clean, baseload electricity. This approach is not just technically elegant. It may also be one of ...
Post a Comment
Read more

The XGS Energy Heat Sponge Solves Geothermal's Biggest Problem

The XGS Energy Heat Sponge Solves Geothermal's Biggest Problem I mage: A californian XGS well pad Imagine drilling a hole into the Earth’s hot crust  but instead of simply dropping in a pipe and hoping for the best, you paint the inside of that hole with a magic material that soaks up heat like a sponge soaks up water. Then you seal it, circulate a fluid, and generate clean, firm electricity  24/7, no fracking, no water consumption, no earthquakes. That’s not science fiction. That’s XGS Energy . While most of the geothermal world has been chasing fracked reservoirs or massive drilling rigs, XGS quietly built a prototype, ran it for over 3,000 hours in one of the harshest geothermal environments on Earth, and landed a 150 MW deal with Meta – enough to power tens of thousands of homes or a massive data center campus. This is the story of a technology that might be the most elegant, low-risk, and capital-efficient path to scalable geothermal power. Let’s dig in. Part 1: The Pro...
Post a Comment
Read more

Sage Geosystems: Turning Underground Pressure Into 24/7 Power

Sage Geosystems : The Geothermal Startup That Turns Pressure Into Power By: Robert Buluma Most conversations about advanced geothermal circle around the same question: How do you extract heat from dry rock? Sage Geosystems started with a different question: What if the Earth could do most of the work for you? Based in Houston, Sage has quietly built a technology stack that treats the subsurface not just as a heat source, but as a pressure vessel. Their system captures heat and mechanical energy, stores energy underground like a battery, and uses a fraction of the surface pumping that conventional geothermal requires. This article focuses entirely on Sage , how their technology works, what makes it genuinely different, and where the blind spots still are. Part I: The Core Innovation , Pressure Geothermal Sage's foundational insight is simple but powerful: deep hot rock isn't just hot. It's also under immense natural pressure. Traditional geothermal systems ignore that pre...
Post a Comment
Read more

Project Obsidian: Unlocking Superhot Geothermal Power from Deep Earth

Quaise Energy and the Dawn of Superhot Geothermal Power in Oregon By: Robert Buluma Inside Project Obsidian and the Future of Deep Earth Energy The global energy transition has long been defined by solar panels on rooftops, wind turbines across plains, and batteries reshaping grids. Yet beneath all these familiar technologies, another contender is quietly emerging—one that does not depend on weather, daylight, or even surface conditions at all. It comes from deep within the Earth itself, from rock so hot it behaves almost like a molten energy reservoir. That is the frontier where Quaise Energy is now operating. In Oregon, the company is developing what could become the world’s first superhot geothermal power plant under its ambitious initiative known as Project Obsidian . If successful, it could mark a fundamental shift in how humanity produces clean, continuous electricity—moving from shallow geothermal pockets to tapping heat sources several kilometers beneath the Earth’s surfac...
Post a Comment
Read more

Supercritical Geothermal Energy Explained: The $60 Billion Future Power Source

Supercritical Geothermal Energy Explained: The $60 Billion Future Power Source By : Robert Buluma Beneath our feet lies a virtually unlimited source of clean, always-on power. Yet conventional geothermal energy—even with major recent advancements—barely scratches the surface, currently accounting for only about 1% of global electricity demand. The game-changing potential lies far deeper, where water reaches a mysterious fourth state known as supercritical. This is the frontier of supercritical geothermal energy, a technology poised to reshape the global energy landscape and attract multi-billion-dollar investments. What Is Supercritical Geothermal Energy? Water in its familiar liquid, solid (ice), or gaseous (steam) states is just the beginning. When pressure and temperature exceed specific thresholds—approximately 22.1 MPa (over 200 times atmospheric pressure) and 374°C for pure water—the distinction between liquid and gas vanishes. This is the supercritical phase: a single, dense, hi...
Post a Comment
Read more