The corporate renewable energy market is entering a new phase defined by scale, speed, and complexity. What began as a way for companies to offset electricity use has evolved into something far more strategic: designing integrated energy systems capable of powering hyperscale digital infrastructure.

Artificial intelligence, cloud computing, and data centers are driving a surge in electricity demand that is reshaping how companies procure clean power. In response, corporate power purchase agreements (cPPAs) are moving beyond single-project contracts toward large, hybrid energy portfolios capable of delivering reliable, round-the-clock power.

ENGIE sits at the center of this transformation. We ranked as the world’s leading supplier of renewable corporate PPAs in 2025 and cumulatively since 2011, signing 3.6 gigawatts of cPPAs globally in 2025 alone. The United States is a key market, accounting for roughly half of that volume, with technology companies and data center operators driving about 80 percent of ENGIE’s U.S. corporate PPAs.

As hyperscale computing expands, contract size and structure are evolving. Agreements are becoming larger and more complex — often extending around 15 years — and the market is shifting from renewable procurement to energy system design.

Early cPPAs were typically tied to a single solar or wind project designed to offset annual electricity use. Today’s buyers require integrated portfolios that combine multiple technologies, locations, and contract structures to support continuous, large-scale demand. Increasingly, companies are securing multi-gigawatt portfolios across multiple projects to scale supply quickly and align with future growth.

At the same time, corporate buyers are adopting more sophisticated approaches to managing risk. Single-asset PPAs can expose companies to curtailment, negative pricing, and regional basis risk. In response, hybrid solutions — such as solar paired with storage or wind-solar combinations — are gaining traction, offering more stable and predictable energy profiles.

This shift also reflects a move toward more granular energy accounting. Many companies are moving beyond annual energy matching and instead aligning electricity use with generation on an hourly or seasonal basis. That increases the importance of diversified portfolios that can deliver power across different times of day and seasons, and is accelerating demand for resources capable of providing near‑24/7 coverage.

Data center procurement stands apart in both scale and sophistication. Large technology companies often engage directly with developers on permitting, interconnection, and regulatory challenges, resulting in more complex, tailored agreements designed to support major infrastructure investments.

The buyer landscape is also expanding. Rising electricity prices are leading some companies to contract with existing projects, while smaller buyers are entering the market through aggregated procurement structures that combine demand to reach scale.

For developers, these trends increase both opportunity and complexity. Success increasingly requires expertise in project development, financing, and risk management, along with the ability to deliver integrated solutions that combine generation, storage, and structured energy products.

Looking ahead, the market is likely to shift toward fewer but significantly larger transactions as electricity demand from AI and digital infrastructure accelerates. Co-location of renewable generation with data centers is also expected to grow, helping address transmission constraints and improve efficiency.

ENGIE’s global leadership in corporate PPAs positions it to help customers navigate this transition. By integrating renewable generation, storage, and structured energy solutions, ENGIE is enabling companies to build the energy systems needed to power the next generation of digital infrastructure

For years, energy storage was framed as a promising but secondary technology that would eventually help enable a cleaner, more flexible grid. That framing is now obsolete. The latest data from both grid operators and industry reports makes one thing clear: energy storage is no longer emerging. It’s essential infrastructure.

In 2025, U.S. energy storage hit a record 18.9 gigawatts of battery energy storage system installations, a 52% increase over 2024. Batteries also have played a major role in new generation coming online in markets like Texas. That level of deployment is not incremental; it marks a structural shift. Storage is no longer an accessory to the grid. It’s become one of its core components.

This shift reflects a deeper transformation in how the grid itself operates. Reliability is no longer defined solely by large, always-on resources. Instead, it’s increasingly about flexibility, or how quickly and precisely the system can respond to changing conditions. Batteries excel in this role. They can ramp up instantly, absorb excess generation, and discharge during peak demand, helping stabilize a system that is becoming more dynamic by the year.

That transformation is being driven in large part by accelerating electricity demand. After years of relatively flat growth, power consumption is rising again, fueled by data centers, electrification, and domestic manufacturing.

In markets like ERCOT, demand has been growing at roughly 5 percent annually. Meeting that growth reliably requires more than just adding generation. It requires resources that can manage volatility in real time. Storage is increasingly serving as that shock absorber.

In ERCOT, of the roughly 62,000 MW of new generation that came online between 2021 and 2025, about 16,000 MW came from battery energy storage, making storage the second largest contributor in added generation behind solar. This underscores how storage is now central to ERCOT’s supply portfolio.

At the same time, storage is reshaping how renewable energy is deployed. The rapid rise of hybrid solar-plus-storage projects signals a new default for project development. Pairing these technologies improves economics, increases capacity value, and allows renewable energy to be delivered when it is actually needed, not just when it is generated. What was once considered a workaround is now a design principle.

Even so, the rise of storage doesn’t eliminate the need for other forms of generation. In fact, battery systems are explicitly designed to support and enhance all forms of power generation. They are exceptionally effective at managing short-term fluctuations and peak demand, enabling dispatchable resources to run more consistently during prolonged periods of high load or system stress.

The resilience of storage growth is also striking given broader market uncertainty. While clean energy procurement slowed in parts of 2025 due to policy and trade headwinds, storage deployment continued to accelerate, with a particularly strong surge in the fourth quarter. That divergence suggests something important: storage is no longer a discretionary investment. It’s becoming a necessity for grid operators, utilities, and large energy users alike.

And while early growth was concentrated in a handful of states, the market is now expanding. New storage projects are coming online across more than a dozen states, reflecting a broader recognition of its value. This is no longer a regional story; it’s increasingly a national one.

Looking ahead, the trajectory is clear. With tens of gigawatts in development and forecasts projecting massive growth through the end of the decade, energy storage is not just scaling — it’s accelerating.

The question is no longer whether storage will play a central role in the grid. It already does. The focus now shifts to how we integrate, scale, and optimize it as a foundational part of the system.

ENGIE North America (ENGIE) announced it has entered into an agreement with Prometheus Hyperscale (“Prometheus”), a leading sustainable hyperscale data center developer. Together, they will co-locate data centers at select renewable and battery storage energy facilities along the Texas I-35 corridor.

Under the exclusive agreement, Prometheus will deploy its high-efficiency, liquid-cooled data center infrastructure alongside ENGIE’s renewable and battery storage assets. The first sites equipped with high-performance, AI-ready data center compute capacity are expected to go live in 2026, with more locations planned from 2027 onward.

This alliance brings together ENGIE’s deep expertise in renewables, batteries, and energy management and Prometheus’ highly efficient liquid-cooled data center design to meet the growing demand for reliable, sustainable compute capacity — particularly for AI and other high-performance workloads.

“ENGIE is focused on delivering solutions to meet the growing demand for power across the U.S., with a strategic focus on enabling data center expansion. By leveraging our robust portfolio of wind, solar, and battery storage assets — combined with our commercial and industrial supply capabilities and deep trading expertise — we’re providing integrated energy solutions that support scalable, resilient, and sustainable infrastructure,” said David Carroll, Chief Renewables Officer and SVP, ENGIE North America. “Our collaboration with Prometheus demonstrates our shared approach to finding innovative approaches to developing, building and operating projects that solve real world challenges.”

“Prometheus is committed to developing sustainable, next generation digital infrastructure for AI,” said Bernard Looney, Chairman of Prometheus Hyperscale and former CEO of bp. “We cannot do this alone – ENGIE’s existing assets and expertise as a major player in the global energy transition make them a perfect partner as we work to build data centers that meet market needs today and tomorrow.”

To meet those needs quickly, Prometheus will work with Conduit, an on-site power generation provider, for near-term bridging and back-up solutions. The alliance will also enable tenants to offset project-related carbon emissions through established market-based mechanisms.


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About ENGIE North America
Based in Houston, Texas, ENGIE North America Inc. is a regional hub of ENGIE, a major player in the energy transition, whose purpose is to accelerate the transition towards a carbon-neutral economy. With 98,000 employees in 30 countries, the Group covers the entire energy value chain, from production to infrastructures and sales. ENGIE combines complementary activities: renewable electricity and green gas production, flexibility assets (notably batteries), gas and electricity transmission and distribution networks, local energy infrastructures (heating and cooling networks) and the supply of energy to local authorities and businesses. Every year, ENGIE invests more than $10 billion to drive forward the energy transition and achieve its net zero carbon goal by 2045. ENGIE (ENGI), is listed on the Paris and Brussels Stock Exchanges. For more information on ENGIE in North America, please visit our website at www.engie-na.com or our LinkedIn page at www.linkedin.com/company/engie-north-america-inc.

About Prometheus Hyperscale
Prometheus Hyperscale puts energy first in powering the age of intelligence. By harnessing cleaner energy, Prometheus is building next-generation, liquid-cooled hyperscale data centers to deliver sustainable, efficient, and scalable infrastructure for AI and the digital economy. Led by seasoned energy executives and deeply experienced data center developers, Prometheus uses proprietary geothermal technology that enables zero water use, setting a new standard for sustainable infrastructure. Prometheus is redefining how data centers are built—driving innovation, sustainability, and speed to unlock a cleaner, smarter future. To learn more, visit PrometheusHyperscale.com or our LinkedIn page at https://www.linkedin.com/company/prometheus-hyperscale.


Media Contacts

ENGIE North America
Michael Clingan, External Relations
Michael.clingan@external.engie.com
(832) 745-6057

Prometheus Hyperscale
Abby Pick
Abby.pick@prometheushyperscale.com