Google has signed the world’s largest corporate clean energy agreement for hydropower, securing up to 3 gigawatts of electricity from two facilities in Pennsylvania as the tech industry ramps up energy demand to fuel artificial intelligence and cloud computing.

The $3 billion deal, struck with Brookfield Asset Management, includes initial 20-year power purchase agreements and forms part of Google’s broader plan to decarbonize its energy supply across the United States.

In addition, Google plans to invest $25 billion over the next two years in new data center infrastructure across Pennsylvania and surrounding states, according to Semafor.

“This collaboration with Brookfield is a significant step forward, ensuring clean energy supply in the PJM region where we operate,” said Amanda Peterson Corio, Google’s head of data center energy.

The two hydropower facilities involved in the agreement will be upgraded and relicensed under the deal, with plans to expand the partnership to other Mid-Atlantic and Midwest regions.

The agreement comes as Big Tech faces surging energy needs, driven by a booming AI sector. U.S. power consumption has hit record highs, ending a near 20-year plateau, largely due to demand from hyperscale data centers.

Google has also signed first-of-their-kind agreements for geothermal and advanced nuclear energy in the past year and is working with the PJM Interconnection, the nation’s largest electricity grid operator, to use artificial intelligence to streamline how new energy sources are integrated into the grid.

Ruth Porat, president and CIO of Alphabet, Google’s parent company, is expected to discuss the deal at an AI summit in Pittsburgh attended by U.S. President Donald Trump. The summit is expected to unveil a total of $70 billion in AI and energy investments.