Google Secures Massive Hydroelectric Power deal with Brookfield to Fuel Data Center Growth
On July 15, 2025, Google, a division of Alphabet, unveiled a landmark power purchase agreement (PPA) with Brookfield Renewable Partners. This strategic collaboration aims to power the company’s expanding network of data centers with clean, hydroelectric energy, bolstering its commitment to sustainability.The agreement encompasses up to 3 gigawatts (GW) of installed capacity, representing an estimated investment of $3 billion over a 20-year term. This deal marks the largest hydroelectric PPA ever finalized between a technology firm and an energy producer, signaling a significant shift in how cloud providers secure their energy needs. Recent data from the U.S. Energy Information Governance shows that hydroelectricity accounted for 6.6% of total U.S. electricity generation in 2024, highlighting its continued importance in the renewable energy mix.
Revitalizing Existing hydro Assets: Hollywood and Safe Harbor
The initial phase of the agreement will leverage the output from two established hydroelectric facilities: Hollywood and Safe Harbor. These plants, possessing a rich history of power generation, will undergo modernization efforts to optimize performance and reliability. Brookfield is actively exploring opportunities to upgrade its existing electromechanical infrastructure, enhancing efficiency and extending the lifespan of these critical assets. Furthermore, the company is pursuing new concession opportunities and extensions of current licenses to expand its renewable energy portfolio.
This approach aligns with a broader trend of reinvesting in existing renewable infrastructure, rather than solely focusing on new builds. According to a report by the International Hydropower association, upgrading existing hydropower plants can often be a more cost-effective and environmentally sound solution than constructing new ones.
Google’s 2030 Carbon Neutrality Goal: A Driving Force
This PPA is a cornerstone of Alphabet’s ambitious decarbonization strategy, targeting a 24/7 carbon-free power supply for all its digital operations by 2030. Achieving this goal necessitates a essential change in energy procurement, moving beyond traditional annual renewable energy certificate (REC) systems towards a real-time, regional matching of consumption with carbon-free generation.
The integration of the PJM interconnection – managing over 185 GW of installed capacity across 13 states – is crucial to this endeavor. Google is actively collaborating with PJM to develop advanced artificial intelligence (AI)-driven dispatch optimization solutions. These tools will maximize the integration of clean energy sources, especially during periods of peak demand, similar to how California Autonomous System Operator (CAISO) utilizes AI to manage grid stability with increasing renewable penetration.
Why Hydroelectricity? A Strategic Choice for Data Centers
Google’s preference for hydroelectric power stems from several key technical advantages:
Consistent Reliability: Hydroelectric generation provides a dependable, baseload power supply, operating 24/7, unlike the intermittent nature of solar or wind resources.
Minimal Carbon Footprint: Utilizing existing dams avoids the substantial emissions associated with constructing new energy infrastructure.
* Grid Adaptability: Hydroelectric facilities offer rapid modulation capabilities, essential for meeting the fluctuating power demands of data centers. This responsiveness is akin to the role of pumped hydro storage in providing grid-scale energy storage.
Moreover, the long-term PPA structure shields google from the volatility of spot electricity prices, prevalent in the regions served by PJM. This contract model could establish a new benchmark for energy supply to cloud operators, mirroring the capacity security mechanisms found in European capacity markets.