Google Breaks Ground on Record-Setting Steel River Energy Center in Arkansas: 2.5GW Solar, 2.9GWh Battery Storage

July 19, 2026

Google Blog USA

Overview

Google has commenced construction on the Steel River Energy Center in Mississippi County, Arkansas, its largest-ever solar and battery storage project, designed to power its AI data centers. Initially, the project will provide 1.6 GW of solar and 1.9 GWh of battery storage, with plans to expand to 2.5 GW solar and 2.9 GWh storage, capable of powering over 315,000 Arkansas homes. This initiative represents a pioneering effort to simultaneously decarbonize data center operations and deliver clean energy to local communities.

In Depth

Key Findings

Google has officially broken ground on the Steel River Energy Center in Mississippi County, Arkansas, marking the commencement of the company’s largest-ever solar and battery storage project. This monumental hybrid facility is designed to power Google’s AI data centers, clearly demonstrating the tech giant’s commitment to large-scale clean energy deployment and contributing significantly to regional power grids.

Technical & Project Details

The Steel River Energy Center is set to initially operate with 1.6 GW of solar generation capacity and 1.9 GWh of battery storage. The project will leverage advanced solar panels from First Solar and batteries manufactured at LG’s Phoenix factory. Future plans include an expansion to 2.5 GW of solar and a substantial 2.9 GWh of battery storage, a scale capable of supplying electricity to over 315,000 homes in Arkansas. This integrated system will ensure an uninterrupted supply of clean power to data centers by buffering the intermittency of solar generation with battery storage, simultaneously enhancing the stability and resilience of the local electricity grid.

Background & Industry Context

With the rapid advancement and proliferation of AI, major technology companies like Google face the dual challenge of meeting escalating data center power demands while simultaneously decarbonizing their energy sources. Google has set an ambitious goal to operate on 24/7 carbon-free energy by 2030, and the Steel River Energy Center represents a critical strategic investment towards achieving this objective. Such large-scale renewable energy and storage projects are indispensable for mitigating the environmental impact of data center energy consumption and establishing a model for sustainable digital infrastructure.

Strategic Significance & Outlook

The Steel River Energy Center will establish a new benchmark for sustainable power supply to data centers. This project will contribute to Google’s carbon-free goals as well as regional economic development and job creation. In the future, such hybrid renewable energy facilities are anticipated to become a standard power supply model for data centers globally, playing a vital role in decarbonizing and strengthening entire electricity grids. Furthermore, large-scale BESS will facilitate optimized power management for AI workloads, becoming an indispensable component in future AI data center designs.

Source: https://blog.google/innovation-and-ai/infrastructure-and-cloud/global-network/steel-river-arkansas/

Get our weekly technology intelligence — free

Receive an infographic that lets you judge at a glance whether each field’s analysis report is worth reading.

Subscribe Free — Weekly Tech Intelligence

By subscribing, you’ll receive Troy-Technical’s weekly technology intelligence newsletter.