Last Update: 04/05/2026 at 2:50 PM EST
Google Expands Backup Power With Carbon Storage
Coverage from Investigate Midwest, Facilities Dive, and others
Articles
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Latest Article
04/02
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Executive Summary
Google is backing CO2 batteries and gas plants with carbon storage to secure cleaner, reliable power for data centers as demand rises
- Google is investing in Energy Dome CO2 batteries for long-duration backup power at data centers
- The Sardinia pilot stores 2,000 tons of CO2 and can generate 200 MWh of electricity
- CO2 batteries are presented as a longer-lasting lower-cost alternative to lithium-ion storage
- Alliant Energy is also moving ahead with a CO2 battery project in Wisconsin for 18,000 homes
- Google and Broadwing Energy plan a 400 MW gas plant in Illinois with about 90 percent CCS
- The Illinois project will store captured CO2 in ADM's EPA-approved Class VI site in the Mount Simon formation
- Google says the CCS project is intended to help support reliable power for its expanding data centers
Quick Facts
- What: Long-duration CO2 storage and gas plant CCS projects
- Where: United States Europe Asia and Illinois Wisconsin
- Why: To supply cleaner reliable power for growing data centers
- Who: Google Energy Dome Broadwing Energy and Alliant Energy
- When: Announced in 2024 with operation targeted by early 2030

