plowunited.net – Google has announced a global commercial partnership with Milan-based startup Energy Dome. Marking its first investment in long-duration energy storage (LDES) technology. The partnership will integrate Energy Dome’s carbon dioxide battery systems into the power grids that support Google’s global operations. The goal is to improve renewable energy storage and help the company meet its 2030 target of operating on clean energy 24/7.
Traditional lithium-ion batteries used in energy storage can typically store and discharge power for four hours or less. In contrast, Energy Dome’s carbon dioxide battery can dispatch energy for 8 to 24 hours. This extended capacity allows more consistent use of solar and wind energy. Even when the sun isn’t shining or the wind isn’t blowing.
The system uses carbon dioxide in a closed-loop cycle. During times of excess renewable generation, the battery compresses carbon dioxide gas into a liquid using that surplus power. When demand rises, the liquid carbon dioxide is converted back into gas, which expands under pressure to drive a turbine. The energy generated is then fed back into the grid, supporting continuous power delivery for up to a full day.
This innovation provides a scalable and cost-effective solution for overcoming the intermittent nature of renewable energy sources. Google believes this partnership will help accelerate deployment of long-duration energy storage technologies worldwide.
CO₂ Battery Technology Could Accelerate Google’s 24/7 Clean Energy Goal
Google emphasized that Energy Dome’s technology offers a faster commercialization path than many of its other clean energy investments. By supporting the scaling of carbon dioxide battery systems, Google aims to reduce the cost of clean energy adoption and increase its availability across regions where the company operates.
The CO₂ battery’s modular design and reliance on abundant, non-toxic materials also make it a promising candidate for widespread use. Unlike some emerging technologies that are still in early development, Energy Dome’s system has already undergone successful pilot testing and is ready for broader deployment.
Google’s investment aligns with its ambitious goal to run entirely on renewable energy, every hour of every day, by 2030. Achieving this requires more than just purchasing green power—it involves ensuring that clean energy is available even when intermittent generation dips. Long-duration storage technologies are seen as critical in meeting that challenge.
The partnership with Energy Dome adds a new dimension to Google’s growing portfolio of sustainability projects. As more companies and governments pursue aggressive climate targets, solutions like carbon dioxide batteries may play a vital role in enabling reliable, low-carbon power systems.
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This development highlights a broader trend in the tech industry, where companies are not only consumers of clean energy but also active investors in technologies that make the energy transition possible. Through this partnership, Google is contributing to the global push for energy innovation while addressing its own carbon footprint in a scalable and sustainable way.
