Delta Green
Corporate brand
UnclaimedCzech energy technology company that turns residential flexibility into revenue through its virtual power plant software platform.
Last updated September 26, 2026
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Overview
Delta Green is a Czech energy technology company that began as an energy supplier and evolved into a software provider for residential flexibility. According to its official website, Delta Green started as an energy supplier and, after seeing what residential flexibility could do for the grid, built its own software and is now sharing it with others. In 2010, the company became the first supplier of 100% renewable electricity on its market, helping thousands of households switch to green energy. It then recognized that selling clean power alone was not enough, because the more renewables enter the grid, the harder it becomes to keep it stable. This led Delta Green to ask whether households could help stabilize the grid instead. The company's in-house developers built the solution from scratch and tested it on Delta Green's own retail portfolio, connecting real households to balancing markets. The company states that it proved even small residential assets, such as home batteries, can participate in flexibility. Delta Green now offers a software platform that helps energy companies turn every asset in their network into a profit generator. Its homepage describes the proposition as: "Your customers have built a virtual power plant for you. You just haven't turned it on yet." The platform is backed by Delta Green's own retail experience, and the company says it already controls thousands of homes across Europe for industry leaders such as E.ON. Delta Green operates under an ISO/IEC 27001 certified information security management system, protecting its own data and its customers' data to international standards. The company markets its solutions to trading teams, product teams, and innovation teams, highlighting benefits such as extra monthly revenue per household, high flexibility retention, and the ability to launch the first flexible tariff on a market. Its website includes case studies, a media library, and a booking option for meetings. The company is based in the Czech Republic and operates in European markets.
History
Delta Green started as an energy supplier. In 2010, according to its official About Us page, it became the first supplier of 100% renewable electricity on its market and helped thousands of households switch to green energy. The company soon realized that selling clean power was not enough, because the more renewables enter the grid, the harder it gets to keep it stable. This led Delta Green to explore whether households could help stabilize the grid instead. The company's in-house developers built a software solution from scratch and tested it on Delta Green's own retail portfolio, connecting real households to balancing markets. The company states that it proved even small residential assets, such as home batteries, can participate in flexibility. Delta Green then transitioned from being an energy supplier to a software company, sharing its platform with other energy companies. Its homepage now presents the platform as a way to turn every asset in a network into a profit generator, and notes that Delta Green already controls thousands of homes across Europe for industry leaders like E.ON. The company operates under an ISO/IEC 27001 certified information security management system.
- 2010
Became the first supplier of 100% renewable electricity on its market.
Transitioned from energy supplier to software company, building and sharing a residential flexibility platform.
Achieved ISO/IEC 27001 certification for its information security management system.
Products and positioning
Energy software provider enabling utilities to monetize residential flexibility through a virtual power plant platform.
Delta Green flexibility platform
Software platform that connects residential assets to balancing markets, enabling virtual power plant operations and new revenue streams for energy companies.
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