Delta Green

About

Founded in 2010, Delta Green is a private headquartered in Praha, Czech Republic with approximately 50-200 employees specializing in Solar, Energy Storage.

Delta Green operates as a dual-business renewable energy company in Central Europe. Since 2010, it has supplied electricity (initially from Nano Green portfolio) and now focuses on residential flexibility aggregation. The company developed Proteus, an AI-driven platform that automatically manages household electricity consumption and generation based on real-time spot prices and solar production forecasts. It enables customers to reduce energy costs by up to 40%, sell photovoltaic surpluses without changing suppliers (with a 0.45 CZK/kWh fee), and participate in grid stabilization. The platform is used by thousands of customers across Europe, including partnerships with major suppliers like E.ON. Delta Green has raised 2.2 million USD in funding and serves approximately 5,500-7,000 households.

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