How much does it cost to build a battery energy storage system
Developer premiums and development expenses - depending on the project''s attractiveness, these can range from £50k/MW to £100k/MW. Financing and transaction costs - at current
In total, the cost of a 2MW battery storage system can range from approximately $1 million to $1.5 million or more, depending on the factors mentioned above. It is important to note that these are only rough estimates, and the actual cost can vary depending on the specific requirements and characteristics of each project.
In 2025, the typical cost of commercial lithium battery energy storage systems, including the battery, battery management system (BMS), inverter (PCS), and installation, ranges from $280 to $580 per kWh. Larger systems (100 kWh or more) can cost between $180 to $300 per kWh. How does battery chemistry affect the cost of energy storage systems?
If you're looking to buy battery storage for your solar panels, you can probably expect to pay between $7,000 and $18,000. Just know that the overall price range for a solar battery is even wider, with prices anywhere from a few hundred dollars to $30,000+, depending on what you buy, who you buy it from and how you plan to use it.
In 2025, a typical solar battery installation costs $9,000–$18,000 before incentives and $6,000–$12,000 after credits. By 2026, continued cost declines are expected to make home energy storage even more accessible, with prices averaging 8–12% lower than current levels.
PDF includes complete article with source references for printing and offline reading.
Download detailed specifications for our distributed PV energy storage systems and liquid cooled ESS containers.
Calle de la Energía 24
Madrid 28045, Spain
+34 911 224 722
Monday - Friday: 8:00 AM - 7:00 PM CET