Energiesysteme Groß

About us

As a national project developer, Energysystems Gross GmbH & Co. KG (ESG) plans and realizes photovoltaic projects in the size range from 1kWp up to multiple MWp. It offers turnkey systems on roofs and open spaces, storage systems for self-consumption and for industrial applications as well as e-mobility charging solutions for private and commercial use. Energiesysteme Groß GmbH & Co. KG is one of the market leaders in the field of photovoltaics and energy storage.

About the Storage Challenge

One target of our everday work at ESG is to promote renewable energy sources. Possible interesting storage applications would be:
- intelligent Peakshaving at commercial photovoltaik plants, to reduce demand rate
- own comsuption optimasation
- balancing energy for power grid stabilisation


Usable Capacity: 50 - 60 kWh

Power, discharging cont.: 12-15 kW

Power, charging, cont.: 12-15 kW

Voltage level: 230V / 400 V; AC

Temperature range: -15 °C - 35 °C

site: indoor

headword / technology: open for different energy storage

Further Information

Company website (in German): www.esg-solar.de