The Inverter Service Group (ISG) is a merger of the four leading inverter service specialists Hilker Repair GmbH, Blueray Services GmbH, Eternus Technology GmbH and Bluesun Energy Service GmbH. We have made it our mission to offer operators and O&M service providers of solar power plants or solar systems comprehensive repair, maintenance and spare parts services for their solar inverters and power electronics - from small string inverters with a few kilowatts of power to large central inverters with several megawatts of power. Fast and uncomplicated, with a central point of contact.

Inverter Service Group

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