Over 12,000 XRGI® systems have already been sold in more than 27 European countries. The following selection of references shows you, where an application is possible, what was saved financially, and how the environment was helped by it.


Trade
> 1,000.000 kWh/a
> 1,500,000 kWh/a
„Immenhof“, Gut Rothensande, Malente, DE
Annual electricity consumption: | 1,000,000 kWh |
Annual heat consumption: | 1,502,727 kWh |
System: 2 x XRGI® 20
Premium partner:
Kohlhoff Gebäudetechnik GmbH
Kohlhoff Gebäudetechnik GmbH
Commissioned: | 2016 |
After Installation
Generated electricity: | 193,849 kWh |
Electricity consumed on site: | 193,849 kWh |
Electricity coverage: | 19 % |
Generated heat: | 383,509 kWh |
Heat coverage: | 26 % |
Annual cost reduction: | 53,000 €/a |
Annual carbon reduction: | 47 t CO2/a |


Trade
> 70,000 kWh/a
> 320,000 kWh/a
Strandhotel Steinberghaff, Steinberg, DE
Annual electricity consumption: | 74,376 kWh |
Annual heat consumption: | 327,975 kWh |
System: XRGI® 9
Premium partner:
Kohlhoff Gebäudetechnik GmbH
Kohlhoff Gebäudetechnik GmbH
Commissioned: | 2016 |
After Installation
Generated electricity: | 49,216 kWh |
Electricity consumed on site: | 49,216 kWh |
Electricity coverage: | 66 % |
Generated heat: | 110,129 kWh |
Heat coverage: | 34 % |
Annual cost reduction: | 18,400 €/a |
Annual carbon reduction: | 11 t CO2/a |


Trade
> 10,000 kWh/a
> 70,000 kWh/a
Thomsen‘s Motel, Kappeln, DE
Annual electricity consumption: | 10,000 kWh |
Annual heat consumption: | 77,000 kWh |
System: XRGI® 6
Premium partner:
Kohlhoff Gebäudetechnik GmbH
Kohlhoff Gebäudetechnik GmbH
Commissioned: | 2018 |
After Installation
Generated electricity: | 30,475 kWh |
Electricity consumed on site: | 9,998 kWh |
Electricity coverage: | 96 % |
Generated heat: | 73,940 kWh |
Heat coverage: | 97 % |
Annual cost reduction: | 7,560 €/a |
Annual carbon reduction: | 11 t CO2/a |


Residential buildings
> 80,000 kWh/a
> 560,000 kWh/a
Apartment building Hamburg, Blankenese Hamburg, DE
Annual electricity consumption: | 83,258 kWh |
Annual heat consumption: | 563,537 kWh |
System: XRGI® 15
Premium partner:
Kohlhoff Gebäudetechnik GmbH
Kohlhoff Gebäudetechnik GmbH
Commissioned: | 2018 |
After Installation
Generated electricity: | 111,315 kWh |
Electricity consumed on site: | 71,187 kWh |
Electricity coverage: | 86 % |
Generated heat: | 216,886 kWh |
Heat coverage: | 39 % |
Annual cost reduction: | 22,773 €/a |
Annual carbon reduction: | 22 t CO2/a |


Trade
> 70,000 kWh/a
> 140,000 kWh/a
Katenschinken Paasch, Dahmendorf, DE
Annual electricity consumption: | 72,000 kWh |
Annual heat consumption: | 146,500 kWh |
System: XRGI® 9
Premium partner:
Kohlhoff Gebäudetechnik GmbH
Kohlhoff Gebäudetechnik GmbH
Commissioned: | 2019 |
After Installation
Generated electricity: | 58,473 kWh |
Electricity consumed on site: | 57,888 kWh |
Electricity coverage: | 80 % |
Generated heat: | 131,400 kWh |
Heat coverage: | 90 % |
Annual cost reduction: | 12,400 €/a |
Annual carbon reduction: | 12 t CO2/a |

Trade
> 80,000 kWh/a
> 370,000 kWh/a
Dataplot, print shop, Henstedt-Ulzburg, DE
Annual electricity consumption: | 89,675 kWh |
Annual heat consumption: | 370,700 kWh |
System: XRGI® 20
Premium partner:
Kohlhoff Gebäudetechnik GmbH
Kohlhoff Gebäudetechnik GmbH
Commissioned: | 2017 |
After Installation
Generated electricity: | 81,270 kWh |
Electricity consumed on site: | 51,785 kWh |
Electricity coverage: | 58 % |
Generated heat: | 166,548 kWh |
Heat coverage: | 45 % |
Annual cost reduction: | 15,500 €/a |
Annual carbon reduction: | 19 t CO2/a |


Trade
> 190,000 kWh/a
> 480,000 kWh/a
Fischerei- und Verarbeitungsbetrieb Dehmel, Dabel, DE
Annual electricity consumption: | 190,000 kWh |
Annual heat consumption: | 480,200 kWh |
System: XRGI® 20
Premium partner:
Kohlhoff Gebäudetechnik GmbH
Kohlhoff Gebäudetechnik GmbH
Commissioned: | 2014 |
After Installation
Generated electricity: | 168,005 kWh |
Electricity consumed on site: | 166,107 kWh |
Electricity coverage: | 87 % |
Generated heat: | 332,355 kWh |
Heat coverage: | 69 % |
Annual cost reduction: | 20,300 €/a |
Annual carbon reduction: | 40 t CO2/a |

Residential buildings
> 40,000 kWh/a
> 410,000 kWh/a
Residential neighbourhood, Neustadt in Holstein, DE
Annual electricity consumption: | 40,000 kWh |
Annual heat consumption: | 418,864 kWh |
System: XRGI® 15
Premium partner:
Kohlhoff Gebäudetechnik GmbH
Kohlhoff Gebäudetechnik GmbH
Commissioned: | 2016 |
After Installation
Generated electricity: | 115,862 kWh |
Electricity consumed on site: | 33,950 kWh |
Electricity coverage: | 85 % |
Generated heat: | 225,148 kWh |
Heat coverage: | 54 % |
Annual cost reduction: | 10,600 €/a |
Annual carbon reduction: | 23 t CO2/a |


Trade
> 100,000 kWh/a
> 200,000 kWh/a
Hotel Ausspann, Hamburg, DE
Annual electricity consumption: | 105,000 kWh |
Annual heat consumption: | 204,545 kWh |
System: XRGI® 15
Premium partner:
Kohlhoff Gebäudetechnik GmbH
Kohlhoff Gebäudetechnik GmbH
Commissioned: | 2014 |
After Installation
Generated electricity: | 82,531 kWh |
Electricity consumed on site: | 45,492 kWh |
Electricity coverage: | 43 % |
Generated heat: | 166,928 kWh |
Heat coverage: | 82 % |
Annual cost reduction: | 10,800 €/a |
Annual carbon reduction: | 16 t CO2/a |


Public facilities
> 100,000 kWh/a
> 450,000 kWh/a
School, Barntrup, DE
Annual electricity consumption: | 105,000 kWh |
Annual heat consumption: | 450,000 kWh |
Premium partner:
Energieservice Westfalen Weser GmbH
Energieservice Westfalen Weser GmbH
After Installation
Generated electricity: | 77,400 kWh |
Electricity consumed on site: | 48,100 kWh |
Electricity coverage: | 46 % |
Generated heat: | 53,000 kWh |
Heat coverage: | 12 % |
Annual cost reduction: | 5,500 €/a |
Annual carbon reduction: | 40 t CO2/a |