Tuesday, July 23, 2024

German agency hits power independence with photo voltaic, batteries, hydrogen – pv journal Worldwide


Esysteme21 is constructing a 100% self-sufficient power system with photovoltaics, hydrogen and battery storage. The German photo voltaic firm describes the idea as an answer for medium-sized companies.

From pv journal Germany

Esysteme21, a German photo voltaic firm, claims to have achieved full power self-sufficiency utilizing photovoltaics, hydrogen, and battery storage. It now provides this feature to industrial and business prospects.

Norbert Unterharnscheidt, managing director of Esysteme21, stated pv journal that their power prices for electrical energy and warmth now common €0.25 ($0.27)/kWh.

Initially, the corporate expanded its constructing with 360 sq. meters of workplace house and 300 sq. meters of storage, including thermal insulation and a inexperienced facade. They additionally remodeled parking areas and properties into climate-friendly surfaces with new, water-permeable paving.

The new power resolution consists of an 80 kW photo voltaic system on the roof and facade, paired with an 80 kWh battery storage system. This setup helps an electrolysis system that produces and shops hydrogen, which might later be transformed again into electrical energy utilizing a gas cell throughout winter or low photo voltaic intervals. The waste warmth from these processes helps the heating and preparation of scorching water.

Heating is supplemented by a warmth pump and new hydrogen darkish radiators, which emit radiant warmth much like infrared radiators. The web site additionally consists of three electrical automobile charging stations powered instantly by renewable electrical energy.

Unterharnscheidt famous continued hydrogen manufacturing with plans to fill storage tanks in September, utilizing extra electrical energy for potential future wants or promoting hydrogen to different corporations.

The firm’s annual electrical energy demand, together with air-con and heating, is 17,750 kWh. With 80,000 kWh of PV electrical energy anticipated every year, they allocate 34,000 kWh for electrolysis and compression, which generates roughly 6,750 kWh from the gas cell. This leaves an additional 32,500 kWh for electromobility and future progress.

The whole funding for the power resolution is €600,000, with an extra €700,000 spent on constructing enhancements and environmental enhancements. Leveraging their expertise, Esysteme21 now provides consultancy to assist different corporations obtain local weather neutrality adjustments.

“It is obvious to me that this resolution is simply of curiosity to some pioneers,” stated Unterharnscheidt. “But you will need to present what is feasible right this moment and to point out that the prices are throughout the limits. While electrical energy prices €0.10 in summer season, they rise to €0.40 in winter – an annual common of € 0.25.

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