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[Off-grid] Self-generated electricity
self-generated electricity can be consumed on site with any remaining power fed into the public grid. In both cases, the feed-in rate for solar electricity is guaranteed by the German state for twenty years under the German Renewable Energy Law. The more electricity is consumed on site, the greater the revenue achieved from the solar power system concerned. The proportion of electricity used on site can be increased to over 60% using intelligent consumption management products. Those who produce self-generated electricity are unaffected by increases in electricity prices. Pressure is also taken off the German grid, as solar power generation and consumption are synchronised directly in the building where the power is used.
SolarWorld : Solar glossary
solar power systems which are not connected to an electricity network. The electricity produced is consumed or stored directly on site (so-called stand-alone systems).