Abstract
Grid-connected photovoltaics experienced increasing attention in
Germany in recent years and are expected to face a major boost at
the beginning of the new millennium. Highlights like the German 100,000-Roofs-Solar-Programme,
PV programmes at schools financed by utilities and governments (e.g.
âSONNEonlineâ by PreussenElektra, âSonne in der Schuleâ by
BMWi and âSonne in der Schuleâ by Bayernwerk) and large centralised
installations of MW size (âNeue Messe MuÂ?nchenâ by Bayernwerk
and âEnergiepark Mont-Cenisâ by state Nordrhein-Westfalen, Stadtwerke
Herne and European Union) count for the potential of grid-connected
PV. Today in Germany a typical grid-connected PV installation of
1 kW nominal power produces average annual energy yields of 700 kWh
(dependent on location and system components) and shows a high operating
availability. The price per kWh from PV installations is still significantly
higher than the price for conventional energy, but new funding schemes
and cost models (like the large increase of feed-in tariff in Germany
due to the Act on Granting Priority to Renewable Energy Sources in
2000) give optimism about the future.
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