
PEB Cover 75% of World’s Energy Demand 743
Figure 44.42 This PlusEnergy Building for 7 families in Bennau/Schwyz
uses 62,000 kWh/a, and produces 70,000 kWh/a. This corresponds to a self-
supply of 110%.
Figure 44.43 PEB refurbishment in Gr
¨
usch with a use of 15,000 kWh/a,
and a production of 31,000 kWh/a. Self-supply: 207%. This PEB sells about
4500 kWh/a (130%) to the grid.
the best mono-crystalline solar cells such as those of Sunpower with
an energy factor of more than 19%.
a
a
Swiss and European Solar Prize winners from 1991 to 2009: The figures are based
on measurements upon Swiss and European Solar Prize winners from 1991 to
2009. The best PEB were ...