Renewable energy | U.S. Green Building Council
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LEED BD+C: Homes | v3 - LEED 2008

Renewable energy

EAc10 | Possible 10 points


Reduce consumption of nonrenewable energy sources by encouraging the installation and operation of renewable electric generation systems.





10 Renewable energy system (maximum 10 points). Design and install a renewable electricity generation system. Use energy modeling to estimate both the energy supplied by the renewable energy system and the annual reference electrical load. Receive 1 point for every 3% of the annual reference electrical load met by the system.
Annual reference electric load is defined as the amount of electricity that a typical home (e.g., the HERS Reference Home) would consume in a typical year. The annual reference electric load must be determined using the procedures specified in the 2006 Mortgage Industry National Home Energy Rating Standards (HERS) Guidelines.
For example,
Annual reference electric load
= 10,000 KWh
Annual electricity consumption in LEED home
= 7,000 KWh
Annual electricity supplied by renewable energy system
= 1,800 KWh
Percentage of annual reference electric load supplied by renewable energy system
= 1,800 / 10,000
= 18.0%
LEED points, under EA 10
= 18.0 ÷ 3 = 6.0 points

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