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New house plans & Solar water set up
If You Have a Choice, Go Solar PV over Wind
Triple function roof
How can you calculate solar savings?
Can solar be used as back up power instead of a generator?
PEP BB electricity.sand.solar - Small DC only solar system
Restoring a historic watermill in the Italian Alps and putting it back into action. Help welcome!
drawing water from a stream below
Energy conservation or avoidance vs bigger systems
How would I go about installing home solar, and adding batteries to store power?
5W for $25 VAWT
where to begin with energy sources - hydro, wind, solar? site analysis?
Getting started with biogas digesters- management of expectations
Canadians! What are you selling?