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Beginner
Elephant Energy Helps Light the Night
A nonprofit with a mission of “Light in every home, clean air in every kitchen, power in every hand.”
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Equipment & Products
Beginner
MAIL: Micro-Solar Project
Using a 15-watt solar-electric module and four small “computer” fans, I built a simple exhaust system to keep the crawl space under my house dry.
3 comments
1 month 1 week
ago
by
peter
Equipment & Products
Beginner
Helios Solar Works SolSimple AC PV Module
Featuring a factory-integrated Exeltech microinverter and no exposed DC wiring.
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Equipment & Products
Beginner
ASK THE EXPERTS: Grid-Tied Inverter Approval
How do I know if my older-model inverter is up-to-snuff according to utility standards for grid interconnection?
8 comments
5 days 4 hours
ago
by
mike werth
Equipment & Products
Beginner
ASK THE EXPERTS: Shallow-Well Pump
Due to drought, my overworked well-pump is taxing our battery system. What alternatives could you suggest?
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Equipment & Products
Beginner
Silicon Energy Cascade PV Module
Washington's Silicon Energy has released an enhanced, next-generation version of its Cascade PV module.
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Equipment & Products
Beginner
ASK THE EXPERTS: Ham Radio Interference
A local ham radio group is curious about how much radio frequency interference there is with components of a solar-electric system.
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Equipment & Products
Intermediate
Lithium-Ion Batteries for Off-Grid Systems
Can lithium-ion technology handle the energy demands of off-grid renewable energy systems?
5 comments
3 months 3 weeks
ago
by
Randy Richmond
Equipment & Products
Intermediate
Grounding and Bonding PV Systems
A closer look at the National Electric Code's articles concerning grounding and bonding requirements in PV Systems.
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Equipment & Products
Beginner
MAIL: Roof Safety
Is the roof worker on the front cover of HP151 wearing a safety harness that isn't connected to anything?
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Equipment & Products
Beginner
Seaward Solar Irradiance Meters
Measuring solar irradiance, ambient air and module temperature, & array orientation and tilt.
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Equipment & Products
Beginner
Choosing PV Modules
With so many PV modules on the market, here’s what you need to know to choose the right ones for your system.
4 comments
2 months 2 days
ago
by
Justine Sanchez
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