This is the place to ask anything about solar or storage, share your project, and help others decide. Every topic page on this site also has its own discussion at the bottom.
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Getting Started
New to solar? Ask anything here. No question is too basic, and someone will help you find your way.
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Home Solar
Rooftop and ground systems for homes: quotes, installers, costs, roofs, performance and what to expect.
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Batteries and Storage
Home batteries, backup power, sizing, safety and every other way to store solar energy.
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Green Hydrogen
Electrolyzers, making hydrogen on the farm, fuel cells, ammonia and hydrogen safety.
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Farms and Agrivoltaics
Solar water pumping, grazing and crops under panels, farm grants and energy on the ranch.
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Incentives and Rules by Country
Tax credits, rebates, net metering, permits and utility rules anywhere in the Americas. Please say where you are.
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New Technology
Perovskites, floating solar, new batteries, research news and what might be coming next.
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Getting Started
Discussion guidelines
- Be kind and assume good faith. People here range from first time homeowners to engineers.
- Say where you are. Rules and prices depend on your country, state and utility.
- Share real numbers when you can: system size, production, cost and what you paid for electricity before and after.
- No sales pitches or affiliate links. Installers are welcome to answer questions, not to advertise.
- For wiring and safety questions, the answer is almost always to use a licensed electrician.
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Have a question, a correction, or real world experience to share? Start the conversation below. Replies are reviewed before they appear.