No sales pitches. No contractor upsells. Just honest, research-backed guides on solar installation, battery storage, and home energy — written for homeowners, not engineers.
Featured guide
NABCEP is not one credential. It is nine board certifications plus an entry-level tier, it certifies people rather than companies, and it is not a license.
A production estimate is a model output, not a measurement. Here are the six inputs that move it, and the questions that get them out of your installer.
California legacy NEM traced to the CPUC's own pages: which decision sets the 20 year period, which date starts it, and where 9 years applies instead.
Home battery rebate programs in 2026, read from CPUC and PURA records: why the money is mostly performance based, and what control you give up to earn it.
State solar rebates in 2026 explained by mechanism: the four types, which ones actually pay you, and the questions that decide whether they stack at all.
The Duke Energy solar bridge rate, per the NC Utilities Commission Public Staff: what Rider NMB is and what Dec 31 2026 actually triggers.
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