A quick-reference guide to solar terms
Short, clear definitions for the terms you'll run into anywhere on this site.
Browse by term
kWh (Kilowatt-Hour)
The basic unit of energy used on every electric bill and solar proposal.
TSR (Total Solar Resource)
A score used to measure how much usable solar energy a specific roof surface can capture.
Peak Sun Hours
The measurement standard behind every accurate solar production estimate.
Solar Incentives
An overview of the types of incentive programs that can affect your solar investment.
Energy Independence
What it actually means to generate and control your own power.
Home Equity
How solar financing choices relate to the equity you've built in your home.
Financing Options
The common ways homeowners fund a solar installation.
Tax Credits
How tax credits generally work, and why we always verify current terms with you.
Net Metering
The billing arrangement that credits you for excess solar power sent to the grid.
Contracts
What to look for — and ask about — in any solar agreement.
Warranties
The three layers of protection that typically come with a solar system.
Solar Terminology
A quick glossary of common terms you'll hear during your solar journey.
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