Solar Resources

General Background

Solar Power Your Home for Dummies

This is a good primer on residential solar.

Homeowner’s Guide to Going Solar

Basic overview provided by the U.S. Dept. of Energy.

Database of State Incentives for Renewables & Efficiency

Look up your state and see all the state and Federal incentives available for renewable energy investments. Great resource provided by the North Carolina Clean Energy Technology Center.

System Design

PV Watts Calculator

Estimates the amount of electricity produced by a solar energy system annually, broken down by month, based on your geographic location and the basic design of your proposed system. Also provides the dollar value of that energy based on the current rates of your provider. Excellent tool for assessing the financial return on your investment. Developed by the National Renewable Energy Laboratory.

String Sizing Tools

Sizing your solar panel strings correctly is a key part of planning a dependable system: many equipment manufacturers offer online sizing tools that do all the math for you:

Midnite Solar String Sizing Tool

Outback Power String Sizing Tool

Morningstar String Sizing Tool

Blue Oak String Sizing Tool

Retail Suppliers

AltE

New England

EcoDirect

West Coast

Northern Arizona Wind & Sun

Southwest

Photon Electric

Midwest

Sentinel Solar

Canada

The Solar Store

Northwest

Equipment Manufacturers

Panels

Q Cells

Solar Edge

LG

Canadian Solar

Panasonic

Solarworld

Trina

Seraphim

Inverters

Outback Power

Schneider Electric

Pika Energy

Solar Edge

Charge Controllers

Morningstar

Outback Power

Midnite Solar