Lighting Company

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Solar Companies

Solar Panel Performance Terms to Know

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solar panels on home
A contractor installed this 20-panel, 5,500 kilowatt rooftop solar system on this New England house. (Photo courtesy of Angie's List member David L. of Hopedale, Massachusetts )

As you learn about solar panel systems, it’s helpful to know some of the key efficiency and performance terms. These will help you when you comparison shop.

Frequently Asked Questions (FAQs) about Solar Panels

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Solar panels
These solar panels were installed on a house in the South. Savings on the utility bill was one immediate payoff: The homeowner's electric bill for August was a mere $1.50. (Photo courtesy of Angie's List member Bob B. of Hudson, Florida)

If you’re pondering a solar panel system, learn about the basics before you contact a professional to assess your home's suitability for solar power.

These Factors Affect Solar Panel Performance

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solar panels
A contractor installed this 28-panel solar system, rated to generate 7,140 watts of direct current, on this home's roof. (Photo courtesy of Angie’s List member Jennifer O. of Davis, California)

Before you buy a solar system for your home, it pays to do your homework. Take the time to research factors that will affect the system’s performance.

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Generator Repair

ComEd forced to pay damages to Chicago-area customers who lost power in storms

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Losing power for even more than a few hours can wipe out the entire contents of a homeowners' refrigerator. (Photo courtesy of Angie's List member Michael S.)
Losing power for even more than a few hours can wipe out the entire contents of a homeowners' refrigerator. (Photo courtesy of Angie's List member Michael S.)

Following an appellate court ruling, Illinois' largest power provider may be on the hook for $30 million in damages from July 2011 storms that left thousands without electricity for days.

Backup electric generator interest surges after storm power outages

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Winds clocked at over 90 mph toppled trees like this one in Plainfield, Illinois. About 225,000 ComEd customers lost power as a result of the June 30 storm. (Photo by Steven Jack)
Winds clocked at over 90 mph toppled trees like this one in Plainfield, Illinois. About 225,000 ComEd customers lost power as a result of the June 30 storm. (Photo by Steven Jack)

Chicago residents left without power days after a storm? If only they installed a backup electric generator to restore power immediately. Here's what one costs.

Generator installation: avoid a costly electrical disaster

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Hiring an electrical contractor as opposed to someone who deals solely in generators can help you avoid frustrating mistakes during installation, says Angeloszek. (Photo courtesy of CT Electrical Services)
Hiring an electrical contractor as opposed to someone who deals solely in generators can help you avoid frustrating mistakes during installation, says Angeloszek. (Photo courtesy of CT Electrical Services)

Homeowners have many choices when investing in a generator, but this range of options also causes problems. Learn how to avoid electrical installation problems.

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