Solar Energy Consumer Guide: How to Choose a Solar Company and Avoid Costly Scams

Solar energy has become one of the fastest-growing home improvement investments in the country. Lower electricity bills, energy independence, potential tax credits, and rising home values have made solar panels attractive to millions of homeowners. And as the market has grown, so has the number of companies competing for that business — including companies that don’t always deliver what they promise.

This guide covers everything you need to know to evaluate a solar installer confidently: how to verify licensing and reviews, what questions to ask before you sign, what red flags signal a company to avoid, and how to protect yourself throughout the process. It also serves as the hub for our complete solar research library, linking to dedicated deep-dives on each major topic.

Why More Homeowners Are Choosing Solar

The appeal of solar is real. In most markets, a well-sized system from a reputable installer will meaningfully reduce electricity bills over its lifespan, and federal tax credits (the Investment Tax Credit, currently 30% under the Inflation Reduction Act) make the upfront economics significantly more favorable than they were a decade ago. Many states also offer additional incentives, utility buyback programs, and property tax exemptions for solar installations.

• Lower monthly electricity costs over a 20–25 year system lifespan
• Protection against rising utility rates
• Federal Investment Tax Credit (30%) and many state-level incentives
• Increased home resale value in most markets
• Reduced environmental footprint

But solar is also a significant financial commitment. A typical residential system costs $20,000–$40,000 before incentives, and most consumers finance it over 10–25 years. The combination of high contract value and long-term obligation makes choosing the right company one of the most consequential decisions involved.

How to Choose a Reputable Solar Company

Common Solar Industry Red Flags

Each of the following warrants slowing down before you sign anything. Several together should stop you entirely. See our full 10 Solar Company Red Flags guide for detailed coverage of each.

• High-pressure sales with demands for same-day decisions
• Guarantees of “free solar” or “zero-cost installation” without explaining the financing obligation
• Promises that the system will fully eliminate your electricity bill — almost never accurate
• Verbal savings guarantees not included in the written contract
• Inability or unwillingness to provide a license number
• No verifiable physical office or established local presence
• Contracts that are difficult to understand or that the salesperson discourages you from reading
• Door-to-door salespeople who claim the deal expires if you don’t sign immediately

Questions Every Homeowner Should Ask Before Signing

Why Verified Reviews Matter in Solar

Solar reviews matter more than in most consumer categories because the commitment is long-term. A bad restaurant experience is over in an hour. A problematic solar installation can generate disputes, insurance claims, and financing complications for years. Reviews that surface post-installation support failures, unresolved damage claims, or billing problems that emerged months after installation are the most predictively valuable ones — and they’re also the ones most aggressively suppressed or counteracted through fake positive campaigns.

ConsumersVerified aggregates solar company ratings from real, independent third-party platforms and does not accept payment to improve any company’s rating. See our full analysis in Verified Solar Reviews vs. Marketing Claims.

Protecting Yourself Throughout the Process

• Never sign a contract on the day of the sales visit — take at least 24–48 hours to review it
• Get every promise in writing before signing — verbal guarantees are unenforceable
• Confirm all financing terms including the APR, total loan cost, and whether the interest rate is fixed or variable
• Verify who owns the equipment under your contract (you or the company)
• Confirm permitting is included and who pulls the permit
• Keep copies of all signed documents before the salesperson leaves

Frequently Asked Questions

Is solar worth it in 2026?

For many homeowners, yes — particularly with the 30% federal Investment Tax Credit in place and continued utility rate increases. Whether it makes financial sense for your specific home depends on your roof, local utility rates, available sunlight, and how you finance it. The ITC is scheduled to begin stepping down after 2032, so current incentives are among the strongest available.

How long does a solar installation typically take?

From contract signing to system activation, most residential solar installations take 1–3 months. The physical installation is often completed in one to two days; the bulk of the timeline is permitting, inspection, and utility interconnection approval, all of which are handled by the installer.

What’s the difference between a solar loan, lease, and PPA?

A solar loan means you own the system and claim the tax credit. A lease means you pay a monthly fee to the company that owns the system on your roof. A PPA means you buy the power the system produces at a contracted rate. Each has different long-term cost and ownership implications. See our full breakdown in Is Solar Really Free? Solar Financing Explained.