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Step 1: Gather your numbers
Pull your last 12 months of electricity use in kWh from your bill or Smart Meter Texas (for deregulated areas). Installers size systems from annual use, so this gets you accurate quotes and stops oversizing.
Step 2: Request at least three quotes
Solar.com
Matches you with vetted local installers and gives you an advisor to help compare bids.
Partner link coming soonEnergySage
An online marketplace where you can receive and compare multiple installer quotes side by side.
Partner link coming soonYou can also ask neighbors who have solar for installer referrals and check reviews and complaints with the Better Business Bureau.
Step 3: Compare apples to apples
| Line item | What to check |
|---|---|
| System size (kW DC) | Is it sized to your actual annual use? |
| Estimated production (kWh/yr) | Ask what software and shading data they used |
| Price per watt | Total price ÷ watts. The easiest way to compare. |
| Panels and inverters | Brand, model, microinverters vs. string inverter |
| Warranties | Panel product and performance, inverter, and workmanship (roof penetrations) |
| Savings assumptions | Which electricity rate and buyback rate? What annual rate increase? Is it assuming a tax credit that no longer applies? |
| Financing | APR, dealer fees, total paid over the loan term |
Red flags
- "Free solar" or "government program" pitches (there is no free government solar)
- Savings estimates that include the expired 30% federal homeowner credit
- Pressure to sign the same day
- Assumed electricity price increases of 4–5% or more per year
- No mention of your retail provider's buyback plan or your utility's rules
- Unlicensed electrical work. Texas requires licensed electricians (check TDLR)
Step 4: Check the contract
Texas law gives you a cancellation right on many home-solicitation sales, and the Texas solar consumer protection law (SB 1036, effective 2023) requires residential solar sellers to provide clear disclosures. Read the disclosure and the full contract before you sign.