Best Solar Leads for Installers: A Buyer's Guide for 2026

Not all solar leads are created equal — and the difference between a good lead and a bad one isn't just close rate. It's time wasted on calls that go nowhere, proposals that never get signed, and customers who were never realistic candidates in the first place. For solar installers, choosing the right lead source is one of the most consequential business decisions you can make.

This guide will walk you through what actually makes a solar lead worth pursuing, the different types of leads on the market, what red flags to watch for when evaluating providers, and the questions you should be asking before you commit to any lead source.

What Makes a Solar Lead “Good”?

The best solar leads for installers share a few key qualities. It's worth being explicit about these, because lead providers will often talk about volume, cost-per-lead, and filter options — but rarely about whether their leads actually convert.

• Homeownership: Renters can't install solar. Any lead source that doesn't filter by homeowner status is wasting your time.
• Roof suitability: Flat roofs, heavy tree cover, and north-facing surfaces make solar installations marginal or impossible. Quality leads account for this.
• Utility rate context: A homeowner paying $0.08/kWh is a much harder sell than one paying $0.22/kWh. High utility rates are one of the strongest predictors of close rate.
• Incentive eligibility: State rebates, utility programs, and the federal tax credit dramatically improve the economics for homeowners. Leads in high-incentive zip codes convert at meaningfully higher rates.
• Recency and exclusivity: A lead that's been called by four other contractors before you picked up the phone is a much colder conversation than one you're first to reach.

Types of Solar Leads

Shared Leads

Shared leads are sold to multiple contractors at the same time — typically three to five companies. You're competing on speed and price from the first call. These leads are cheaper per unit, but close rates are low (often 5–12%) and the relationship starts in a commoditized framing. They can work if you have strong systems and a very fast response time, but they're rarely the best solar leads for installers looking for efficient growth.

Exclusive Leads

Exclusive leads are sold to only one contractor. You pay more per lead — sometimes significantly more — but you're not racing anyone to the phone. These tend to produce higher close rates and better conversations because you arrive as the only option, not one of several. If your close rate on shared leads is already decent, moving to exclusive can dramatically improve your overall economics even at a higher CPL.

Platform-Matched and Pre-Warmed Leads

A newer category involves platforms that do targeted outreach to homeowners before surfacing them as leads. Rather than responding to a generic form fill, these homeowners have already received personalized information — their specific address, their local incentives, an estimate of what solar would do for their bill. By the time you reach out, they're not starting from zero. This is the model behind platforms like Solr, and it tends to produce better initial conversations because the homeowner has had a chance to process the economics before you call.

Red Flags to Watch Out For

• No transparency on sourcing: If a provider can't tell you specifically how their leads are generated, assume the worst.
• Volume guarantees without quality filters: "We'll send you 200 leads a month" is only useful if those 200 people can realistically go solar.
• Aged lead reselling: Some providers sell the same leads repeatedly over months. Data that's more than 30 days old drops significantly in conversion.
• No refund or replacement policy: Good providers stand behind their data. If a lead has a disconnected number or clearly wrong information, you should be able to get a replacement.

Questions to Ask Any Lead Provider

• How many contractors receive each lead?
• How old is the lead data when I receive it?
• What filters do you apply (homeownership, roof type, utility rate)?
• What is the average close rate your contractors see?
• What is your policy on bad leads or wrong numbers?
• Can I see a sample before committing to volume?
• Do you offer geographic exclusivity in my service area?

The Bottom Line

The best solar leads for installers aren't necessarily the cheapest or the most voluminous — they're the ones that produce closed deals at a cost-per-acquisition that leaves room for margin. That requires paying attention to quality signals, not just CPL.

If you're evaluating a new lead source, start with a small test buy. Track every lead from contact to proposal to close. After 20–30 leads, you'll have enough data to make a sound decision about whether to scale up or move on.