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    Installer guide · 3 min read

    How to Qualify Commercial Solar Leads

    Short answer: Before booking a commercial solar site survey, confirm five things: the business owns (or controls) the building, it has meaningful electricity spend, the roof or land is suitable, you are speaking to the decision-maker, and they have a realistic timeline and budget. Skipping any of these is the main reason surveys fail to convert.

    The five-point qualification checklist

    • Ownership — does the business own the property, or have landlord permission and a long enough lease?
    • Energy spend — is annual electricity spend high enough to justify a commercial system?
    • Site suitability — roof type, condition, orientation, shading, or available land for ground-mount.
    • Decision-maker — is the contact the owner, MD, FD or facilities lead who can sign off?
    • Timeline and funding — are they planning to act in the next few months, via cash, finance or PPA?

    Qualified solar leads: what the label should mean when you buy

    "Qualified" has no fixed meaning in solar lead generation. To one supplier it means the form was filled in and the phone number works; to another it means every point on the checklist above was confirmed with the decision-maker. When you buy qualified solar leads, ask which of the five checks were made, by whom (a person on the phone or a web form), and whether the answers come with the lead.

    A high quality solar lead is one that is likely to reach a site survey with the person who signs off the spend. In practice that means the five checks were done before it reached you, it is exclusive to you, and there is a clear rule for what happens if it turns out not to match what you were sold.

    • Ask for a sample write-up so you can see exactly what "qualified" includes.
    • Ask whether qualification was done by phone, by form, or both.
    • Ask what share of their booked appointments go ahead, and how they measure it.
    • Ask what is replaced or refunded, and how quickly.

    Questions to ask on the first call

    • Do you own the building, and how long do you plan to stay?
    • Roughly what do you spend on electricity each year?
    • What type of roof do you have, and when was it last replaced?
    • Who else would be involved in approving the project?
    • What would make this project a priority this year?

    Red flags that waste survey time

    • Short-term tenants with no landlord buy-in.
    • Contacts who cannot name who signs off spending.
    • Roofs that need replacing before panels can go on.
    • "Just getting prices" with no timeline.

    How TNW Marketing qualifies leads for you

    Every commercial prospect TNW Marketing books is checked for ownership, energy spend, roof suitability and buying intent before it reaches your calendar. You pay only for qualified, booked meetings — if a booking does not meet the brief, you do not pay.

    Buying solar installer leads from someone else? Ask which of these five checks they make before a lead reaches you, and get the answer in writing. Our comparison of commercial solar leads from 12 UK suppliers shows what each says it checks, and our guide on how to buy solar leads in the UK covers exclusivity and no-show terms.

    Frequently asked questions

    What is a qualified commercial solar lead?

    A business that controls a suitable site, has meaningful energy spend, is represented by a decision-maker and plans to act within a realistic timeframe.

    What makes a high quality solar lead?

    For commercial solar: ownership or landlord consent, enough daytime energy spend, a suitable roof or land, contact with the decision-maker and a realistic timeline, all checked before the lead reaches you, and exclusive to you. Ask any supplier which of these they check and whether the answers come with the lead.

    Should I qualify leads before or after the site survey?

    Before. Qualifying on the phone first saves surveyor time and lifts close rates from site visits.

    Next steps

    See available projects, compare pay-per-lead vs retainer, read the commercial solar lead generation guide or watch client video reviews.