Common Sales Mistakes

Why 'Free Solar' Can Become the Most Expensive Solar

Apr 6, 20264 min
Long-term solar lease paperwork and cost comparison

Zero-down lease and PPA offers can look harmless up front, but the long contract, weak ownership position, and hidden upgrade costs can make them far more expensive than buying a system outright.

LEASEPPACONTRACTPITFALLS

Many homeowners hear phrases such as 'free solar installation' or 'go solar with zero money down' and assume they are hearing about a bargain. In reality, those offers usually mean signing a long lease or PPA contract that can stay with the home for twenty or twenty-five years.

That is why the word free can be so misleading. The homeowner may avoid an upfront payment, but the total amount paid over the life of the agreement can easily reach three to five times the cost of buying a comparable system directly.

The pricing story is often dressed up with a low-looking electricity rate, but that rate can be calculated against total system generation rather than against the electricity that actually benefits the home. Under NEM 3.0, extra daytime production can be exported for only a few cents per kilowatt-hour while the customer is still paying the provider far more for every kilowatt-hour the system produced.

Ownership is another hidden cost. In a lease or PPA, the system usually does not belong to the homeowner, which means the federal tax benefit is captured upstream by the provider. At the end of the contract, keeping the system may require an expensive buyout that no longer matches the market value of similar equipment.

The lack of ownership also creates practical pain later. Roof replacement, system removal, upgrades, or battery expansion can all require the provider's approval and may force the homeowner into high additional charges for work that would otherwise be much simpler in an owned system.

That is why 'free solar' deserves much more caution than its marketing suggests. The real question is not whether the initial payment is zero. The real question is what the homeowner gives up over the next twenty years in total cost, flexibility, tax benefits, and control.