Kentucky solar leads

Solar resource in Louisville

Louisville is Kentucky’s largest city in the Census Bureau’s July 1, 2025 estimates; the Census place is the balance of the Louisville/Jefferson County metro government. The PVWatts Calculator, developed at NREL and now operated by the National Laboratory of the Rockies, estimates 4.75 kWh per square meter per day of solar radiation reaching an array there (checked October 9, 2026).

How it was calculated: PVWatts version 8 with its default system, a fixed open-rack array pointed south and tilted 20 degrees, at the Census gazetteer coordinates for the place, using typical-year weather from the National Solar Radiation Database. Treat it as a reference point for comparing locations rather than a prediction for a particular roof.

Kentucky net metering under KRS 278.466

Kentucky’s net metering rules are written into statute. KRS 278.465 limits eligible facilities to solar, wind, biomass or biogas, or hydro systems of no more than 45 kilowatts, located on the customer’s premises and built mainly to supply the customer’s own use. KRS 278.466, as amended effective January 1, 2020, requires each retail electric supplierSupplierAny company that provides leads to a buyer, whether it generates them itself or brokers them from publishers. Glossary to offer net metering to eligible customers, though a supplier may stop taking new net metering customers once their combined capacity reaches 1% of its single-hour peak load in a calendar year (checked October 9, 2026).

Compensation is set case by case. Each supplier pays for all electricity a customer’s system sends to the grid at a rate the Public Service Commission sets in a ratemaking proceeding, and the payment takes the form of a dollar bill credit each billing period. Credits larger than the bill carry forward to the next bill. They cannot be moved to another customer or another address, and no cash refund is paid when an account closes.

Systems that were in service before the Commission’s first net metering order under the 2019 amendment keep the tariff in place when they started, including the one-to-one kilowatt-hour credit, for 25 years at those premises, even if the home is sold. Under the same section, equipment must meet the National Electrical Code, IEEE and accredited testing laboratory standards, and an installation may pass to a new owner at the same premises after the supplier is notified and checks compliance.

Kentucky’s detached owner homes

Home solar is sold mainly to people who own a detached house. In the Census Bureau’s table B25024 for 2020-2024, 1,365,469 of Kentucky’s 2,023,116 housing units are single-family detached, which is 67.5% and the 18th highest share of the 50 states. Table B25032 shows 1,058,530 owner-occupied detached homes, 85.4% of the state’s 1,239,908 owner-occupied homes.

Housing age and home values are covered on Kentucky window replacement leads, and heating fuels on Kentucky HVAC leads.

What the Kentucky facts mean for a solar buyer

Put side by side, the facts describe a state with a modest installed base, a statute that leaves the export credit rate to the Commission, and owner housing that is mostly detached. Three points follow:

• The export rate is utility-specific. Because KRS 278.466 has the Commission set the credit in each supplier’s rate case, installers look up the serving supplier’s current tariff rather than one statewide number (as of October 9, 2026).
• Room to grow from a low base. Kentucky’s 127.9 MW of small-scale solar in July 2026 ranked 40th in the EIA’s Table 6.2.B, so most prospects will be first-time buyers of a system.
• One county stands out. Jefferson County holds 17.3% of the state’s owner-occupied detached homes in the 2020-2024 ACS (183,318 of 1,058,530), which matters when setting a Louisville-area ZIP code list.

These points describe housing, installed systems and law. They do not say how many leads exist or where they will come from.

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