West Virginia solar leads

Solar radiation in Charleston

Charleston, the capital, is West Virginia’s largest city in the Census Bureau’s July 1, 2025 estimates, so it is the reference point here. The PVWatts model from the National Laboratory of the Rockies (the former NREL) estimates 4.53 kWh per square meter per day reaching a standard array in Charleston (checked October 9, 2026).

How it was calculated: the version 8 default system, an open-rack array fixed at a 20-degree tilt and facing south, at the city’s Census gazetteer coordinates, with typical-year weather from the National Solar Radiation Database. Valley floors, ridgetops and roof pitch all change the result for a real home, so the number serves only as a common reference between states.

West Virginia’s net metering rule

The Public Service Commission sets net metering in Title 150, Series 33 of the Code of State Rules, Rules Governing Electric Utility Net Metering Arrangements and Interconnections, effective November 15, 2019 under W. Va. Code 24-2F-8 (checked October 9, 2026). The rule’s definition of a customer-generator sets the size limits: not greater than 25 kW at a residential service location, 500 kW at a commercial one and 2 MW at an industrial one, with a 50 kW maximum for customers of rural electric cooperatives, municipally owned utilities and utilities serving fewer than 30,000 residential customers.

Under section 5.2 of the same rule, the utility credits each kilowatt-hour a customer-generator delivers at the full retail rate, or at a net metering credit the commission approves in a general rate filing, up to the electricity the utility delivered in that billing period. Excess kilowatt-hours carry forward to later billing periods, and when a customer ends service the utility is not required to pay for credits left over. Section 3.1 makes net metering available first come, first served until customer-generators reach 3% of a utility’s aggregate customer peak demand in the state in the prior year, with at least 0.5% reserved for residential customers (rule as of 2019, checked 2026).

The rule also sets interconnection levels. Level 1 covers certified, inverter-based systems of 25 kW or less, with an application fee of no more than $30, and Level 2 covers certified systems of up to 2 MW that do not qualify for Level 1, as written in the 2019 interconnection rules. Most home systems fall within the Level 1 limit, which is a quick way for a buyer to separate residential jobs from larger ones.

Detached homes and owners in West Virginia

Most West Virginia housing is single-family detached. The ACS 5-year estimates for 2020-2024 in table B25024 count 610,791 detached houses among 861,325 housing units, 70.9% of the total and the eighth highest share among the 50 states. In table B25032, 457,545 owner-occupied homes are detached, which is 83.9% of the 545,595 owner-occupied homes in the 2020-2024 data.

Housing age and values are on West Virginia window replacement leads, and how homes are heated is on West Virginia HVAC leads, so neither topic is repeated here.

What the West Virginia facts mean for a solar campaign

Read together, the sourced facts describe a small installed base that is growing quickly, in a state of detached houses with a state net metering rule. Three practical points follow:

• Most systems are recent. With 16.7 MW of the 69.9 MW in the EIA estimate added between July 2025 and July 2026, a buyer works in a market where installed systems are still fairly new.
• System size has a ceiling. The 25 kW residential limit in R. 150-33 (2019 rule, checked 2026), or 50 kW for cooperative and municipal customers, frames the size of home projects an installer quotes.
• The serving utility matters. The size limit and the program cap in the same rule differ by utility type, so an installer confirms which utility serves a home before quoting.

Nothing here estimates how many leads exist or where they come from. The points describe the housing, the systems already installed and the state rules a West Virginia solar buyer works within.

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