In short: Cookeville has about 37,100 people and sits in Putnam County. Volunteer Electric Coop, Upper Cumberland E M C and Caney Fork Electric Coop, Inc serves different parts of Putnam County, so your utility depends on your address; their 2024 home averages range from 12.19¢ to 12.89¢ per kWh (EIA). FEMA rates Putnam County lightning “relatively high”. Rooftop solar here makes roughly 1,230 kWh a year per kW of panels by our estimate, which is about average for the U.S..
This page covers what is local to Cookeville: its utility, outage records, sunshine, weather risks and charging. Statewide rules such as net metering, incentives and electrician licensing are in our Tennessee energy guide.
Cookeville at a glance
- Place: Cookeville, Putnam County, Tennessee; about 37,102 residents (Census Bureau estimate, July 2024).
- Utility: Volunteer Electric Coop (member-owned cooperative). Homes paid an average 12.19¢ per kWh in 2024 (EIA-861); the average customer lost 436 minutes of power on normal days and 685 counting major storms, with 5.0 interruptions a year (utility-wide, not just Cookeville).
- Utility: Upper Cumberland E M C (member-owned cooperative). Homes paid an average 12.77¢ per kWh in 2024 (EIA-861) (utility-wide, not just Cookeville).
- Utility: Caney Fork Electric Coop, Inc (member-owned cooperative). Homes paid an average 12.89¢ per kWh in 2024 (EIA-861); the average customer lost 97 minutes of power on normal days and 536 counting major storms (utility-wide, not just Cookeville).
- Sun: 4.20 kWh per square meter per day on average, from 1.89 in December to 6.31 in June (NASA POWER). Our rough estimate: about 1,230 kWh a year per kW of panels.
- Climate: about 1,450 cooling degree-days and 3,940 heating degree-days a year (base 65°F, NASA POWER), so heating and cooling both matter.
- Top hazards in Putnam County: lightning “relatively high”, tornadoes “relatively moderate” and winter weather “relatively moderate” (FEMA National Risk Index; overall county risk rated “relatively low”).
- Public charging: 37 ports at 12 locations in Cookeville, 23 of them DC fast (AFDC, October 20, 2026).
Your utility and what it means
Volunteer Electric Coop is a member-owned cooperative utility and served about 104,387 home customers in 2024; its 12.19¢ average was below the 13.71¢ statewide average for July 2026. Upper Cumberland E M C is a member-owned cooperative utility and served about 45,560 home customers in 2024; its 12.77¢ average was below the 13.71¢ statewide average for July 2026. Caney Fork Electric Coop, Inc is a member-owned cooperative utility and served about 29,631 home customers in 2024; its 12.89¢ average was below the 13.71¢ statewide average for July 2026. Those are utility-wide averages, not a quote for your address; your own bill is the real number.
For reliability, Volunteer Electric Coop reported 436 minutes per customer without major storms in 2024, more than the statewide figure of 160 (EIA-861). Utility-wide numbers hide a lot: a home at the end of a long rural line usually has more outages than the average.
Net metering, export rates and incentives are set at state level and by each utility. Start with the Tennessee guide and then ask your utility for its current interconnection steps before you sign anything.
Backup power in Cookeville
- Lightning (relatively high): Lightning causes short outages and damages electronics. Surge protection and a battery that switches over automatically protect the things you care about.
- Tornadoes (relatively moderate): Tornado-season storms cut power quickly. A battery that switches on by itself, or a portable generator ready to go, covers the first night; sirens and weather radios need power too.
- Short outages: a portable power station covers phones, Wi-Fi, a CPAP and lights; a home battery switches over automatically.
Size your setup with the generator sizing tool and the battery backup calculator, and compare options in backup power. Generator safety (CPSC): outdoors only, at least 20 feet from the house, exhaust away from doors and windows, never in a garage, and battery-powered carbon monoxide alarms inside. A licensed electrician should install any transfer switch, with a permit; see generator installation.
Solar in Cookeville
By our rough estimate each kW of panels makes about 1,230 kWh a year in Cookeville (NASA sunshine data times 365 days times 0.80 for system losses). Valued at Volunteer Electric Coop’s 2024 average of 12.19¢, that is about $150 a year per kW if all of it offsets your own use (an estimate, not a promise). Production swings with the seasons: June is the sunniest month at 6.31 and December the dimmest at 1.89, a 3.3-to-1 gap, so a battery or a bigger system helps in winter.
Check your own roof with the solar potential tool, see solar costs and net metering vs net billing, and read the steps in solar installation.
Batteries and EV charging
A home battery earns its place when outages are frequent, when your utility pays little for exported solar, or when evening prices are high; compare in home batteries and battery costs. Cookeville has 37 public charging ports in the federal station list including 23 DC fast, but home charging is cheaper and easier: see the EV charging cost calculator and EV charger installation.
Drive on another fuel? See every alternative fuel station in Cookeville: hydrogen, propane, natural gas, E85 ethanol, biodiesel and renewable diesel.
Permits and inspections
Solar, generator transfer switches and EV chargers normally need an electrical permit from the Cookeville building or permitting department, or from Putnam County if you live outside city limits, and often a utility interconnection approval. We have not verified a local permit page for Cookeville, so check the city and county websites or ask your electrician, who will know the process. Hire only a licensed electrician or installer; the Tennessee guide lists the state licensing rules.
Nearby guides
More local guides: see all of Tennessee, or the whole Tennessee energy guide.
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Cookeville energy FAQ
Who is my electric company in Cookeville?
Volunteer Electric Coop, Upper Cumberland E M C and Caney Fork Electric Coop, Inc all serve parts of Putnam County. Which one serves you depends on your street, so check the top of your bill. Their 2024 home price averages differ (Volunteer Electric Coop 12.19¢, Upper Cumberland E M C 12.77¢, Caney Fork Electric Coop, Inc 12.89¢) so it matters for solar math.
How much power will solar make in Cookeville?
About 1,230 kWh a year per kW of panels by our estimate, so a 6 kW system would make roughly 7,380 kWh. Shade, roof direction and tilt change this; run your address through the solar potential tool for a better number.
Do I need a permit for solar or a generator in Cookeville?
Almost always an electrical permit for a transfer switch, solar or an EV charger, issued by the city or county where you live. Your licensed electrician or installer normally pulls it. Never connect a generator to your house wiring without a transfer switch.
Sources: EIA Form 861 (2024) for utility prices and outages; NASA POWER climatology (2001 to 2025) for sun and degree-days; FEMA National Risk Index for county hazards; AFDC station locator for public charging; Census Bureau for population. Estimates are ours and are not promises; see our editorial policy. Prices and programs change, so check each program page.