Solar in Chattanooga: EPB, TVA Green Flex and Hamilton County permits

Local market

Solar in Chattanooga by the numbers

Metro population

580K

Typical cost per watt

$2.80

Paid lead cost

$85.00 to $160.00

Installer density

Moderate

Climate for solar

How much sun does Chattanooga get?

Chattanooga gets around 4.6 peak sun hours per day with 201 sunny days per year, moderate for solar. Tennessee River valley cloud cover and ridge shadowing from the surrounding mountains limit yield more than most installers model. Honest site audits matter.

Who delivers power here

Utilities serving Chattanooga

Electric Power Board of Chattanooga (EPB), municipal TVA distributor, serves most of Hamilton County including Chattanooga, Various electric cooperatives (Volunteer Electric Cooperative, Sequatchie Valley Electric Cooperative) serve surrounding counties.

For how exports are credited and what the statewide rules look like, see the Tennessee solar market guide.

Permits and inspection

Pulling a residential solar permit in Chattanooga

City of Chattanooga Land Development Office typically runs residential solar permits in 3 to 5 weeks. SolarAPP+ is not accepted. Surrounding Hamilton County jurisdictions and nearby cities in Georgia (Fort Oglethorpe, Dalton) run their own permits. EPB interconnection post-install typically runs 4 to 6 weeks (EPB's grid is relatively well-run).

Running a solar company here

Running a solar company in Chattanooga

Running a solar company in Chattanooga means working under TVA Green Flex via EPB, which is one of the better-run TVA distributors. The best Chattanooga operators do honest ridge-shadow audits (surrounding mountains cast shadows that affect many sites), understand EPB interconnection paperwork, and size systems to self-consumption. Lead costs run $85 to $160 on Google search.

Other cities in Tennessee

Other Tennessee cities covered

• Solar in Nashville
• Solar in Memphis
• Solar in Knoxville

Questions people ask

Solar in Chattanooga: FAQ

Does EPB have net metering?

Not retail-rate 1-for-1. EPB follows the TVA Green Flex programme that replaced Green Power Providers in 2019. Residential solar generation credits at approximately $0.03 to $0.05 per kWh for 20 years, below the retail rate of about $0.11.

How long does a solar permit take in Chattanooga?

City of Chattanooga Land Development Office typically runs residential solar permits in 3 to 5 weeks. Surrounding Hamilton County jurisdictions run 2 to 4 weeks typically. EPB interconnection post-install adds 4 to 6 weeks.

How much does solar cost in Chattanooga?

Chattanooga runs about $2.80 per watt installed for residential, meaning a 7 kW system typically costs around $19,600 gross. After the 30 percent federal tax credit, net cost is approximately $13,700. Tennessee has no state solar tax credit.

Is solar worth it in Chattanooga?

For Chattanooga homes with unshaded roofs and high electricity use sized to self-consumption, yes but with longer payback than retail-NEM states: typically 11 to 15 years with the federal tax credit. Ridge shadowing and valley cloud cover stretch yield modelling; honest site audits matter.