Tennessee: every permit portal for solar, wind, and storage
The quick find: which office handles each approval a utility-scale project touches in Tennessee, with the agency's own page. Counties and cities add their own land-use approvals; the state table is the part that is the same across the state.
State and grid
| Approval | Where to go |
|---|---|
| State siting or certificateWhether the state itself approves where a generating facility goes, or leaves it to counties and cities. | No state siting permit; county zoning and TVA review not script-checkableTennessee county governments · the agency's site blocks automated checks, so the link is as researched, not machine-confirmed |
| Grid interconnectionThe queue the project enters to connect: the regional grid operator, or the utility and public utility commission outside an RTO. | TVA Interconnection Customer PortalTennessee Valley AuthorityTVA's generator interconnection request portal (LGIP/SGIP) for the balancing area covering nearly all of Tennessee. |
| Construction stormwater permitNPDES coverage for land disturbance of one acre or more, before earthwork starts. | NPDES Stormwater Construction Permit (TNR100000) not script-checkableTennessee Department of Environment and Conservation · the agency's site blocks automated checks, so the link is as researched, not machine-confirmedTDEC Division of Water Resources page for the NPDES Construction General Permit (TNR100000) and NOI process. Old URL still live (runner status 0 was a transport failure). 2026 CGP effective Oct 1, 2026. |
| Historic preservation reviewSection 106 consultation through the State Historic Preservation Office when a federal permit, federal funding or federal land is involved; many states add their own review on state land. | Section 106 Review not script-checkableTennessee Historical Commission · the agency's site blocks automated checks, so the link is as researched, not machine-confirmedSHPO Section 106 project review submission guidance and requirements. Old URL still live (runner status 0). Submissions go through the e106 portal. |
| Wildlife and habitat reviewThe state wildlife agency's project screening or natural-heritage data request; federal species go through USFWS IPaC. | Environmental Review (Natural Heritage data) not script-checkableTennessee Department of Environment and Conservation, Division of Natural Areas · the agency's site blocks automated checks, so the link is as researched, not machine-confirmedNatural Heritage Program rare species/habitat data review requests for project screening (TWRA is consulted separately for wildlife impacts). Old URL still live (runner status 0). Describes the TDEC-DNA Environmental Review Tool and Rare Species Data Viewer. |
| State road access and utility permitsA driveway onto a state highway, and a gen-tie or cable in state right of way. | Highway Entrance Permits not script-checkableTennessee Department of Transportation · the agency's site blocks automated checks, so the link is as researched, not machine-confirmedAccess/driveway (highway entrance) permits for connections to state routes. |
| Floodplain (state NFIP coordinator)Local floodplain development permits are county or city; the state coordinator lists who administers them. | National Flood Insurance Program not script-checkableTennessee Emergency Management Agency · the agency's site blocks automated checks, so the link is as researched, not machine-confirmedConfirm the current NFIP State Coordinator office with FEMA Region 4; the coordinator has sat in different Tennessee agencies over time. |
| Water rights and wellsConstruction water, dust control and O&M wells: the state engineer, water board or environmental agency. | Well Water not script-checkableTennessee Department of Environment and Conservation · the agency's site blocks automated checks, so the link is as researched, not machine-confirmedTDEC Division of Water Resources well permitting and driller licensing; withdrawals over 10,000 gpd also register under the Water Resources Information Act. |
| Property-tax incentive programState abatement or exemption programs for renewable generation, where one exists. | Certified Green Energy Production Facilities not script-checkableTennessee Department of Environment and Conservation (with Comptroller of the Treasury) · the agency's site blocks automated checks, so the link is as researched, not machine-confirmedTDEC certification that qualifies wind/solar facilities for reduced property-tax valuation under Tenn. Code Ann. 67-5-601. |
Federal portals (the same in every state)
| Approval | Where to go |
|---|---|
| Clean Water Act Section 404 / Rivers and Harbors Act Section 10 | U.S. Army Corps of EngineersRegulatory Request System: applications, pre-application meetings and jurisdictional determinations; the district office is by watershed. |
| Endangered species and critical habitat | U.S. Fish and Wildlife ServiceIPaC: official species list and the Section 7 consultation path for the project footprint. |
| Tall structures (wind turbines, met towers) | Federal Aviation AdministrationForm 7460-1 notice through OE/AAA before construction above the 14 CFR 77.9 heights. |
| Construction stormwater where EPA is the permitting authority | U.S. EPAEPA's Construction General Permit (NeT eNOI) in New Mexico, Massachusetts, New Hampshire, D.C., Indian country and the territories. |
| Projects on federal land | Bureau of Land ManagementRight-of-way applications and NEPA documents for BLM-managed land. |
| Transmission and wholesale market rules | Federal Energy Regulatory CommissionOrder No. 2023 cluster-study reforms, followed by every FERC-jurisdictional transmission provider, RTO or utility; ERCOT has its own process. |
County and city pages for Tennessee
From the nationwide permit finder; counties and cities issue most land-use approvals, so start with the jurisdiction that covers the parcel.
- Tennessee — Construction stormwater permit (State): Tennessee environmental authority. Start with this agency for the linked water program. Check construction stormwater, wastewater and water-quality approvals separately; this link does not cover every environmental permit.
- Tennessee — local government contacts (City & local): USAGov. Select your state in the national directory, then locate the responsible local government. Confirm municipal boundaries and any separate fire, drainage, water or other district authority.
Other states
How this list is made. Each link was found on the agency's own site and is re-checked by a script that loads it and records the date; a link that stops answering is shown without a link rather than dropped. Programs change with each legislative session: confirm fees, forms and thresholds on the agency page before filing. General information, not legal advice. How we check our data · Report an error.