Community Solar Programs in Tennessee

Community solar programs allow households and businesses to access solar-generated electricity without installing panels on their own property — a significant distinction in a state where roof ownership, structural constraints, and lease arrangements often block direct installation. This page covers how community solar is structured in Tennessee, the regulatory framework governing it, the subscription and virtual net metering models in use, and the decision thresholds that determine when community solar is or is not the appropriate path for a given electricity consumer.

Definition and scope

Community solar refers to shared solar arrays — typically ground-mounted or large rooftop installations — whose output is allocated to multiple subscribers who receive bill credits proportional to their share of the system's generation. The model is formally distinct from rooftop solar ownership: the subscriber does not own equipment and does not receive a physical electricity feed from the array. Instead, credits are applied against utility bills.

In Tennessee, the dominant intermediary for community solar is the Tennessee Valley Authority (TVA), the federally chartered utility corporation that supplies wholesale power to 153 local power companies (LPCs) across the state. TVA's program structure, pricing mechanisms, and eligibility rules therefore govern community solar access for most Tennessee residents and businesses — not state legislation alone. The Tennessee Regulatory Authority (TRA) oversees retail utility relationships for investor-owned utilities, but TVA's service territory — covering all or part of 7 states — operates under federal jurisdiction, not TRA authority.

For a grounding in the broader Tennessee solar energy landscape, the scope of community solar must be understood within TVA's wholesale framework rather than through the lens of state-level net metering statutes that apply in investor-owned utility (IOU) territories.

Scope boundary: This page addresses community solar programs within Tennessee's TVA service territory. It does not cover community solar in portions of Tennessee served by investor-owned utilities subject to TRA regulation, nor does it address federal tax equity structures, Securities and Exchange Commission registration requirements for solar subscription instruments, or community solar programs operating in adjacent states under different regulatory regimes.

How it works

Community solar in Tennessee operates through TVA's Green Power Switch Generation Partners program and, more directly, through TVA's Solar Share program, which launched to allow LPCs to offer shared solar subscriptions to end customers.

The operational sequence follows these discrete phases:

1. Array development and interconnection — A TVA-authorized developer or LPC constructs a shared solar array. The facility interconnects at the distribution or transmission level following TVA's interconnection standards and NERC reliability requirements.
2. Subscription allocation — Available capacity is divided into blocks, typically sized in kilowatts (kW). Residential subscribers often take 1–5 kW blocks; commercial subscribers may take larger tranches.
3. Generation metering — The array's output is metered at the facility level. Each subscriber's proportional share of monthly generation (in kilowatt-hours, kWh) is calculated.
4. Bill credit application — Credits are applied to each subscriber's LPC electricity bill. The credit rate is determined by TVA's avoided-cost methodology and the LPC's rate structure — not by retail electricity rates in most cases.
5. Subscription management — Subscribers may add, reduce, or transfer capacity subject to program minimums and waiting list constraints. Tennessee's community solar programs do not universally guarantee portability between LPC service territories.

For a detailed technical explanation of generation, inverter function, and grid interaction, see How Tennessee Solar Energy Systems Work.

Common scenarios

Scenario 1: Renter or condo occupant
A renter in Nashville cannot install rooftop panels without landlord consent and property ownership. A community solar subscription through Nashville Electric Service (NES) — an LPC in the TVA network — allows the renter to receive generation credits tied to their account. If the renter relocates, the subscription is subject to program transfer rules.

Scenario 2: Shaded or structurally unsuitable roof
A homeowner with heavy tree coverage or an aging roof assessed as unsuitable for panel attachment (see Roof Assessment for Solar Installation in Tennessee) can subscribe to a community array and receive credits without structural modification.

Scenario 3: Small business with leased commercial space
A business operating in leased retail or office space with no rooftop control can subscribe to a commercial-tier community solar block. Bill credits offset operational electricity costs without capital expenditure on equipment.

Scenario 4: Agricultural or rural property
A farm operation with high daytime electricity demand may supplement agricultural solar installations with community solar subscriptions to cover load that on-site generation cannot reach.

Decision boundaries

Community solar is appropriate when one or more of the following conditions is true:

• No ownership or long-term control over a suitable installation surface exists
• Roof structural assessment disqualifies on-site mounting
• Capital expenditure for owned systems is not feasible and leasing is not preferred (see Solar Lease vs. Purchase in Tennessee)
• The electricity account is within an LPC territory that actively offers a Solar Share or equivalent program

Community solar is not the preferred path when:

• Owned rooftop or ground-mount capacity is available and the federal Investment Tax Credit (currently 30% under the Inflation Reduction Act, per IRS Form 5695 guidance) applies to owned systems but not to subscriptions
• Long-term occupancy is uncertain and subscription transfer terms are restrictive
• The LPC serving the property has a waitlist or has closed enrollment — a condition that varies by service territory

Community solar vs. rooftop ownership — key contrast:

The regulatory context for Tennessee solar energy systems — including TVA's wholesale tariff structures and LPC compliance obligations — directly shapes which community solar options are legally available, at what credit rates, and to which subscriber classes.

Permitting for community solar arrays falls on the project developer, not the subscriber. Arrays are subject to local zoning ordinances, Tennessee Department of Environment and Conservation (TDEC) stormwater and land disturbance permits for ground-mounted systems, and TVA interconnection review. Individual subscribers bear no permitting obligation.

Safety classification at the array level follows National Electrical Code (NEC) Article 690 for photovoltaic systems as codified in NFPA 70 (2023 edition, effective January 1, 2023) and OSHA 29 CFR 1910.269 for electrical work on high-voltage installations — standards enforced at the developer and contractor level.

References

• Tennessee Valley Authority — Solar Share and Green Power Switch
• Tennessee Regulatory Authority (TRA)
• IRS Form 5695 — Residential Energy Credits (Investment Tax Credit guidance)
• NERC Reliability Standards
• National Electrical Code (NEC) Article 690 — NFPA 70, 2023 Edition
• OSHA 29 CFR 1910.269 — Electric Power Generation, Transmission, and Distribution
• Tennessee Department of Environment and Conservation (TDEC)