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Investor-owned utilityKingsport Power Company d/b/a AEP Appalachian Power interconnection application
Kingsport Power Company d/b/a AEP Appalachian Power is an investor-owned utility serving 43,364 residential customers in Tennessee (EIA-861, 2025). Applications: PowerClerk (AEP PowerClerk). Gridpol files Kingsport Power Company d/b/a AEP Appalachian Power interconnection applications for licensed installers – solar, storage and EV chargers – with single-line diagram and site plan, unlimited for $500 a month.
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Process verified from Kingsport Power Company d/b/a AEP Appalachian Power’s official sources (see below). Confirmed from AEP Tennessee package. Not verified: process for >10 kW / non-inverter (contact apcodgcoordinator@aep.com), storage rules.
Kingsport Power Company d/b/a AEP Appalachian Power at a glance
Kingsport Power Co (American Electric Power (AEP))
TypeInvestor-owned utility
EIA utility ID10331
Residential customers43,364 (EIA-861, 2025)
Net-metered residential customers97 (EIA-861, 2025)
Service territory3 counties in Tennessee
How to applyPowerClerk – AEP PowerClerk · official link
Who submitsCustomer submits Form NMIN-T (directly, by email/mail or AEP PowerClerk); licensed electrician and inverter vendor must sign the form. Not a TVA distributor (AEP-supplied, TPUC-regulated IOU).
Export compensationNEM – Tariff N.M.S. (Net Metering Service Rider), T.P.U.C. Tariff No. 3 (Docket 21-00107, eff. Aug 8, 2022)
Monthly excess carried forward as kWh credit; no compensation for excess; end-of-period carryover limited to billed consumption.
Notification at least 30 days (<=25 kW) / 60 days (>25 kW) before intended interconnection; Company returns valid form or incomplete form within 30 / 60 days (Tariff N.M.S. A.1-2).
Documents Kingsport Power Company d/b/a AEP Appalachian Power asks for
- Interconnection application formForm NMIN-T Net Metering Interconnection Notification (2 pages); all sections and signatures required for valid notification Gridpol prepares this.
- Final inspection sign-offLicensed electrician signature certifying installation per manufacturer specs and NEC
- UL 1741 / IEEE 1547 certificationInverter vendor signs certifying UL1741; inverters must be UL1741 SB and IEEE 1547-2018 compliant (AEP TIIR)
- Proof of insuranceCopy of policy with notification: >= $100,000 liability for <=10 kW; >= $300,000 for >10 kW
- Single-line diagram (one-line)One-line diagram Gridpol prepares this.
- Site plan / site layoutSketch layout Gridpol prepares this.
- Other utility-specific document (when applicable)Proof of licensed electric vehicle (owned/leased) for residential limit increase to 15 kW
How the Kingsport Power Company d/b/a AEP Appalachian Power process runs
- Have all equipment needed for interconnection before notifying.
- Submit Form NMIN-T with $50 fee, insurance, one-line diagram and sketch by email/mail or aep.powerclerk.com (>=30 days before interconnection for <=25 kW).
- Company returns valid form or incomplete form within 30 days; resubmit if incomplete.
- Install with labeled lockable load-break disconnect near meter; electrician and vendor certifications.
- Leave generator OFF until APCo final review and meter exchange.
Fees
| Fee | Applies to | Note |
|---|---|---|
| $50 | Inspection fee, required with all applications | TN Net Metering Customer Package (Jan 2024) |
Utility fees are paid by the installer or customer; they are not part of the Gridpol plan.
Size levels and limits
| Level | Up to | Note |
|---|---|---|
| Residential (Tariff R.S.) | 10 kW | 10 kW AC; 15 kW AC with proof of owned/leased licensed EV |
| <=25 kW notification | 25 kW | 30-day notice |
| >25 kW | 60-day notice; contact Company before financial commitments; distribution impact conditions apply | |
| Net metering cap | 10 kW |
Annual output limited to historical annual consumption; program cap 1% of TN peak load forecast; eligible tariffs RS, SGS, MGS-Secondary, PS (no time-of-day).
Storage, EV and stamps
EV chargers
Net metering residential size limit rises from 10 kW to 15 kW AC with proof of a licensed EV owned or leased by the customer (Tariff N.M.S.). No EV load letter process found.
Common issues the utility lists
- Incomplete NMIN-T (any missing section or signature) is returned; customer must resubmit after fixing deficiencies
Gridpol’s pre-submission check covers these before we file.
Sources
- Tennessee Net Metering Service Customer Information Package (Kingsport Power, Jan 17, 2024) incl. Tariff N.M.S.: https://www.appalachianpower.com/lib/docs/business/builders/TNNetMeteringPackage2024.pdf (retrieved 2026-11-13)
- Appalachian Power - Generating Equipment (interconnection documents incl. TN Form NMIN-T): https://www.appalachianpower.com/business/builders/generating-equipment (retrieved 2026-11-13)
Other utilities in Tennessee
- Nashville Electric Service (NES)424,808
- Memphis Light, Gas and Water (MLGW)385,015
- Middle Tennessee Electric (MTE)311,520
- Knoxville Utilities Board (KUB)196,674
- EPB (Electric Power Board of Chattanooga)164,914
- Volunteer Electric Cooperative105,248
- Cumberland Electric Member Corporation101,734
- City of Clarksville77,509
- Johnson City72,729
- Duck River Electric Member Corporation71,969
$500 / month
Unlimited interconnection applications. 12-month agreement, signed online. The agreement starts the day you sign; first invoice right away, then monthly.
- Unlimited interconnection applications
- Single-line diagram and site plan for every application
- Pre-submission check against the utility’s requirements
- Homeowner e-signature link for the authorization
- Filing in your utility portal accounts or by the utility’s method
- Utility questions, corrections and resubmissions
- Follow-up through approval, inspection and PTO
- Customer list, exports, API and webhooks
Applications are typically submitted within 2 business days after complete documents. Utility review times are set by each utility.