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Investor-owned utilityAEP Ohio interconnection application
AEP Ohio is an investor-owned utility serving 1,348,588 residential customers in Ohio (EIA-861, 2025). Applications: PowerClerk (AEP PowerClerk). Gridpol files AEP Ohio 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 AEP Ohio’s official sources (see below). Official timelines and current NEMS credit details not confirmed.
AEP Ohio at a glance
Ohio Power Co (American Electric Power)
TypeInvestor-owned utility
EIA utility ID14006
Residential customers1,348,588 (EIA-861, 2025)
Net-metered residential customers13,980 (EIA-861, 2025)
Service territory53 counties in Ohio
How to applyPowerClerk – AEP PowerClerk · official link
Who submitsRegister a PowerClerk account (installer or customer). Customer name/service address must exactly match the AEP Ohio account; fee invoice goes to party named as responsible in the application.
Export compensationNEM – Net Energy Metering Service (NEMS)
Verify current credit method in tariff.
Per Ohio rules OAC 4901:1-22; not stated on AEP Ohio page.
Documents AEP Ohio asks for
- Interconnection application formFilled in by us from your project data in the utility’s portal or on its form. Gridpol prepares this.
- Site plan / site layoutHouse/buildings, generator, AEP meter and AC disconnect locations, customer name/address, installer, date, north arrow, streets/poles/transformers Gridpol prepares this.
- Single-line diagram (one-line)Legible, title block, all equipment meter-to-generator incl. wire sizes, ratings; note 3-phase transformers or state none Gridpol prepares this.
- PV module spec sheetManufacturer data sheet of the modules.
- Inverter spec sheetUL 1741 / IEEE 1547 compliance documentation
- Battery spec sheet (when applicable)Spec sheets for battery systems if installed
- Proof of insuranceProof of insurance; self-insured entities may attest
- Final inspection sign-offLocal AHJ inspection/permits; AEP does field verification
- Interconnection agreementPrepared by AEP Ohio after approval
How the AEP Ohio process runs
- Register PowerClerk account.
- Optional pre-application report ($300).
- Submit application with site diagram, one-line, spec sheets, insurance; pay invoiced fee.
- Approval; AEP prepares Interconnection Service Agreement.
- Install; AHJ inspection/permits.
- AEP field verification; meter change fee paid if applicable; bi-directional meter installed.
- Permission to Operate notification - do not operate before.
Fees
| Fee | Applies to | Note |
|---|---|---|
| $50 | Inverter-based, export capacity <=25 kW | |
| $100 + $1/kW export capacity | Level 2 and 3 | |
| $300 | Optional pre-application report per location | |
| ~$319 residential / $195 non-residential | Dual-register meter change for NEMS, actual cost, if needed |
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 |
|---|---|---|
| Level 1 | 25 kW | inverter-based, certified |
Ohio rule 4901:1-10-28 net metering sizing (about 120% of customer requirements).
Storage, EV and stamps
Battery storage
Energy storage operating in parallel must be reviewed/approved; battery spec sheets required.
PE stamp
One-line diagram must be signed and stamped by a licensed PE if the generating system is greater than 50 kW. – PE-stamped drawings are not included in Gridpol.
Common issues the utility lists
- Customer name/service address not matching AEP account
- Equipment data in application not matching spec sheets/one-line/site diagram or wrong units
- Meter collar devices not approved
- Supply-side connection outside main panel without AHJ documentation
- Generator connection inside meter base unless UL-approved meter/load-center combo
- Fee pre-payments without invoice number cause delay
Gridpol’s pre-submission check covers these before we file.
Sources
- AEP Ohio Interconnection of Generating Equipment: https://aepohio.com/builders/GeneratingEquipment.aspx (retrieved 2026-11-13)
- AEP Ohio Application Information (2026-07-23): https://www.aepohio.com/lib/docs/business/builders/Application_Information_20260723.pdf (retrieved 2026-11-13)
$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.