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Investor-owned utilityAES Ohio interconnection application
AES Ohio is an investor-owned utility serving 469,317 residential customers in Ohio (EIA-861, 2025). Applications: PowerClerk (AES Ohio Interconnection (PowerClerk)). Gridpol files AES 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 AES Ohio’s official sources (see below). Exact PTO step not described; verify on first project.
AES Ohio at a glance
Dayton Power & Light Co (AES Corporation)
TypeInvestor-owned utility
EIA utility ID4922
Residential customers469,317 (EIA-861, 2025)
Net-metered residential customers474 (EIA-861, 2025)
Service territory24 counties in Ohio
How to applyPowerClerk – AES Ohio Interconnection (PowerClerk) · official link
Who submitsOnline application in PowerClerk (customer/installer).
Export compensationNEM – Net metering (tariff D5 section D)
Review time (official)Level 1: 10 business days notice of receipt, 10 approval, 5 agreement. Level 2: 10/20/5. Incomplete application notice within 10 business days.
Documents AES 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 layoutSame content as FE-style list incl. storage and transformer Gridpol prepares this.
- Single-line diagram (one-line)DC/AC ratings, disconnect make/model, storage Gridpol prepares this.
- Inverter spec sheetIEEE 1547 / UL 1741
How the AES Ohio process runs
- Submit online application in PowerClerk.
- Completeness notice (10 business days).
- Approval notice.
- Interconnection agreement.
- Install, inspection, bidirectional meter ($95).
Fees
| Fee | Applies to | Note |
|---|---|---|
| $50 | Level 1 (0-25 kW) | |
| $50 + $1/kW + upgrades | Level 2 (25 kW-2 MW) | |
| $100 + $2/kW + upgrades + studies | Level 3 (>2 MW) | |
| $95 | Bidirectional residential meter upgrade |
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 | |
| Level 2 | 2000 kW | |
| Level 3 | >2 MW |
Size not to exceed 120% of previous year's usage (OAC 4901:1-10-28).
Storage, EV and stamps
Battery storage
Storage must be shown on site plan and one-line.
PE stamp
Only Level 2 >50 kW and all Level 3; Level 1 no PE stamp. – PE-stamped drawings are not included in Gridpol.
Sources
- AES Ohio Interconnection: https://www.aes-ohio.com/interconnection (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.