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Investor-owned utilityAES Indiana interconnection application
AES Indiana is an investor-owned utility serving 469,634 residential customers in Indiana (EIA-861, 2025). Applications: PowerClerk (AES Indiana Interconnection (PowerClerk)). Gridpol files AES Indiana 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 Indiana’s official sources (see below). Verified 2026-11-13 from aesindiana.com/interconnections and the Level 1 reference application (docx). Note: the reference form still names ipl.interconnection@aes.com for email submittal, while the page directs applications to PowerClerk – use PowerClerk.
AES Indiana at a glance
AES Indiana (AES Corporation)
TypeInvestor-owned utility
EIA utility ID9273
Residential customers469,634 (EIA-861, 2025)
Net-metered residential customers1,019 (EIA-861, 2025)
Service territory20 counties in Indiana
How to applyPowerClerk – AES Indiana Interconnection (PowerClerk) · official link
Who submitsCustomer is the applicant; form has contractor/installer section and the installer may submit in PowerClerk on the customer's behalf (AES Indiana Solar FAQ).
Export compensationNet billing – Rider 16 Excess Distributed Generation (EDG)
Rider 16 effective 07-27-2026.
Per AES Indiana interconnection page (170 IAC 4-4.3): completeness notice 10 business days after submission; approval decision 15 business days after completeness; inspection notice and agreement 10 business days after approval; Level 3 six months to a year.
Documents AES Indiana asks for
- Interconnection application formLevel 1 (≤10 kW certified inverter) / Level 2 / Level 3 application, completed online in PowerClerk Gridpol prepares this.
- Single-line diagram (one-line)Single-line diagram/sketch from service point to inverter: main panel, sub-panels, breaker/fuse sizes, transformers, disconnects (disconnect switch not required for Level 1) Gridpol prepares this.
- UL 1741 / IEEE 1547 certificationDocumentation that a nationally recognized testing laboratory has listed the equipment
- Proof of insuranceEvidence of homeowners/commercial insurance with ≥$100,000 comprehensive general liability and contractual liability
- Battery spec sheet (when applicable)Battery model, kWh and operating mode (backup or peak shaving) entered on form if used
- Interconnection agreementUtility sends inspection notice and agreement; customer signs and returns ≥10 business days before start date
How the AES Indiana process runs
- Create PowerClerk account and submit Level 1/2/3 application with SLD, equipment listing documentation and insurance evidence.
- AES Indiana sends completeness notice (10 business days).
- AES Indiana approves or denies (15 business days after completeness; Level 2 adds engineering review).
- AES Indiana sends inspection notice and interconnection agreement (10 business days after approval).
- Customer signs and returns agreement ≥10 business days before planned start date.
- Install; utility inspection/witness as noticed; begin parallel operation; Rider 16 EDG metering.
Fees
| Fee | Applies to | Note |
|---|---|---|
| $0 | Level 1 (0-10 kW) | |
| $60 + upgrades | Level 2 (10 kW-2 MW) | |
| $100 + $2/kW + upgrades + studies | Level 3 (>2 MW) |
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 | 10 kW | |
| Level 2 | 2000 kW | |
| Level 3 | >2 MW | |
| Net metering cap | 1000 kW |
EDG Rider 16 for systems up to 1 MW.
Storage, EV and stamps
Battery storage
Level 1 form asks battery model, size (kWh) and whether operated in backup mode or peak shaving.
Sources
- AES Indiana Interconnections: https://www.aesindiana.com/interconnections (retrieved 2026-11-13)
- AES Indiana Solar FAQs: https://www.aesindiana.com/solar-faqs (retrieved 2026-11-13)
- AES Indiana Level 1 Application for Interconnection (reference): https://www.aesindiana.com/sites/aesvault.com/files/2023-10/AES-Indiana_Level-1-DG-Application-for-Interconnection_July-1-2022.docx (retrieved 2026-11-13)
- AES Indiana Distribution Interconnection Standard (02-11-2026): https://www.aesindiana.com/sites/aesvault.com/files/2026-02/AES-Indiana-Distribution-Interconnection-Standard-02-11-2026.pdf (retrieved 2026-11-13)
Other utilities in Indiana
- Duke Energy Indiana808,572
- NIPSCO433,889
- Indiana Michigan Power (I&M)425,007
- CenterPoint Energy Indiana South134,700
- Hendricks County Rural E M C38,554
- South Central Indiana REMC35,216
- Northeastern Rural E M C31,034
- City of Anderson29,600
- Tipmont Rural Electric Member Corporation29,540
- Johnson County Rural E M C29,132
$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.