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Investor-owned utilityLG&E interconnection application
LG&E is an investor-owned utility serving 388,146 residential customers in Kentucky (EIA-861, 2025). Applications: PDF + email (LG&E/KU Net Metering group). Gridpol files LG&E 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 LG&E’s official sources (see below).
LG&E at a glance
Louisville Gas & Electric Co (PPL Corporation)
TypeInvestor-owned utility
EIA utility ID11249
Residential customers388,146 (EIA-861, 2025)
Net-metered residential customers3,337 (EIA-861, 2025)
Service territory9 counties in Kentucky
How to applyPDF + email – LG&E/KU Net Metering group · official link
Who submitsApplications can be completed by a 3rd party contractor; submit by email (faster) or mail.
Export compensationNet billing – Rider NMS-2
Dollar credit $0.07089/kWh for all exports (LG&E tariff).
Level 1: 20 business days; Level 2: 30 business days (tariff).
Documents LG&E asks for
- Interconnection application formLevel 1 (tariff Sheet 108.5) or Level 2 (Sheet 108.6) Gridpol prepares this.
- Single-line diagram (one-line)1-line electrical drawing Gridpol prepares this.
- Site plan / site layoutExact locations of AC disconnect(s), inverter, main panel/point of connection Gridpol prepares this.
- Inverter spec sheetManufacturer inverter specification
- Proof of insurance (when applicable)General liability insurance; proof on request
How the LG&E process runs
- Review requirements; choose Level 1/2 application.
- Email application + 3 attachments to net.metering@lge-ku.com.
- Approval notice.
- Install (local inspections); utility may inspect/witness test.
- Notify net.metering@lge-ku.com of completed installation.
- Utility orders and installs net meter; service begins.
Fees
| Fee | Applies to | Note |
|---|---|---|
| $0 | Level 1 | |
| $100 | Level 2 inspection/processing (non-refundable) | plus up to $1,000 for initial impact study 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 | 45 kW | UL 1741/IEEE 1547 inverter meeting screens |
| Level 2 | 45 kW | other |
| Net metering cap | 45 kW |
NMS-2 max 45 kW.
Storage, EV and stamps
Battery storage
Application asks battery power rating in kW (not kWh).
Common issues the utility lists
- Incomplete application / missing the 3 required attachments
- Battery rating given in kWh instead of kW
Gridpol’s pre-submission check covers these before we file.
Sources
- LG&E and KU Net metering: https://lge-ku.com/net-metering (retrieved 2026-11-13)
- LG&E electric tariff (KY PSC): https://psc.ky.gov/tariffs/Electric/Louisville%20Gas%20and%20Electric%20Company/Tariff.pdf (retrieved 2026-11-13)
Other utilities in Kentucky
- KU454,021
- Duke Energy140,950
- Kentucky Power130,322
- South Kentucky Rural E C C65,346
- Owen Electric Cooperative Inc.65,069
- Blue Grass Energy Cooperative Corporation61,870
- Warren Rural Electric Cooperative Corporation61,500
- Salt River Electric Cooperative Corporation54,002
- Jackson Energy Cooperative Corporation49,590
- Kenergy Corporation47,514
$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.