Louisiana interconnection applications
38 electric utilities serve Louisiana (EIA-861, 2025): 4 investor-owned utilitys, 12 electric cooperatives, 21 municipal utilitys, 1 public power district. Together they serve 2,119,550 residential customers; 35,971 residential customers were on net metering at year-end 2025.
Largest utilities in Louisiana
Investor-owned utility · 961,871 residential customers · Louisiana
Applications: Own online portal – Entergy Interconnection Portal
Interconnection process and documents →Investor-owned utility · 252,816 residential customers · Louisiana
Interconnection process and documents →Investor-owned utility · 473,880 residential customers · Louisiana
Applications: PowerClerk – AEP PowerClerk (DER interconnection application; register account first)
Interconnection process and documents →Investor-owned utility · 188,385 residential customers · Louisiana
Applications: Own online portal – Entergy Interconnection Portal
Interconnection process and documents →Electric cooperative · 111,329 residential customers · Louisiana
Applications: PDF + email – Standard Interconnection Agreement for Net Metering Facilities to solarapp@demco.org
Interconnection process and documents →Electric cooperative · 109,628 residential customers · Louisiana
Interconnection process and documents →Municipal utility · 60,634 residential customers · Louisiana
Interconnection process and documents →Electric cooperative · 51,187 residential customers · Louisiana
Interconnection process and documents →Electric cooperative · 40,452 residential customers · Louisiana
Interconnection process and documents →Electric cooperative · 21,354 residential customers · Louisiana
Interconnection process and documents →Municipal utility · 19,425 residential customers · Louisiana
Interconnection process and documents →Electric cooperative · 17,335 residential customers · Louisiana
Interconnection process and documents →Export compensation among the researched Louisiana utilities: Net billing, NEM. Rules differ by utility – see each utility page.
Louisiana interconnection rule
Louisiana Public Service Commission
Interconnection ruleLPSC General Order dated 09-19-2019 (Docket R-33929), Distributed Generation Rule, incl. Standard Interconnection Agreement – Distributed Generation Rules · source
Applies toLPSC-jurisdictional electric utilities: investor-owned utilities and electric cooperatives (definition of Electric Utility, La. R.S. 45:1161); not municipal utilities; Entergy New Orleans is regulated by the New Orleans City Council
Application formStatewide Standard Interconnection Agreement (Part I standard information sections 1-4 + terms) filed by each utility
TimelinesResidential: submit Standard Interconnection Agreement at least 30 business days before interconnection, 30-day review (best efforts 14 days). Commercial/community: submit at least 45 business days before, 45-day review. Customer must document date of notification (Sec. 5.2).
FeesUtility may assess greater fees or customer charges to DG customers only if authorized by the Commission after notice in a rate case or formula rate plan proceeding (Sec. 6.3). Interconnection costs for inadequate facilities per utility extension policies.
InsuranceNot addressed in the rule text reviewed.
External disconnectVisibly open, lockable, manual, clearly labeled disconnect switch accessible to utility required, unless waived by utility under Section 4 of the Standard Interconnection Agreement: waiver if inverter cannot be manually overridden and shuts down on loss of utility, manufacturer warrants it, and inverter is properly installed and inspected/tested by utility (utility discretion).
Export compensationNet billing – LPSC General Order 09-19-2019 (R-33929)
For interconnection requests/installations after 2019-12-31: customer pays full retail rate for all energy purchased, zero rate for self-consumed energy, and exports credited at the utility's avoided cost (published annually by LPSC). Earlier customers grandfathered (15 years).
Electric cooperatives are bound. Municipal utilities (e.g. Lafayette Utilities System) are not LPSC-jurisdictional and set their own policies; New Orleans follows City Council rules.
| Level | Up to | Criteria / review / fee |
|---|---|---|
| Residential distributed generation | 25 kW | Residential customer facility <=25 kW, parallel operation, primarily offsets own use · 30-day review period; utilities to use best efforts to complete within 14 days · No extra DG fees unless Commission authorizes in rate case/FRP (Sec. 6.3) |
| Commercial/agricultural or community distributed generation | 300 kW | Commercial or agricultural <=300 kW; community DG facilities · 45-day review period · As above |
- LPSC General Order 09-19-2019 (R-33929) Distributed Generation Rules: https://www.lpsc.louisiana.gov/docs/orders/GO-09-19-2019.pdf (retrieved 2026-11-13)
- LPSC Net Metering page: https://www.lpsc.louisiana.gov/Utilities_NetMetering (retrieved 2026-11-13)
All 38 utilities in Louisiana
- Entergy Louisiana961,871
- Cleco Power252,816
- SWEPCO206,984
- Entergy New Orleans188,385
- DEMCO111,329
- SLEMCO109,628
- City of Lafayette60,634
- Washington-St Tammany E C, Inc.51,187
- Beauregard Electric Cooperative, Inc.40,452
- Claiborne Electric Cooperative, Inc.21,354
- City of Alexandria19,425
- South Louisiana Electric Cooperative Association17,335
- Concordia Electric Cooperative, Inc.11,832
- Northeast Louisiana Power Cooperative Inc.11,593
- Terrebonne Parish Consol Gov't11,403
- City of Ruston10,021
- Jefferson Davis Electric Cooperative, Inc.9,366
- Panola-Harrison Electric Cooperative, Inc.8,485
- Pointe Coupee Electric Member Corporation8,254
- City of Natchitoches7,196
- City of Minden0
- Morgan City0
- City of Abbeville0
- Ashley Chicot Electric Cooperative, Inc.0
- City of Plaquemine0
- City of Rayne0
- Town of Vidalia0
- City of St Martinville0
- City of New Roads0
- City of Winnfield0
- City of Kaplan0
- Town of Welsh0
- Town of Vinton0
- City of Jonesville0
- City of Erath0
- Town of Gueydan0
- Town of Boyce0
- Vinton Public Power Authority0
Residential customers in Louisiana per EIA-861 (2025). Customer counts = bundled + delivery-only service (EIA-861 Part A + Part D). Service territory is reported by county; a county can be served by several utilities.
$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.