Michigan interconnection applications
58 electric utilities serve Michigan (EIA-861, 2025): 7 investor-owned utilitys, 11 electric cooperatives, 40 municipal utilitys. Together they serve 4,457,046 residential customers; 26,849 residential customers were on net metering at year-end 2025.
Largest utilities in Michigan
Investor-owned utility · 2,078,328 residential customers · Michigan
Applications: PowerClerk – DTE Interconnection (PowerClerk)
Interconnection process and documents →Investor-owned utility · 1,662,741 residential customers · Michigan
Applications: PowerClerk – Consumers Energy PowerClerk
Interconnection process and documents →Electric cooperative · 123,277 residential customers · Michigan
Applications: PDF + email – GLE Renewables
Interconnection process and documents →Investor-owned utility · 537,980 residential customers · Michigan
Applications: PowerClerk – AEP PowerClerk
Interconnection process and documents →Municipal utility · 87,026 residential customers · Michigan
Interconnection process and documents →Investor-owned utility · 47,805 residential customers · Michigan
Applications: PDF + email – UPPCO Customer Generation
Interconnection process and documents →Electric cooperative · 36,144 residential customers · Michigan
Interconnection process and documents →Electric cooperative · 35,548 residential customers · Michigan
Interconnection process and documents →Investor-owned utility · 33,339 residential customers · Michigan
Applications: PDF + email – UMERC-We Energies Central Group
Interconnection process and documents →Electric cooperative · 32,519 residential customers · Michigan
Interconnection process and documents →Electric cooperative · 30,545 residential customers · Michigan
Interconnection process and documents →Municipal utility · 27,007 residential customers · Michigan
Interconnection process and documents →Export compensation among the researched Michigan utilities: Net billing, NEM. Rules differ by utility – see each utility page.
Michigan interconnection rule
Michigan Public Service Commission
Interconnection ruleMich. Admin. Code R 460.901a - R 460.1016 (MIXDG: Interconnection and Distributed Generation Standards) – Michigan Interconnection and Distributed Generation Standards · source
Applies toRate-regulated electric utilities (IOUs and rate-regulated cooperatives), member-regulated cooperatives (for R 460.901a-460.992), and alternative electric suppliers; not municipal utilities
Application formUtility-specific interconnection application/procedures filed with MPSC per rule (online application allowed); Commission-approved standard Level 1-3 interconnection agreement (Case U-21543)
TimelinesAcknowledge receipt by end of 3rd business day; completeness determination within 10 business days; applicant 60 business days to cure (2 submissions), utility 10 BD per resubmission (R 460.936). Fast track initial review 10 BD (Levels 1-2) / 20 BD (Levels 3-5) (R 460.946). Facilities study 80 BD (R 460.962). DG-program customers must complete installation within 6 months of complete application (R 460.1006).
FeesPre-application report <=$300; non-export and fast track $100 + $1/kWac certified or $100 + $2/kWac non-certified; supplemental review <=$1,000; study scoping <=$300; SIS <=$10,000; facilities study <=$15,000 (R 460.926). DG program application fee <=$50 (R 460.1006).
InsuranceLevel 1 and 2: utility may not require additional liability insurance or being named additional insured. Minimum general liability: Level 3 $1,000,000; Level 4 $2,000,000; Level 5 $3,000,000 (R 460.986).
External disconnectNot found in reviewed rule sections; per utility interconnection procedures.
Export compensationNet billing – MCL 460.1173 et seq. (Distributed Generation Program); R 460.1001-460.1016
DG program (inflow/outflow billing) replaced legacy net metering; outflow credited at a rate below full retail set per utility. Category sizes/caps per statute; detail not verified here.
Member-regulated cooperatives are covered by the interconnection rules (R 460.901a(v)). Municipal utilities are not covered and use their own policies.
| Level | Up to | Criteria / review / fee |
|---|---|---|
| Level 1 | 20 kW | Certified project <=20 kWac · Fast track initial review 10 business days after complete application · $100 + $1/kWac (fast track, certified); combined with DG program fee capped at $50 total for DG-program applicants (R 460.926(2)) |
| Level 2 | 150 kW | Certified project >20 to 150 kWac · 10 business days initial review · $100 + $1/kWac |
| Level 3 | 550 kW | Non-certified <=150 kWac, or >150 to 550 kWac · 20 business days initial review · $100 + $1-2/kWac |
| Level 4 | 1000 kW | >550 kWac to 1 MWac · 20 business days initial review · $100 + $1-2/kWac; pre-application report required |
| Level 5 | >1 MWac · 20 business days initial review · Study fees capped: SIS $10,000, facilities study $15,000 |
- R 460.901a Definitions A-I: https://www.law.cornell.edu/regulations/michigan/Mich-Admin-Code-R-460-901a (retrieved 2026-11-13)
- R 460.901b Definitions J-Z (levels): https://www.law.cornell.edu/regulations/michigan/Mich-Admin-Code-R-460-901b (retrieved 2026-11-13)
- R 460.926 Fees: https://www.law.cornell.edu/regulations/michigan/Mich-Admin-Code-R-460-926 (retrieved 2026-11-13)
- R 460.936 Interconnection applications: https://www.law.cornell.edu/regulations/michigan/Mich-Admin-Code-R-460-936 (retrieved 2026-11-13)
- R 460.946 Fast track initial review: https://www.law.cornell.edu/regulations/michigan/Mich-Admin-Code-R-460-946 (retrieved 2026-11-13)
- R 460.1006 DG program application and fees: https://www.law.cornell.edu/regulations/michigan/Mich-Admin-Code-R-460-1006 (retrieved 2026-11-13)
- MPSC news release 2024-07-23: https://www.michigan.gov/mpsc/commission/news-releases/2024/07/23/mpsc-takes-next-steps-in-enabling-interconnection-and-distributed-energy-resources (retrieved 2026-11-13)
All 58 utilities in Michigan
- DTE Energy2,078,328
- Consumers Energy1,662,741
- Great Lakes Energy123,277
- Indiana Michigan Power (I&M)112,973
- City of Lansing87,026
- UPPCO47,805
- Cloverland Electric Co-op36,144
- Cherryland Electric Cooperative Inc.35,548
- UMERC (We Energies)33,339
- Presque Isle Electric & Gas Cooperative32,519
- Midwest Energy Cooperative29,359
- City of Holland27,007
- Tri-County Electric Cooperative (MI)23,136
- City of Bay City17,994
- City of Marquette15,202
- Alpena Power13,754
- City of Grand Haven13,290
- Wyandotte Municipal Serv Comm11,746
- City of Traverse City10,097
- Alger-Delta Cooperative Electric Association9,837
- Xcel Energy (Wisconsin/Michigan)7,567
- Coldwater Board of Public Utility6,420
- City of Sturgis6,112
- City of Zeeland6,058
- City of Gladstone2,546
- City of Negaunee1,982
- City of Norway1,878
- City of Crystal Falls1,462
- Village of L'Anse1,342
- Village of Baraga557
- Thumb Electric Cooperative of Mich0
- Bayfield Electric Cooperative, Inc.0
- City of South Haven0
- City of Escanaba0
- City of Niles0
- Hillsdale Board of Public Wks0
- City of Petoskey0
- Ontonagon County R E A0
- City of Marshall0
- City of Charlevoix0
- City of Harbor Springs0
- Village of Chelsea0
- City of Eaton Rapids0
- City of Lowell0
- City of Dowagiac0
- City of Portland0
- City of St Louis0
- Village of Paw Paw0
- Village of Union City0
- Newberry Water & Light Board0
- City of Hart Hydro0
- Village of Clinton0
- City of Croswell0
- Village of Sebewaing0
- City of Wakefield0
- City of Stephenson0
- Village of Daggett0
- Wolverine Power Supply Cooperative0
Residential customers in Michigan 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.