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Investor-owned utilityUMERC (We Energies) interconnection application
UMERC (We Energies) is an investor-owned utility serving 33,339 residential customers in Michigan (EIA-861, 2025). Applications: PDF + email (UMERC-We Energies Central Group). Gridpol files UMERC (We Energies) 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 UMERC (We Energies)’s official sources (see below). Application fees for Level 1-3 not shown; check procedures PDF.
UMERC (We Energies) at a glance
Upper Michigan Energy Resources Corp. (WEC Energy Group)
TypeInvestor-owned utility
EIA utility ID60631
Residential customers33,339 (EIA-861, 2025)
Net-metered residential customers91 (EIA-861, 2025)
Service territory10 counties in Michigan
How to applyPDF + email – UMERC-We Energies Central Group · official link
Who submitsCustomer and installer jointly responsible; submit Michigan Interconnection Application by email, mail (PO Box 2046, Milwaukee WI 53201) or fax. Contact UMERC-WE-CustomerGen@we-energies.com, 414-221-2377.
Export compensationNet billing – PG-1AM / Michigan DG
Verify current Michigan DG tariff.
Completeness and impact-study determination within 10 business days of new/revised application.
Documents UMERC (We Energies) asks for
- Interconnection application formMichigan Interconnection Application form Gridpol prepares this.
- Other utility-specific documentSupplemental form by generation type
- Interconnection agreementUtility agreement signed by the customer, usually after review.
- Proof of insurance (when applicable)Liability insurance per Rule 460.986 for Level 3-5
How the UMERC (We Energies) process runs
- Submit application + supplemental form.
- Completeness review (10 business days); agreement if no study.
- Impact/facilities studies if required.
- Install within agreed timeframe; notify completion.
- System testing, meter, operation.
Fees
| Fee | Applies to | Note |
|---|---|---|
| $300 | Pre-application report (required Level 4-5, optional otherwise) |
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 |
|---|
Michigan MIXDG levels (procedures approved U-21479).
Sources
- We Energies Customer-owned generation - Michigan (UMERC): https://www.we-energies.com/services/mi-customer-owned-generation (retrieved 2026-11-13)
Other utilities in Michigan
$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.