Mt. Carmel Public Utility Co interconnection application

Documents Mt. Carmel Public Utility Co asks for

• Interconnection application formMCPU Application for Net Metering Services (account number, AC nameplate kW, fuel, annual period anniversary month April/October, credit method 1:1 or monetary, ICC certified installer license no.) + $100 fee Gridpol prepares this.
• Interconnection application formDistributed Generation Interconnection Application per 83 Ill. Adm. Code 466 (Appendix A form; Level 1 etc.) - referenced in MCPU checklist, not posted on site Gridpol prepares this.
• Inverter spec sheet (when applicable)Inverter cut sheet/label with manufacturer, model and UL 1741 certification (if inverter-based)
• Single-line diagram (one-line) (when applicable)One-line diagram 'preferred' with every installation Gridpol prepares this.
• Proof of insuranceProof of insurance of the structure: homeowner's/property loss declaration page
• Other utility-specific documentDistributed Generation Installer Certification (83 Ill. Adm. Code 468), with installer certificate # / ICC docket #; optional installation invoice
• Interconnection agreement (when applicable)Standard DG Interconnection Agreement for Level 2, 3 or 4
• Final inspection sign-offCertificate of Completion with copy of signed local electrical inspection (or statement that no inspection jurisdiction); as-built documents for projects >10 kVA

How the Mt. Carmel Public Utility Co process runs

1. Complete MCPU Net Metering Application (+ $100 fee) and Part 466 DG interconnection application with inverter spec (UL 1741), one-line diagram and proof of insurance; send to Net Metering Department, PO Box 220, Mt. Carmel, IL 62863 or netmetering@mtcpu.com.
2. Utility review per 83 Ill. Adm. Code 466 (Level 1: completeness 7 BD, screens 15 BD); Level 2-4 also need Standard DG Interconnection Agreement.
3. Install with lockable, outdoor, visible-blade AC disconnect next to meter (other location only with MCPU permission) and 5x7 in weatherproof 'Parallel Generation Present' plaque.
4. Local electrical inspection by authority having jurisdiction.
5. Return Certificate of Completion with signed inspection form (as-built docs >10 kVA) and Distributed Generation Installer Certification.
6. MCPU decides on witness test, signs Certificate of Completion = final approval; no interconnected operation before MCPU acceptance.

Fees

Utility fees are paid by the installer or customer; they are not part of the Gridpol plan.

Size levels and limits

Rider NM eligibility per 220 ILCS 5/16-107.5 (Eligible Customer / Eligible Renewable Electrical Generating Facility).

Common issues the utility lists

• AC disconnect not next to meter without MCPU permission (relocation at customer expense)
• Circuit breaker used as AC disconnect (knife-blade visible-gap switch required)

Gridpol’s pre-submission check covers these before we file.

Sources

• Mt. Carmel Public Utility - Renewable Energy / Net Metering (Rider NM, forms, netmetering@mtcpu.com): https://www.mtcpu.com/residential/renewable-energy-net-metering (retrieved 2026-11-13)
• MCPU Checklist of Items for a Distributed Generation Installation under Net Metering: https://www.mtcpu.com/files/5cd49775a9276861512534.pdf (retrieved 2026-11-13)
• MCPU Application for Net Metering Services ($100 fee): https://www.mtcpu.com/files/6759b1a025553336461768.pdf (retrieved 2026-11-13)
• MCPU Distributed Generation Installer Certification (83 Ill. Adm. Code 468): https://www.mtcpu.com/files/5cd1d86196647186301408.pdf (retrieved 2026-11-13)
• MCPU Certificate of Completion: https://www.mtcpu.com/files/5d8e6b6ba864b329047948.pdf (retrieved 2026-11-13)
• MCPU Net Metering Tariff Rider NM (scanned): https://www.mtcpu.com/files/6759c7c241284969145969.pdf (retrieved 2026-11-13)
• 83 Ill. Adm. Code 466.90 Level 1 Expedited Review: https://www.law.cornell.edu/regulations/illinois/Ill-Admin-Code-tit-83-SS-466.90 (retrieved 2026-11-13)
• 83 Ill. Adm. Code 465.35 Net Metering Application and Enrollment: https://www.law.cornell.edu/regulations/illinois/Ill-Admin-Code-tit-83-SS-465.35 (retrieved 2026-11-13)