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Investor-owned utility

North Central Power Co interconnection application

North Central Power Co is an investor-owned utility serving 5,063 residential customers in Wisconsin (EIA-861, 2025). Gridpol files North Central Power Co 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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Partly researched from official sources. verify on first project: no utility-specific interconnection page found; confirm submission channel, fee, net metering/buyback tariff and storage rules with the utility.

North Central Power Co at a glance

Utility

North Central Power Co Inc

Type

Investor-owned utility

EIA utility ID

13697

Residential customers

5,063 (EIA-861, 2025)

Net-metered residential customers

50 (EIA-861, 2025)

Service territory

5 counties in Wisconsin

Who submits

Per PSC: contact the utility to obtain its application and interconnection agreement forms and submit directly to the utility. Utility-specific channel not found online.

Review time (official)

PSC 119 timelines (not extracted).

Documents North Central Power Co asks for

  • Interconnection application formWisconsin Standard DG Application Form 6031 (PSC 119) Gridpol prepares this.
  • Other utility-specific documentSolar PV Supplement; Energy Storage Supplement if battery
  • Single-line diagram (one-line)PSC 119 one-line diagram Gridpol prepares this.
  • Site plan / site layoutPSC 119 site plan Gridpol prepares this.
  • Interconnection agreementForm 6029 (≤20 kW) or 6030 (>20 kW-15 MW), signed before parallel operation

How the North Central Power Co process runs

  1. Contact utility for forms
  2. Submit Form 6031 + supplements, SLD, site plan, fee
  3. Utility completeness/engineering review per PSC 119
  4. Install; inspection/commissioning
  5. Sign Form 6029/6030 interconnection agreement before parallel operation

Size levels and limits

LevelUp toNote
Category 120 kWPSC 119
Category 2200 kW
Category 31000 kW
Category 415000 kW

PSC 119 applies to DG ≤15 MW

Storage, EV and stamps

Battery storage

PSC Energy Storage Supplement to Form 6031 applies.

Sources

Wisconsin interconnection rule

Commission

Public Service Commission of Wisconsin

Interconnection rule

Wis. Admin. Code ch. PSC 119 (implements s. 196.496, Stats.) – Rules for Interconnecting Distributed Generation Facilities · source

Applies to

All electric public utilities (investor-owned and municipal utilities, which are public utilities under ch. 196) for DG facilities <=15 MW on their distribution systems. Electric cooperatives are not public utilities under ch. 196 and are not covered.

Application form

Statewide standard forms: Form 6031 Wisconsin Standard Distributed Generation Application (+ technology supplements: solar PV, wind, energy storage, generator, change of ownership); Form 6029 Interconnection Agreement (<=20 kW), Form 6030 (20 kW-15 MW); pre-application Forms 6032/6033 (all dated 2024-05-01)

Timelines

Utility furnishes guidelines and standard form within 5 working days of request; completeness notice within 10 working days of application + fee; application review within 10 working days of completeness (if no engineering review needed, applicant may install); applicant has 15 working days to accept engineering review estimate; engineering review 10/15/20/40 working days for Cat. 1/2/3/4; distribution study 10/15/20 working days (Cat. 1-3). Modifications: advance notice 20/40/60 working days; utility response 20/40/60/60 working days or deemed approved.

Fees

Table PSC 119.08-1: Cat. 1 $150 (1-8 kW) or $300 (9-20 kW); Cat. 2 $300 + $10/kW; Cat. 3 $2,000 + $2/kW; Cat. 4 $4,000 + $0.50/kW; engineering review and distribution study cost-based; commissioning fee $150/$250/$1,000/$2,500. Utility may waive.

Insurance

Minimum liability insurance per occurrence: Cat. 1 $300,000; Cat. 2 $1,000,000; Cat. 3 $2,000,000; Cat. 4 negotiated. Cat. 2-4 must name the utility as additional insured. Alternative financial responsibility by mutual agreement.

External disconnect

Utility may require a lockable, visible-break interconnection disconnect switch opening all ungrounded poles, accessible at all times and labeled 'Interconnection Disconnect Switch' (PSC 119.20(3)-(4)); one-line diagram and site plan must show the switch location.

Export compensation

Utility-specific – No statewide net metering statute; PSC-approved parallel generation / net metering tariffs of each utility
PSC: net metering available to customers of investor-owned and municipal utilities below a utility-specific size threshold; buyback rates set in each utility's parallel generation tariff.

Not bound by the rule

Municipal utilities are bound by PSC 119 and file PSC-approved tariffs. Electric cooperatives are not PSC-regulated public utilities and set their own interconnection and net metering/buyback policies.

Other utilities in Wisconsin

All Wisconsin utilities →

Gridpol Unlimited

$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
Get started

Applications are typically submitted within 2 business days after complete documents. Utility review times are set by each utility.

Get started – $500/month unlimited