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Investor-owned utility

Xcel Energy (Minnesota) interconnection application

Xcel Energy (Minnesota) is an investor-owned utility serving 1,420,807 residential customers in Minnesota, North Dakota, South Dakota (EIA-861, 2025). Applications: Own online portal (Xcel Energy Minnesota DER Interconnection Portal). Gridpol files Xcel Energy (Minnesota) 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 Xcel Energy (Minnesota)’s official sources (see below). Xcel's actual simplified fee not confirmed (MN DIP max $100). ND/SD customers follow different state processes.

Xcel Energy (Minnesota) at a glance

Utility

Northern States Power Co - Minnesota (Xcel Energy)

Type

Investor-owned utility

EIA utility ID

13781

Residential customers

1,420,807 (EIA-861, 2025)

Net-metered residential customers

16,190 (EIA-861, 2025)

Service territory

52 counties in Minnesota, 5 counties in North Dakota, 10 counties in South Dakota

How to apply

Own online portal – Xcel Energy Minnesota DER Interconnection Portal · official link

Who submits

Installer/developer acts as Application Agent; Interconnection Customer (system owner) and Application Agent are separate roles with different email addresses; customer e-signs documents in the portal. ND/SD use separate state processes (SD DG manual).

Export compensation

NEM – Minnesota net metering (Uniform Statewide Contract)
<40 kW: credit at average retail utility energy rate per MN Stat. 216B.164

Review time (official)

Simplified track (business days): completeness review 10 (5 for re-reviews); initial review 20 from complete application; applicant signs IA within 30; Xcel countersigns 5; document review + witness test scheduling 10. Witness test and meter install scheduled within 10 business days of document approval.

Documents Xcel Energy (Minnesota) asks for

  • Interconnection application formPortal action items: Contact Information, System Details, Application Details Gridpol prepares this.
  • Customer signatureeSignatures step (customer + installer)
  • Single-line diagram (one-line)Single-line diagram uploaded in 'Prepare Documents' Gridpol prepares this.
  • Site plan / site layoutDrawn by us from your roof sketch or photos: array, inverter, battery, disconnect, meter and main panel locations. Gridpol prepares this.
  • Inverter spec sheetSpec sheet for DER generator/inverter; certified (UL 1741) for Simplified
  • Battery spec sheet (when applicable)Exhibit B details input required for applications with storage; energy storage attestation forms may be required
  • Other utility-specific document (when applicable)Proof of site control (MN DIP 1.7) if applicable
  • Final inspection sign-offCertificate of Completion / Final Electrical Inspection upload before metering
  • Proof of insurance (when applicable)Proof of insurance action item in Design & Construction
  • Net metering / net billing agreementUniform Statewide Contract for simplified, net-metering-eligible systems

How the Xcel Energy (Minnesota) process runs

  1. Installer initiates application in Xcel MN DER portal (contact info, system details, application details, Exhibit B if storage)
  2. eSignatures and payment of fee
  3. Upload engineering documents (SLD, site plan, spec sheets)
  4. Completeness review (10 BD) → Initial review (20 BD)
  5. Sign Interconnection Agreement / Uniform Statewide Contract; Xcel countersigns
  6. Install; upload Certificate of Completion/Final Electrical Inspection, insurance, installation details
  7. Email MNElectricMeterScheduling@xcelenergy.com to schedule meter install + witness test within 10 BD of approval
  8. Witness test passed = PTO (PTO email to customer and agent); no export before PTO

Fees

FeeApplies toNote
up to $100Simplified Process (certified inverter-based ≤20 kW)MN DIP maximum; Xcel actual fee not confirmed
up to $100 + $1/kW (certified) / $100 + $2/kWFast TrackMN DIP template maximum
$300Optional pre-application reportresults in 15 business days

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

Size levels and limits

LevelUp toNote
Simplified20 kWcertified inverter-based
Fast Track5000 kWper MN DIP
Study10000 kWMN DIP ≤10 MW
Net metering cap40 kW

Track assigned by size and residential/commercial meter status. <40 kW net metered at average retail utility energy rate (MN Stat. 216B.164); larger up to 1 MW other compensation.

Storage, EV and stamps

Battery storage

Storage applications must complete Exhibit B details in the portal (MN DIP); size counts by nameplate/export per MN DIP. Energy storage attestation may be required.

Common issues the utility lists

  • Application placed On Hold when revised/additional documents needed
  • Name/location on proof of site control not matching application
  • Interconnection Customer and Application Agent using the same email
  • Exporting before PTO → system removed from service

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

Sources

Other utilities in Minnesota

All Minnesota 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