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Connecting to our Grid

MGE's PowerClerk Application Portal Login


Please review our Customer-Owned Generation page before making a decision to invest in an electric generation system—like solar. 

If you decide to move forward with your own system, follow these steps to start the process to connect to MGE's electric grid.

The required materials include:

If your project is solar and/or storage and is 200 kilowatts (kW) or less, apply through MGE's online PowerClerk™ application portal.  

  • Create a PowerClerk account or log in to an existing account here.

Interconnections over 200 kW and all other technology types must send application and supporting documentation to mgeDGAdmin@mge.com. 

Your minimum application is defined in the table below and is based on your category.

  • The project installation address MUST be included and clearly  indicated on the check in the memo line. If it is not included, the check will be returned to you for the required information.
  • Checks must be written out to Madison Gas and Electric Company and mailed to:

    Madison Gas and Electric Company
    Attention: Cash Processing
    PO Box 1231
    Madison WI 53701-1231
  • Each installation address is considered a single request. Multiple installations cannot be combined into one check and will need to be paid per individual application.
  • Minimum application review fee

    • Effective August 1, 2024, any Interconnection Application submitted to MGE will be subject to the Application Review and Commissioning fees based on the specified category and kW as detailed in the tables below. Pursuant to Wis. Admin. Code § PSC 119 table 119.08-1, additional fees may be identified as a part of the application process. Learn more.

      Minimum Application Review Fees

      Category 

      Export Capacity 

      Minimum Application Review Fee 

      Commissioning Fee 

      1 

      1-8 kW 

      $150 

      $150 

      1 

      9-20 kW 

      $300 

      $150 

      2 

      Greater than 20 kW to 200 kW 

      $300 + $10/kW 

      $250 

      3 

      Greater than 200 kW to 1 MW 

      $2,000 + $2/kW

      $1,000 

      4 

      Greater than 1 MW to 15 MW 

      $4,000 + $0.05/kW

      $2.500 

After receiving approval from MGE, order and install your equipment. 

For residential solar and/or battery storage of 20 kW or under, MGE will review the photos submitted in your proof of completion.

For all other applications, MGE will call you to schedule an appointment for inspection, testing and interconnection. Commissioning fees are due when the system in commissioned.

For solar and battery systems under 200 kWPowerClerk will request e-signatures for the Interconnection Agreement once commissioning is complete, all fees are paid, and the insurance has been verified as up-to-date.  

For all other applications including those 200 kW and over, please fill out the following and email it to mgeDGAdmin@mge.com: 

When you receive the countersigned Interconnection Agreement, you may begin operating your system. Please note: MGE is not responsible for commencing system operation.

Electric Rates

The credits you are eligible to receive depend on the size of your system:

Contact information

If you have questions about the application or installation process, rates or systems, please contact us.

Email: mgeDGAdmin@mge.com

Mail: Administrative Support, Madison Gas and Electric, PO Box 1231, Madison, WI  53701-1231

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