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:
- Line diagram of your system
- Refer to the Interconnection Requirements Quick Reference Guide
- Proof of insurance certificate
- Site plan
- System specifications
- Photo of your electric meter demonstrating necessary clearances
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.
- Applications to connect to MGE's electric grid must use the newly approved 6031 application form (Wisconsin Standard Distributed Generation Application Form). Any interconnection agreements must use the current version of Form 6029/6030. Please use the forms at the links provided below.
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 kW, PowerClerk 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:
- Parallel Generation (Pg-1) rate for large systems over 100 kW.
- Net Metering (Pg-2) rate for systems 100 kW and under.
- Direct Connect (DC-1) rate for PV systems connected directly to the grid.
- Parallel Generation Buyback Rates applicable to DC-1, Pg-1 and Pg-2 Net Seller customers.
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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