Customer Support

Solar Generation Request for Proposals

We will seek utility-scale solar near our Sherburne County (Sherco) Generating Station in Becker, Minnesota. 

We will accept proposals that provide the opportunity to acquire projects of at least 75 MW that can interconnect to the transmission infrastructure at the Sherco site. The addition of approximately 500 MW of solar power near the Sherco site is part of our proposal to jump-start the economy by creating jobs and speeding the clean energy transition while keeping bills low.

Bid Submission Deadline

All proposals will be accepted until 5:00 p.m. Central Time on Feb. 2, 2021. All proposals must be transmitted electronically, via email, to the RFP Project Manager.

Any proposals, or documents included therein, that exceed 35 MB in size, shall be transmitted upon request to the RFP Project Manager, via a secure upload to the XpressDRIVE File Exchange.

Proposals received later than the due date and time indicated will be rejected and returned unopened unless the Company determines, at its sole discretion, to consider such proposals.

Each proposal submitted must be a complete and electronically signed original proposal. If a bidder submits multiple RFP project proposals, they must all be clearly marked and differentiated.

Please refer to the RFP document for explicit and complete instructions regarding submittal of bids.

Estimated Schedule

This schedule is subject to change:

RFP Issued January 4, 2021
Bidder deadline to submit questions January 15, 2021
Responses to bidder questions posted January 22, 2021
Bids due, 5 p.m. CT February 2, 2021
Bid evaluation and selection February 22, 2021
Contract negotiation complete March 15, 2021

Additional Information

Prior to submitting a proposal, please review all files below in the Documents section. These documents include detailed instructions and requirements needed to develop and submit a proposal. Inquiries about this RFP will be accepted only by email to

Please be informed that updated versions of the Sherco Solar RFP Document (PDF) and Appendix A: Solar Purchase & Sale Term Sheet (DOCX) were uploaded on January 5, 2021. Please make sure to use the latest versions of these documents when preparing your proposals.


Sherco Solar RFP Document (PDF)

Appendix A: Solar Purchase & Sale Term Sheet (DOCX)

Appendix B: Solar Farm Technical Specifications (PDF)

Appendix C: Template Subcontractor Plan (PDF)

Appendix D: Point of Interconnection Map (PDF)

Appendix E: Bidder Forms (XLSX)

Addendum 1 (PDF)

Addendum 2 (PDF)

Addendum 3 - FAQs (PDF)

Communication Protocol and Frequently Asked Questions

The primary point of contact for all bidder communications related to the RFP is the RFP Project Manager. The RFP Project Manager may be contacted at

Information regarding the Sherco Solar RFP will not be provided via telephone inquiries or inquiries from any email other than to/from the RFP Project Manager. 

Potential bidders are advised to periodically check the FAQ on this webpage for updated information. Potential bidders may receive an emailed copy of any FAQ updates as soon as they have been completed if they provide their contact information to the RFP Project Manager at the email address above and ask to be placed on the FAQ mailing list.

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