Customer Support

Wind Generation – Request for Proposals

Seeking up to 1,500 MW

As the nation’s No. 1 utility wind energy provider, we have a great track record of working with a variety of stakeholders to bring more wind energy onto our system. Our customers count on us to provide clean, reliable and affordable energy. We sought proposals for wind generation projects that will provide our customers with low-cost energy and further diversify the energy mix that serves them. The window to participate was Sept. 22 through Oct. 25, 2016.

We’re seeking up to 1,500 megawatts of nameplate wind capacity through Power Purchase Agreements or Build-Own-Transfer agreements. All projects must have or will have an interconnection location within Midwest Independent Transmission System Operator in a state where our customers or generation resources are located including Michigan, Minnesota, North Dakota, South Dakota or Wisconsin.

How it will Work

Complete proposals were due to us by 6:00 p.m. Central Time/5:00 p.m. Mountain Time on Oct. 25, 2016. All proposals were required to be sent by express, certified or registered mail or hand delivered to the following address:

Xcel Energy Services Inc.
NSP 2016 Wind Solicitation
Attn: RFP Project Manager
1800 Larimer St, Ste. 1400
Denver, CO 80202.

Here’s our estimated schedule, which may be subject to change:

RFP issued Sept. 22, 2016
Bidder deadline to submit questions Oct. 10, 2016
Answers to bidder questions posted Oct. 17, 2016
Bid submittal deadline Oct. 25, 2016
Evaluation and selection of bids Dec. 8, 2016
Contract negotiations complete First Quarter 2017
Filing with Minnesota Public Utilities Commission First Quarter 2017

More Information

The bidding window has closed, however you can learn more by reading the RFP document and supporting material listed below in the Documents section. Inquiries about this RFP will be accepted only by email to


2016 NSP Wind RFP (PDF)
Addendum 1 – 10/4/16 Additional Transmission Cost Information Requested (PDF)

NOTE: We’re aware of issues with downloading certain documents while using Firefox. For optimal results, please try Internet Explorer, Chrome, or another web browser.

Frequently asked questions

We’ll post answers to questions we receive here and will update periodically.

Addendum 2 - 10/21/16 Frequently Asked Questions (PDF)

Energy Saving Tip

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