RFP Documents

Request for Proposals (RFP) for Distributed Energy Resource Management Systems (DERMS)

Big Rivers RFP Schedule

Task/Activity

Dates

RFP Issued

December 2, 2025

Intent to Submit Proposals Deadline

December 12, 2025

Vendor Demonstrations

January 16, 2026

Final Date for RFP Question Submittal

January 28, 2026

Big Rivers Responses to Written Questions

February 6, 2026

Proposal Submission Deadline

February 13, 2026

Analysis of RFP Responses

February 13, 2026 – March 31, 2026

Notification of Shortlisted Responses

April 1, 2026

Final Selection

May 1, 2026

Execution of Contract

May 4, 2026

Bidder/Stakeholder
Questions and Responses

Responses to all relevant questions submitted will be provided below.

Relevant questions and responses related to the Request for Proposals (RFP) for Distributed Energy Resource Management Systems (DERMS) will be posted on this page. 

Yes, as long as they are relevant to the RFP.

Responses to questions will be provided as soon as practical. Response times will vary depending upon the complexity of the question.

Big Rivers’ first device type will be smart thermostats. Beyond that, it will be an alloftheabove approach: batteries, electric vehicle chargers, water heaters, CVR, irrigation pumps. 

Big Rivers has not discussed distribution grid modeling, but may consider it in the future. 

There are no current DER programs. 

No legacy DERMS system in use. 

There will likely be five to eight Big Rivers employees in the initial demo.

Big Rivers will attempt to schedule vendor demonstrations at a time that works for all parties. Bidders may suggest a few dates, and Big Rivers will schedule accordingly.  

Big Rivers prefers to hold vendor demonstrations virtually for scheduling simplicity; however, if onsite demonstrations are mandatory, Big Rivers will attempt to accommodate. Big Rivers would like to keep demonstrations limited to one hour. 

Big Rivers’ primary objective is to balance curtailable load with some customer choice options. 

Big Rivers’ primary objective is to balance curtailable load with some customer choice options. Big Rivers needs to understand OEM optionality to better design program offerings. 

Big Rivers currently plans to facilitate and dispatch all demand response programs. 

Big Rivers initial intent is to be responsible for marketing programs to enduse members. If there is a vendor solution, Big Rivers is open to that option.

Big Rivers initially plans to have around 15 to 25 events per year: 5 to 7 events in the summer and winter and 3 to 5 events in the spring and summer, with each having a 4-hour duration. 

Yes, there are some zip codes that Big Rivers does not have 100% coverage.