PSCo 2026 Solicitation of Interest for Service Proposal
PSCo is seeking natural gas treatment or firm transportation service to address gas-quality issues on its mountain southern transmission system, with treatment or supply conforming to PSCo Natural Gas Tariff specifications and in-service dates between 2028–2029 near the Tiffany Compressor Station. Proposals are due June 19th, 2026, with intent to submit required by June 5th, 2026.
Categories
Important dates
-
Submission deadline
Deadline passed
AI overview
Public Service Company of Colorado (PSCo), an operating company subsidiary of Xcel Energy Inc., is soliciting firm proposals for projects to address changes in Natural Gas Quality of supply into the PSCo mountain southern gas transmission system. Proposals must provide either natural gas treatment or firm natural gas transportation service of pipeline quality supply. The treatment or supply must conform to the limits described in the PSCo Natural Gas Tariff.
Acceptable in-service dates range from 2028 through 2029. The location of the potential treatment site is near PSCo's Tiffany Compressor Station facility. Proponents must provide notice of their intent to submit a proposal by June 5th, 2026, with formal service proposals due by June 19th, 2026.
PSCo will review all proposals and select finalists in September 2026. Following selection, PSCo will conduct discussions with finalists between December 2026 and Q1 2027 to determine the winning proposal, subject to Xcel Energy management review and approval.
Inquiries and formal proposals should be submitted to TiffanyGasSIP@xcelenergy.com. A detailed Solicitation of Interest for Service Proposal document and service proposal template are available for download.
Resources & contact
Proposal Document
View proposal documentUnlock Full Access to Utility Proposals
You're viewing past opportunities. Start a free trial to see active RFPs right now, filter by your utilities, and get real-time alerts — no credit card required.
Already have an account? Log in