Our new Economic Development Rate will offer competitive energy pricing and powerful incentives to attract large businesses and create jobs.
Learn moreSupport for proactive programs to mitigate wildfire risk in the communities we serve.
Get more informationHow we plan to promote electricity as a transportation fuel and help Colorado reach 940,000 electric vehicles by 2030.
About the 2021-2023 TEPXcel Energy is revising the reference to the third party vendor that we use to perform credit checks in the Company’s Colorado P.U.C. No. 8 – Electric Tariff
Get more informationA QSP measures our success in delivering quality gas service to customers.
Learn about this filingWe have requested to provide customers with additional options for LED street lighting.
View the requestView documents and information pertaining to the Transmission Cost Adjustment in Colorado.
Learn moreWe asked permission to revise the Energy Only Street Lighting Service tariff and Street Lighting Service Rules and Regulations.
Read the legal notice (PDF)We work with the Public Utilities Commission and other stakeholders to offer energy efficiency and conservation choices for customers
More on Colorado DSMView documents and information pertaining to renewable energy in Colorado.
Learn moreWe are building an updated and intelligent electric distribution grid that’s more resilient, reliable and secure.
Get more informationWith decoupling, instead of linking energy profits to the amount of power sold, profits are linked to the number of customers served.
Learn more about decouplingThe Tax Cuts & Jobs Act (TCJA) reduced our corporate tax rates. To flow those benefits to customers, we filed adjustments that will lower your bills.
Learn more about TCJA savingsWe proposed more than $2.5 billion in accelerated and incremental investments to support Minnesota’s economic recovery.
Learn more about the proposalWe've made two proposals to the Minnesota Public Utilities Commission to keep bills low.
View the proposalsThe proposed next phase of Renewable*Connect® will deliver more wind and solar to customers
Learn more about the 2019 filingThe pilot program in two areas of the Twin Cities may help customers save on their bills.
Learn more about the pilotWe are required to report by November 1 of each odd numbered year on the status of the transmission system, including identifying possible solutions to anticipated inadequacies in the transmission system.
Learn more and read the reportThe 2013-2015 Triennial Plan fulfills our compliance with Minnesota Statute §216B.241, subd. 2(a), requiring us to file conservation improvement program plans by June 1 of the applicable year.
More on Minnesota DSMView documents pertaining to Case No. 20-00236-UT New Mexico Finance Case.
View DocumentsThis filing is intended to give customers the opportunity to participate in programs and obtain benefits of transportation electrification.
Access the filing documentsLearn about what we are asking the commission to do as part of Roadrunner to Phantom to China Draw CCN filing.
More on this filingLearn about what we are asking the commission to do as part of the Eddy County to Kiowa CCN filing.
More on this filingLearn about what we are asking the commission to do as a part of the Hobbs to China Draw filing.
More on this filingAccess the application, testimony, and other documents around the New Mexico Renewable Portfolio Standard.
More on this filingLearn about our energy-efficiency and load management plans, reports, and other filings since 2008.
More on DSMAccess the procedural schedule and filing details for this application concerning fuel and purchased power costs before a New Mexico hearing examiner April 21, 2020.
More on this filingAccess the notice, application, direct testimony, and supplemental direct testimony as a part of the SPS Interim Report on Participation in the SPP.
More on this filingAccess the full procedural schedule for this filing, including additional details for public hearings to be held on April 5th and April 6th, 2017.
More on this filingAccess the application, direct testimony, and notice to customers as part of this filing.
More on this filingLearn about what we are asking the commission to do as a part of the filing for retirement of the Carlsbad Generating Station.
More on this filingAccess the application, direct testimony, and notice to customers as part of this filing.
More on this filingAccess the application, testimony, and other documents around the New Mexico Solar*Connect
More on this filingAccess the application, direct testimony, and notice to customers as part of this filing.
More on this filingRequesting Final Order approving the Boundary Agreement between Central Valley Electric Cooperative and Southwestern Public Service Company, in specific potions of Eddy and Lea Counties, New Mexico.
View Filing Case No 19-00211-UTThis plan discusses major generation and transmission facilities in the state of South Dakota.
More on this resource planLearn about our resource plans, including the Upper Midwest Energy Plan, which proposes to cut carbon emissions by 80% by 2030.
More on resource plansOn October 21, 2011, the South Dakota Public Utilities Commission approved our first Demand-Side Management (DSM) Plan.
More on DSMOur operating utility Southwestern Public Service Company (SPS) has developed an energy efficiency portfolio designed to meet its statutory goals consistent with the requirements in P.U.C. Subst. R. 25181.
More on DSMAccess the application and direct testimony as a part of this filing.
More on this filingLearn about our resource plans, including the Upper Midwest Energy Plan, which proposes to cut carbon emissions by 80% by 2030.
More on resource plans
21AL-0082E: Advice No. 1848 - Solar*Rewards Income-Qualified ("SRCS-IQ")
- Legal Notice (PDF) - Advice Letter (PDF)
- Proposed Tariff (PDF) - Motion for Alternative form of Notice (PDF)
21A-0071G: 2021 Pipeline System Integrity Adjustment ("PSIA") Rider Extension (PDF)
21AL-0047ST: Advice No. 163 - Credit Card Processing Fee - Steam Service (PDF)
21AL-0048E: Advice No. 1847 - Credit Card Processing Fee - Electric Service (PDF)
21AL-0049G: Advice No. 979 - Credit Card Processing Fee - Gas Service (PDF)
16A-0396E: 2016 Electric Resource Plan ("ERP")
Notice of Re-Filing Confidential and Highly Confidential Information as Public (PDF)
PSCo 2017 All Source Bid Info (PDF)
19A-0530E: 2016 Electric Resource Plan ("ERP") Amendment
Notice of Re-Filing Confidential and Highly Confidential Information as Public (PDF)
PSCo 2019 Solar RFP Bid Info (PDF)
20L-0538ST: Steam Cost Adjustment ("SCA") (PDF)
20L-0539G: Gas Cost Adjustment ("GCA") (PDF)
20L-0540E: Electric Commodity Adjustment ("ECA") (PDF)
20AL-0529E: Advice No. 1843, Interruptible Service Option Credit ("ISOC")
- Legal Notice (PDF) - Proposed Tariff (PDF)
20AL-0531E: Advice No. 1844, 2021 Qualifying Facilities ("QF") Capacity and Energy Payment Rates
- Advice Letter (PDF) - Legal Notice (PDF) - Proposed Tariff (PDF)
- Derivation of 2021 QF Capacity and Energy Payment Rate Components (PDF)
20AL-0505E: Advice No. 1840, Solar*Rewards Community Service ("SRCS") Credit
- Legal Notice (PDF) - Legal Notice Amended (PDF)
- Proposed Tariff (PDF) - Proposed Tariff Amended (PDF) - Second Amended Proposed Tariff (PDF)
- Advice Letter (PDF) - Advice Letter Amended (PDF) - Second Amended Advice Letter (PDF)
- Motion for Alternative Form of Notice (PDF)
20AL-0506E: Advice No. 1841, Renewable*Connect ("R*C")
- Legal Notice (PDF) - Proposed Tariff (PDF)
20AL-0503G: Advice No. 976, Pipeline System Integrity Adjustment ("PSIA")
- Legal Notice (PDF) - Advice Letter & Proposed Tariff (PDF)
20AL-0468E: Advice No. 1837, Purchased Capacity Cost Adjustment ("PCCA")
- Legal Notice (PDF) - Proposed Tariff (PDF)
20AL-0469E: Advice No. 1838, Clean Air - Clean Jobs Act ("CACJA")
- Legal Notice (PDF) - Proposed Tariff (PDF)
20AL-0470E: Advice No. 1839, Transmission Cost Adjustment ("TCA")
- Legal Notice (PDF) - Proposed Tariff (PDF)
20AL-0411G: Advice Letter 974, Gas Demand-Side Management Cost Adjustment ("DSMCA-G")
- Legal Notice (PDF) - Proposed Tariff (PDF)
20AL-0412E: Advice Letter 1834, Electric Demand-Side Management Cost Adjustment ("DSMCA-E")
- Legal Notice (PDF) - Proposed Tariff (PDF)
20AL-0388G: Advice Letter 972, Gas Rate Case Clean-up
- Advice Letter (PDF) - Redlined Tariff (PDF)
- Legal Notice (PDF) - Proposed Tariff (PDF)
20A-0375E: KEPCO Power Purchase Agreement ("PPA") Termination
- Application (PDF) - Legal Notice (PDF)
20AL-0364G: Advice Letter 971, Fuel Reimbursement Percentage
- Advice Letter (PDF) - Legal Notice (PDF)
20AL-0049G: 2020 Gas Phase I & II Rate Case (PDF)
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