Customer Support

Filings

Recent proposals and regulatory proceedings

Recently Filed Notices

25L-0260G:  2025 Q3 Gas Cost Adjustment ("GCA") (PDF)

25L-0259ST:  2025 Q3 Steam Cost Adjustment ("SCA") (PDF)

25A-0239E:  AL 1983-E:  2025 Q3 Electric Commodity Adjustment ("ECA") (PDF)

25A-0194E:  2026-2027 Renewable Energy Standard ("RES") Compliance Plan Application (PDF)

25AL-0185E:  AL 1982-E:  Revenue Decoupling Adjustment ("RDA")  (PDF)

25AL-0147E:  AL 1981:  Demand-Side Management Cost Adjustment - Electric ("DSMCA-E") (PDF)

25AL-0146E:  AL 1980:  Transmission Cost Adjustment ("TCA") (PDF)

25AL-0145G:  AL 1047:  Demand-Side Management Cost Adjustment - Gas ("DSMCA-G") (PDF)

25AL-0089E:  AL 1978-E Amended:  2025 Q2 Electric Commodity Adjustment ("ECA") (PDF)

25AL-0089E:  AL 1978-E:  2025 Q2 Electric Commodity Adjustment ("ECA") (PDF)

25A-0075E:  Southwest Power Pool Markets+ Market (PDF) 

25AL-0059E_Advice Letter No. 1977 (PDF)

24A-0552SEG:  Securities Application (PDF)

24A-0547E:  2025 - 2029 Distribution System Plan ("DSP") and Grid Modernization Adjustment Clause ("GMAC")  (PDF)

24AL-0827E:  AL 1975-E:  Interruptible Service Option Credit ("ISOC")  (PDF)

24AL-0522E:  AL 1974-E:  Qualifying Facilities ("QF") (PDF)

24AL-0498E:  AL 1971-E:  Off-Site Net Metering Service Credit ("OS-NMC")  (PDF)

24AL-0497E:  AL 1970-E:  Solar*Rewards Community Service ("SRCS")  (PDF)

24AL-0487E:  AL 1969-E - Renewable*Connect ("R*C")  (PDF)

24AL-0476E:  AL 1966-E - Purchased Capacity Cost Adjustment ("PCCA")  (PDF)

24AL-0433E:  AL 1963-E:  SB 24-291 - Customer Cost Caps for Distribution Upgrades (PDF)

     •  Advice Letter        •  Attachment 1 - Redlined Tariffs        •  Tariffs

            •  Motion for Alternate Form of Notice          •  Attachment 1 - Legal Notice

24AL-0377E:  AL 1960-E: Time-of-Use ("TOU") (PDF)

24AL-0376G:  AL 1038-G:  Fuel Loss and Unaccounted / Fuel Reimbursement Percentage (FL&U) (PDF)

24AL-0345E:  AL 1956-E:  Interval Data Meter Option ("IDMO") (PDF)

24AL-0307E:  AL 1954-E:  Clean Energy Plan Revenue ("CEPR") (PDF)

24AL-0282E:  AL 1953-E:  Transmission Cost Adjustment ("TCA") (PDF)

24A-0239SEG - Financing Application (PDF)

24AL-0210E:  Advice Letter 1950-E:  Remote Connections and Reconnections ("RCD") (PDF)

24AL-0200E:  Advice Letter 1949-E:  Revenue Decoupling Adjustment ("RDA") (PDF)

24AL-0152: Advice Letter 1031-G:  Amended - General Rate Schedule Adjustment - Pipeline System Integrity Adjustment (GRSA-P)  (PDF)

24AL-0124E:  Advice Letter 1045-E:  Net Metering Service ("Schedule NM") and Photovoltaic Service ("Schedule PV") (PDF)

24AL-0049G:  Advice Letter 1029-G:  2024 Phase I Gas Rate Case (PDF)

23AL- 0636G:  Advice Letter 1027-G: Distribution Extension Policy

          Advice Letter (PDF)               Tariffs - Redlined Version(PDF)               Tariffs - Clean Version (PDF)

                         Motion for Alternate Form of Notice (PDF)               Legal Notice (PDF)

23A-0600SEG:  Application to Engage in Various Financing Transactions (PDF)

23AL-0584E: Advice Letter 1941-E - 2024 Interruptible Service Option Credit ("ISOC") (PDF)

23AL-0393E:  Advice Letter 1928 - Medical Exemption Program ("MEP)

      Legal Notice (PDF)                                                 Advice Letter (PDF)                      Proposed Tariffs (PDF)

      Direct Testimony of Jason J. Peuquet (PDF)          Attachment JJP-1 (PDF)               Attachment JJP-2 (PDF)

      Motion for Alternative For of Notice (PDF)

23AL-0325G:  Advice Letter 1016 - Liquefied Natural Gas ("LNG") and Compressed Natural Gas ("CNG")

23AL-0243E:  Advice Letter 1923 - 2023 Phase II Electric Rate Case (PDF)

23AL-0123E:  Advice Letter 1918 - Economic Development Rate ("EDR") and Electric Commodity Adjustment ("ECA") (PDF)

22AL-0555E:  Advice Letter 1912 - Production Tax Credit ("PTC") Transferability (PDF) 

                      Advice Letter 1912 Amended - Production Tax Credit ("PTC") Transferability (PDF)

22AL-0530E:  Advice Letter 1906 - 2022 Electric Rate Case (PDF)

22AL-0477E:  Advice Letter 1901 - Peak Partners Rewards Program ("PPRP") (PDF)

22AL-0343E:  Advice Letter 1891 - Transportation Electrification Program Adjustment ("TEPA")  (PDF)

22AL-0295E:  Advice Letter 1890 - Special Contract Service ("Schedule SCS-7") (PDF)

22AL-0270E:  Advice Letter 1889 - Western Energy Imbalance Service Market / Southwest Power Pool, Inc. ("SPP WEIS") (PDF)

22AL-0143E:  Advice Letter 1883:  Secondary General Time-of-Use (SG-TOU)

      Advice Letter (PDF)                                                                          Motion for Alternative Form of Notice (PDF)

     Attachment A - Pilot Design & Implementation Plan (PDF)               Legal Notice (PDF)

      Tariff (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)

 

Energy Saving Tip

Rather than crank up your heat in the winter, keep your thermostat at a moderate level and bundle up. (Who doesn't love fuzzy slippers?)

Break Ground, Not the Law

Always call 811 before digging in your yard to avoid hitting buried gas or electric lines. Not only is it the safe thing to do, but it's the law.