Southwestern Public Service (Xcel Energy)

Not affiliated with ERCOT, the PUCT, or any utility, co-op or city utility.

Knowledge-base fields for this record: type investor-owned, grid SPP, retail choice no, coverage partial. Record checked 2026-09-28.

The 2024 EIA-861 sales file lists Southwestern Public Service Co in Texas as investor owned with balancing authority SWPP, Southwest Power Pool, service type bundled.
U.S. Energy Information AdministrationForm EIA-861 2024 final data filesChecked September 28, 2026. Knowledge base xcel-energy-texas-eia-sales-001.

The customer-count workbook behind the directory is Form EIA-861. Counts are not repeated on this page.

Solar and roofing conversations are on TexSun Solar.

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