XEL XCEL ENERGY INC Contract Awards 8-K Filing 2025 - Rate Increase Request On March 31, 2025, Xcel Energy's subsidiary NSP-Wisconsin requested a total electric revenue increase of $151 million over 2026 and 2027, and a natural gas revenue increase of $24 million for the same period, driven by investments in system reliability and clean energy generation.Get access to all SEC 8-K filings of the XCEL ENERGY INC