Vistra Corp.
VSTNYSEElectric ServicesFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 10, 2026Score 13/304% below fair value
$134.61−3.76 (-2.72%)
Close on Nov 2, 2026Market cap $45.18BP/E 22.7Yield 0.67%
Vistra Heating Degree Days — West Segment (% of Normal) by Year
Heating Degree Days — West Segment (% of Normal) (%)
Vistra Heating Degree Days — West Segment (% of Normal): 113.0% in FY2025, down 6.0 pts from a year earlier.
Latest, FY2025
113.0%
Period ended Dec 31, 2025
Change on a year earlier
-6.0 pts
119.0% in FY2024
History
6 years
Since FY2020
Sources
5
Documents cited below
Where the FY2025 figure comes from
Source: Vistra Corp. FY2025 Form 10-K (0001692819-26-000006) ↗
Seasonally disclosed in winter/spring quarters (Q1, Q2) & Full Year.
Annual history
Hover a value to see the sentence it was read from; calculated values show their formula
| Period | Ended | Heating Degree Days — West Segment (% of Normal) (%) | Year on year | Source |
|---|---|---|---|---|
| FY2025 | Dec 31, 2025 | 113.0% | -6.0 pts | Vistra Corp. FY2025 Form 10-K (0001692819-26-000006) ↗ |
| FY2024 | Dec 31, 2024 | 119.0% | -6.0 pts | Vistra Corp. FY2025 Form 10-K (0001692819-26-000006) ↗ |
| FY2023 | Dec 31, 2023 | 125.0% | +16.0 pts | Vistra Corp. FY2024 Form 10-K (0001692819-25-000013) ↗ |
| FY2022 | Dec 31, 2022 | 109.0% | -2.0 pts | Vistra Corp. FY2023 Form 10-K (0001692819-24-000012) ↗ |
| FY2021 | Dec 31, 2021 | 111.0% | +16.0 pts | Vistra Corp. FY2022 Form 10-K (0001692819-23-000005) ↗ |
| FY2020 | Dec 31, 2020 | 95.0% | – | Vistra Corp. FY2021 Form 10-K (0001692819-22-000005) ↗ |
Cite this data
StockData. (2026). Vistra Heating Degree Days — West Segment (% of Normal) (%), annual FY2020–FY2025 [Data set]. Compiled from Vistra SEC filings and investor materials. https://stockdatahq.com/stocks/vst/kpis/hdd-west-pct
See every metric in the Vistra KPI table. Data updated Nov 1, 2026.