References 495% CONFIDENCEOverall confidence: 95%How well the pin's source and references back up its dates.Weighted average of how firmly 4 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better
The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
- [1]95%Plant inventory or original project recordeia.gov· Posted Oct 12, 2026· Starts Jun 30, 2026 ✓· 25% of score
Documented physical milestone or dated progress/reporting marker. Period-end dates represent only the reported month/quarter; they do not invent an exact operation date. Source estimates are labelled and not treated as confirmed future opening dates.
- [2]95%Cumberland combined-cycle replacement plant — project media source
New Cumberland natural-gas plant construction, photographed July 16, 2025. This is the new plant, not the existing coal plant’s control room.[1]
- [3]95%Published project evidencesec.gov· Added Oct 12, 2026· 25% of score
TVA FY2025 Form 10-K publishes $1.8 billion spent and $312 million expected additional spending for the 1,450 MW first replacement combined-cycle plant, as of September 30, 2025. Their sum is approximately $2.112 billion. This explicitly calculated total uses published project components, not technology cost benchmarks. Equipment and prospective expenditure for a second replacement plant are excluded. Cumberland combined-cycle replacement plant: published generating capacity 1450 MW. Operator-reported electric generating capacity; not annual energy production TVA reports this first 1,450 MW plant in construction. Its June 2026 filing reports pre-commercial operation of Cumberland Units 1 and 2 during the fiscal third quarter; this is commissioning, not proof of full commercial operation.[1]
- [4]95%Published project evidencesec.gov· Added Oct 12, 2026· 25% of score
TVA reports pre-commercial operation of Cumberland Units 1 and 2 in April–June 2026.[1]
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