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 record

  eia.gov· Posted Oct 12, 2026· Starts Jun 18, 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%
  Published project evidence

  patternenergy.com· Added Oct 12, 2026· Added by@ThePinGang· 25% of score

  Published project-specific cost for SunZia Wind and Transmission: USD 1.1e+10. Basis: Combined wind-and-transmission capital investment; includes associated HVDC infrastructure.^[1]

• [3]95%
  Published project evidence

  patternenergy.com· Added Oct 12, 2026· Added by@ThePinGang· 25% of score

  Published electric generating project rating for SunZia Wind and Transmission: 3650 MW. Basis: Operator-reported electric generating capacity; not annual energy production. Project page identifies 3,650 MW wind generation separately from transmission.^[1]

• [4]95%
  Published project evidence

  patternenergy.com· Added Oct 12, 2026· Added by@ThePinGang· 25% of score

  Pattern Energy^[2][3] announced on June 18, 2026 that SunZia Wind and its associated transmission system are fully operational. The operator reports approximately 3,650 MW for the combined wind project, spanning north/south facilities; do not assign the full-project figure to each phase or count the transmission line as generation. The operator announced the overall project fully operational June 18, 2026.

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