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.
The saved date is an estimated development target, not an actual opening. The primary source describes a proposal or future construction; no completion is inferred from the elapsed target.
Construction research 2026-10-24: SPP’s exact GEN-2018-028 study identifies the 200MW Tulsa North AEP battery proposal in Tulsa County. The interconnection study and associated network-upgrade estimates do not establish physical construction or battery cost. Source quote: “GEN-2018-028 proposes to connect a 200 MW battery storage facility”
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SPP’s exact GEN-2018-028 study identifies the 200MW Tulsa North AEP battery proposal in Tulsa County. The interconnection study and associated network-upgrade estimates do not establish physical construction or battery cost.
Power storage200 MW · source
