ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins75% CONFIDENCEOverall confidence: 75%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 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.[1]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.
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