ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins73% CONFIDENCEOverall confidence: 73%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 from 50% to 74% confidence
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]Alliant’s current Fairfax page describes a proposed 200MW four-hour battery and expects construction to begin in 2027. This supersedes the imported 100MW headline; neither a target nor the nearby wind assets establishes completion.
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