ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins65% CONFIDENCEOverall confidence: 65%How well the pin's source and references back up its dates.Weighted average of how firmly 3 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
DTE's project page lists "Estimated operation date: Q4 2028"; EIA-860M lists 1 Aug 2028 and the linked MISO queue entry April 2028.[1]DTE Energy's proposed Au Gres Solar Park is a 175 MW (ac) solar farm in Turner and Mason Townships, Arenac County, Michigan, with an estimated operation date of Q4 2028 and enough output for about 48,948 homes; no project cost has been published.
1.00