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.
Date has passed, but scientificamerican.com does not confirm it happened then; unverified.
The Department of Energy's environmental review confirms Agua Caliente as "a 290 megawatt gross output photovoltaic solar power project" in Yuma County, Arizona, though it gives no specific construction or operational date to compare against the pin's stored 8 May 2014 date.
Power Technology states the "Agua Caliente Solar farm is a 290MW photovoltaic (PV) power project" whose second phase "was completed in April 2014", about a month before the pin's stored 8 May 2014 date, corroborating both the 290MW figure and the general completion timeframe.
Something missing or wrong? Say it in your own words: a link that backs this pin up, a different start or end date and why, or a fact it lacks or gets wrong. The AI checks it against this pin's sources, searches for better ones, and adds any page that backs you up. The pin's own sources still count most.
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