Chart any unit, plant, technology fleet or price point on a shared time axis, then download it with its caption. MW series share one panel and prices another, so nothing ever sits on a second y-axis.
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Unit, plant and fleet series come from ERCOT's 60-day SCED and DAM disclosures, so they end about 60 days ago. Hub prices and system lambda go up to the latest loaded day. A plant is every unit at one settlement point. Hourly values are means over the hour's SCED runs (offer prices are medians), hour ending 1 to 24. How the series are built.