The generating fleets owned by some of the largest companies in the U.S. (ranked here by capacity in 2017) have transformed over the past four years, in some cases dramatically, as total revenues fluctuated. Sources: Fidelity Investments (revenue data standardized by S&P Capital IQ); EIA-860 detailed data; SEC 10-K filings, and company websites. —Copy and artwork by Sonal Patel, a POWER associate editor.
