uprate
n.— «he country’s most powerful nuclear plant, Palo Verde west of Phoenix, will soon grow more powerful, joining dozens of other nuclear plants whose upgrades are adding the equivalent of up to five new reactors across the nation.… The power “uprate,” as it is called, is becoming an increasingly popular.» —“Palo Verde to step up power” by Ken Alltucker Arizona Republic (Phoenix) Aug. 7, 2005. (source: Double-Tongued Dictionary)