MET/CAL Procedures for Calibrating Secondary Reference Watt Hour Standards

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MET/CAL® Procedures for Calibrating Secondary Reference Watt Hour Standards (179.1 KB)

Because electric companies buy energy from and sell energy to one another, they have to know with certainty how much power comes into and goes out of their substations. Of course, watt-hour meters record that data, and success in the electricity business depends upon those meters accurately measuring the power received or sent during transactions. As elsewhere, this is true for Portland General Electric Company (PGE), an investor-owned utility that serves 808,000 customers in 52 different cities in the Portland, Oregon metropolitan area and the northern Willamette Valley.