Ключевые слова: amount, amp, billing, budget, consume, consumption, cost, counter, efficiency, efficient, electric, electricity, energy, expensive, gage, high, home, hour, hours, house, industrial, industry, kilowatt, kwh, lower, manage, measurement, meter, metering, money, office, pay, payment, power, reduced, reducing, residential, save, saving, supply, system, usage, use, utility, voltage, wattage,