There are two forms of power. One is real power that can be translated into actual work typically measured in watts. Another is reactive power that is consumed by a device but does not produce any useful work. The sum of both forms of power is the power supplied by a utility. Power factor of an AC device like CFL ranges from 0 to 1. Closer the power factor of a machine is to 1 the lesser

The Minister for Water and Power, Pervez Ashraf, on Wednesday refused to follow Prime Minister Yousuf Raza Gilani's directive on 'free of cost' provision of energy saver bulbs to consumers. Prime Minister Gilani in his first speech in the National Assembly had announced that 10 million energy savers would be provided to consumers free of cost.