Regional Centre for Lighting

Courtesy EPRI, Electric Power Research Institute

Lighting uses approximately one-quarter of the nation’s electricity. In the commercial sector, it may represent 40-50%
of a building’s total load.

Together, commercial and industrial lighting account for a large percentage of utility daytime

peak demand. Yet most existing lighting systems, designed before energy prices jumped in the early 1970s, are
inefficient. Recent advances in lighting technology offer utilities and their customers the opportunity to save energy and
reduce daytime peak demand. To help customers plan energy-efficient lighting systems consistent with utility demandside objectives, utility representatives need to be well informed about the state of the art in lighting.

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Lighting Handbook for Utilities