Office rooms or cubes having a window(s) can switch off their lights in the daytime. Most of the work is done on the lighted computer monitor anyway!
Such methods could include a sticker-like label for light switch plates that encourage staff to turn off the lights.
Another idea involves installing auto-off light switch modules that could be set to power down lighting a short duration of time... more »
While dimmer switches would be ideal for all offices, a more immediate way to save energy and money would simply be to turn off the outer row of lights during daylight hours on sunny days at all federal agencies. Additionally, in the winter, the sunny side of the building is usually very hot, so it makes sense to reduce the heating temperature on these sides of the building to use the heat of the sun and less energy.