"Hey, remember that trouble we went through all those weeks ago in updating our computer, PDA, and cell phone clocks so we could get with the U.S. government's decision to move Daylight Saving Time ahead by three weeks? Well, we did it all for nothing. The results are in: We didn't conserve any energy at all.
Turns out the conventional wisdom and some common sense really had it right: Setting clocks forward an hour in early March forced people to get up when it was still dark and cold outside, causing increased use of light and heat in the morning hours. Though we may have saved a little power in the evenings, any savings were offset by additional morning use. Reuters notes that most...

"Hey, remember that trouble we went through all those weeks ago in updating our computer, PDA, and cell phone clocks so we could get with the U.S. government's decision to move Daylight Saving Time ahead by three weeks? Well, we did it all for nothing. The results are in: We didn't conserve any energy at all.
Turns out the conventional wisdom and some common sense really had it right: Setting clocks forward an hour in early March forced people to get up when it was still dark and cold outside, causing increased use of light and heat in the morning hours. Though we may have saved a little power in the evenings, any savings were offset by additional morning use. Reuters notes that most large utility companies are noting they have seen no change in power consumption over the last three weeks."