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Woman with SMUD Energy Advisor

Energy efficient lighting

It's time to take another look at light bulbs. New ENERGY STAR® LEDs and CFLs use up to 77% less energy and last up to 35 times longer than incandescents. And many are dimmable and create the warm, white light you've always loved.

Learn more about CFLs and LEDs and see where you can find discounted pricing courtesy of SMUD by visiting one of the following links:

Learn more about lumens

You're probably used to comparing the brightness of light bulbs by considering watts, but watts don’t give you the whole story. Lumens is a measure of how much light a given light bulb produces, regardless of the energy required.

Check out the chart below for more information:

Lumens comparison chart

New labels make comparing bulbs easy

Incandescent lighting label

Federal law now requires light bulb manufacturers to label their products with brightness (measured by lumens), operating costs for the year, life expectancy and even light color.

With these new labels, it’s easy to make an "apples to apples" comparison of one bulb to another. Here is an example of a label for a 60-watt incandescent bulb: