Compact fluorescent light bulbs are pretty energy efficient and are energy star rated.
Ones that don't work ;)
You can go to www.energysavingtrust.org.uk/myhome to read about inexpensive, energy efficient Lighting . Another good website is www.green-energy-efficient-homes.com/energy-efficient-lighting.html
If you are looking for energy efficient LED lighting you should look into RAB lighting. RAB lighting is energy efficient and is now offered at many lighting fixture stores.
Energy efficient lighting can be purchased in most DIY stores as an alternative to normal lighting fixtures. You can also purchase them online but please check your fitting to ensure it is a match for your light fixture and be aware that energy efficient lighting may be bigger than normal lighting purchases.
One can find flood lighting that is energy efficient at the Home Depot. When finding ideal flood lighting that one wants to be energy efficient, one should make sure that one reads the packaging and is using the light properly.
The best energy efficient lights are LED lights. They are very small and use very little electricity, but they are brighter then most conventional lights.
Fluorescent lighting is cooler and far more energy-efficient than incandescent lighting.
The most energy efficient lighing is florescent lighting; it takes less power and energy to turn on. CFL lightbulbs are also very energy efficient and would save a lot of money. They will have an energy saver sign on the box if you are not sure. A fixture that has an energy star approved logo on the item would be the most efficient and use the least amount of energy possible. Also using energy efficient light bulbs will improve the efficiency.
What are some of the brands that carry green, energy saving home lighting fixtures?
Solar lighting is more energy efficient because it uses the light from the sun to power itself rather than use the energy from an outlet in your home to gather enough energy to create an illuminating light source
A table lamp with a fluorescent or LED bulb provides excellent energy efficient lighting. Almost any lamp can accommodate a compact fluorescent or LED bulb which makes any fixture more efficient.
One can find more information on energy efficient lighting from the following sources: Earth Easy, Energy Star, Carbon Trust, Living Greener, NSW Environment and Heritage, Energy Saving Trust, to name a few.