As you can see in this infographic from Lamps.com, LED bulbs are the more efficient and cost effective bulb on the market.
Let me give you an idea of the potential for savings. In Long Island’s Town of Hempstead, N.Y., which is the largest township in the country, is making the switch to LED technology with the conversion of more than 50,000 high-pressure sodium fixtures to LED street lights from Cree, Inc. The street light project delivers an anticipated two and a half-year payback with nearly $3 million in annual energy savings and $57 million in total lifetime savings.
You see many solutions have been undertaken by companies and household to overcome the energy issue. Increasing electricity bill and huge energy consumption is the major concern that every user undergoes. Do you know a normal incandescent light bulb is actually a heater having by-product of light? Over 90% of energy is turned into heat. So the best way is to switch over LEDs (Light-Emitting Diodes) which are 10 times more efficient that converts electricity into light.
For more on this infographic from Lamps.com