Lighting can be 20 percent of your home’s energy use. One of the easy and inexpensive ways to save energy is to switch to Energy Star-rated LED bulbs. Puget Sound Energy has subsidized the cost of these energy-efficient LED light kits – meaning great deals for you! PSE customers can purchase a kit of 6 LED bulbs, a water-saving shower head and faucet aerators for $10 + tax ($75 value).