Lighting 76131 Energy Smart CFL 11-Watt 45-watt replacement. GE 76131 Energy Smart 11 Watt Indoor Floodlight CFL R20 50-Watt Replacement 2-Pack . GE Compact Fluorescent lamps (CFL) offer many advantages that include cost savings, extra long life, light output, and color rendering. With this CFL you’ll get dramatic energy cost savings up to 77 percent vs. incandescent lamps of comparable light output. The extra long life most last 8 to 10 times longer, and some last up to 20 times longer, than standard incandescent lamps. High light output comparable to, and in many cases exceeding incandescent lamps replaced.