Here are some lumen per watt (LPW) targets for common LEDs
What are Lumens? | Integral LED
14400 Lumen 120 Watt LED High Lumen H.I.D Replacement - EarthTronics
Orein 100-Watt Equivalent E26 High Lumen LED Light Bulb Cool White (1-Bulb) A9T200WE26UL01 - The Home Depot
LED Lumens To Watts Conversion Chart - The Lightbulb Co. UK
Lumens to Watts Conversion Chart for LED Bulbs
Buying LED Bulbs? Good. But Here Are 5 Things to Think About First - CNET
200 Watt E39 LED Bulb - 24,000 Lumens- 4000K -33-238
Lumens to Watts Conversion Chart for LED Bulbs
Why LED lights are better than Fluorescent lights even when lumens per watts are the same - Bijli Bachao : Bijli Bachao
Lumens to Watts Conversion Chart for LED Bulbs
How to Choose the Right LED Lightbulb - CNET
Centrifuge Lighting LED Light Bulbs, A19 General Purpose (40 Watt Replacement LED Light Bulbs), 450 Lumen, Medium Base Light Bulbs, Soft White, (8 Bulbs) - - Amazon.com
How Many Watts,Lumen,Electricity Cost Should Street Light Be - FINEPIXEL
Guide | Lumens, Watts & Voltage - Bulb Basics
Wattage vs Lumens: Know the Difference for Better Lighting
Estimating LED Lumens for Your Space | Roberts Electric
Philips Lighting: Buy Lumens, Not Watts (Ved Group) – Ved Group - Ved Electricals - Philips Lighting
How many Lumens for a 400watt Metal Halide and what is the LED equivalent
White LED lights with 135 Lumens per Watt About Ten Times Better than Incandescent | NextBigFuture.com
LEDs Will Get Even More Efficient: Cree Passes 300 Lumens Per Watt
Lumens vs Watts - What Is a Lumen? | Lightbulbs Direct
How do lumens relate to watts on an LED light? - Quora
