Here are some lumen per watt (LPW) targets for common LEDs
Pinegreen Lighting 500-Watt Equivalent 10000 Lumens E26 LED Cob Light Bulb Daylight (5000K) (1-Bulb) CL-CB100 - The Home Depot
How to Convert Lumens to Watts? - LedsMaster LED Lighting
Guide | Lumens, Watts & Voltage - Bulb Basics
Wattage vs Lumens: Know the Difference for Better Lighting
18 Watt LED Corn Bulb - Aries S Series - 2,430 Lumens -4000K
Lumen to Watt Comparison - Energy vs Brightness
Watts the Difference between Lumens, Watts, and Kelvin?
LED Lumens To Watts Conversion Chart - The Lightbulb Co. UK
How to Convert Lumens to Watts? -
How to Choose the Right LED Lightbulb - CNET
GE Incandescent Flood Light Bulbs, BR30 Flood Lights, 65-Watt, 615 Lumen, Medium Base, Soft White, 6-Pack, Indoor Flood Light Bulbs, Recessed Light Bulbs for Indoors - Household Light Bulbs - Amazon.com
Wattage vs Lumens: Know the Difference for Better Lighting
Comparing Watts to Lumens - Carolina Country
36 Watt LED Corn Bulb - Aries III Series - 4,900 Lumens - 50
Lumens to Watts Converter
Lumens Calculator: How Many Lumens Do I Need for a Room? – Insights
Lumens per Watt & LED Efficacy - Aurora Lighting Presents - YouTube
Choosing the right light bulb – colour temperature & lumen
Lumen Watt Hotsell, SAVE 56%.
led - What is the theoretical limit of lumen/watt for lighting systems? - Electrical Engineering Stack Exchange
RuggedGrade 150 Watt E39 LED Bulb - 21,892 Lumens - 4000K -Replacement for 400-500 watt Metal Halide/HID/HPS/or CFL - High Efficiency 125 Lumen/watt - 360 Degree Lighting – LED Corn Light Bulb - - Amazon.com
LEDs Will Get Even More Efficient: Cree Passes 300 Lumens Per Watt
Amazon.com: GE Lighting 92301 LED Relax HD 6.5 (60-watt Replacement), 500- Lumen Blunt Tip Light Bulb with Medium Base, Soft White, 2-Pack, Standard, 2 Count
Lumen to Watt Comparison - Energy vs Brightness
Lumens to Watts Conversion Chart for LED Bulbs
What is a Lumen? - Interstate Electric and Solar
