Insights
Did you know:
- 38% of total energy consumption—across all major fuels: gas, electricity, other—is dedicated to lighting.
- 45% of all buildings are lit when closed.
- In the Greater Washington DC region alone, 136,000 buildings are over 50%—and up to 100%—lit when closed. And nearly two million buildings in the area are between 1% and 50% lit when closed.
- Floor space lit when closed accounted for about $6 billion in waste in the Greater Washington DC region.
- 49.4% of all buildings are 100% lit when open.
- The average commercial building (14,400 sq. ft.) consumes 3,037 trillion Btu in a single year, and spends $15,700 annually on electricity.
- Less than 2% of existing buildings in the US & Canada have modern lighting control.






