Lighting Retrofit Savings Calculator

Compare existing and proposed lighting systems and estimate energy savings, project payback, and long-term financial value.

Existing lighting

Proposed lighting

Operation and utility cost

Demand-charge savings assume the full connected-load reduction occurs during the billed peak each month.

Project economics

Estimated project results

Annual savingsEnter project data
Simple paybackNot calculated
Annual energy reduction
Energy-use reduction
Demand reduction
Annual utility savings
Annual maintenance savings
Net project cost
Five-year net savings
Ten-year net savings
Ten-year return on cost

Annual energy comparison

Existing
Proposed

Enter the existing and proposed lighting information to calculate the potential savings.