In short
Retrofit payback depends on existing wattage, LED wattage, hours of use, energy prices and controls; high-use spaces usually pay back fastest.
Payback is how long savings take to cover the cost.
What affects it
- Existing and new wattage
- Annual hours of use
- Electricity price
- Controls savings
Prioritise
Start with spaces lit for the longest hours.
Further reading at 299 Lighting
Next steps on relumen8.com
Thinking about a retrofit?
Send us photos of your existing fittings, the location and rough quantities. A Light Engineer will tell you whether reLUMEN8 is viable.
Start a project →Frequently asked questions
How quickly does LED retrofit pay back?
It varies by project. High-use spaces usually pay back fastest.
How do I calculate payback?
Divide project cost by annual energy and maintenance savings.
