Your building. Your numbers. Your savings.
Energy Savings Planner
These tools will show your savings.
Estimate costs, cuts, and payback
Commercial LED Energy Savings Calculator
A directional estimate for planning and budgeting. Actual savings depend on fittings and mounting heights, etc.
Lighting controls save money
Smart Controls Energy Savings Calculator
Estimate how much occupancy sensing, daylight dimming and scheduling can trim your lighting energy and costs.
Let the sun power your energy
Solar Roof-to-Savings Advanced Calculator
Quickly estimate how occupancy, daylight dimming, and scheduling cut lighting energy, costs, and COâ‚‚ footprint.
FAQ’s
Use our calculators to model kWh, £ and CO₂ reductions before a site survey. They’re fast, mobile-friendly planners designed to help you compare options and prioritise projects.
How accurate are these calculators?
They’re planner-level estimates. Final savings depend on on-site factors (layout, shading, controls tuning, tariffs). We validate everything during a survey and commissioning.
Which calculator should I start with?
Start with LED Upgrade (biggest immediate efficiency gain), add Smart Controls to trim runtime, then assess Solar to offset the remaining load. Stacking them gives the best ROI.
What inputs give the best results?
Area (ft²/m²), operating hours, current lighting power density (W/ft² or W/m²), and your electricity rate. For Solar, add usable roof area, specific yield and export rate; for Controls, set occupancy/daylight/scheduling sliders.
Do I use ft² or m²?
Either, each tool supports both. Just keep units consistent for area and LPD.
Can I include carbon savings?
Yes. Each tool lets you set a COâ‚‚ factor (kg/kWh) to estimate annual emissions avoided.
How is payback calculated?
Simple payback = CapEx ÷ annual £ savings. It’s a quick indicator; lifecycle analyses (maintenance, financing, grants) are covered in proposals.
Will my data be stored?
No. Calculations run in your browser. If you choose “Send results,” we only receive the figures you submit.
What happens after I’ve run a scenario?
Send or download your summary, then book a free planning call. We’ll review assumptions, schedule a survey, and refine savings, design and ROI.
Still have more questions?
Prefer a tailored quote? Speak to a lighting engineer. We offer a free lighting survey.
Contact Us Today