Solar ROI Estimator
Design your solar business case
Configure solar, battery and grid-export assumptions in 60 seconds. Get instant estimates. No contact details required.
What type of building?
Available roof space?
Daytime electricity usage?
Percentage used during 9 am – 5 pm
Monthly electricity bill?
Where is your site?
Any grid or export constraint?
Use this if you have a DNO quote, export cap or zero-export condition
Your Estimate
£ —
Annual CO₂ Offset
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Share this with your team
Your calculator answers will be included. Request a review, then email your bill with the reference provided. Final figures need a site survey.
Could solar reduce your electricity bill?
Request a free initial review based on your premises and electricity use. Get an indication of costs, potential savings and the next checks needed.
Start with your details. After submitting, email a recent bill with your enquiry reference. You do not need to know your roof size to ask for a review.
Is a grid connection cost holding you back?
If your electricity network operator has quoted an upgrade cost or limited how much power you can export, ask us to review the available solar and battery options.
Our grid-connection review has separate eligibility and pricing. Any alternative design remains subject to site checks and network approval.
See the grid review and pricing