Illustrative case study

Industrial rooftop solar with behind-the-meter storage

A North West industrial site considers rooftop solar to offset daytime demand, with a 500kWh battery to shift some of that energy. The project is illustrative. It shows a typical sequence: site facts, design envelope, installation costing, then a capital conversation if the site will not self-fund.

Solar + battery

Illustrative project

Commercial rooftop solar + battery

North West England · 250kWp PV · 500kWh storage

Stage
Costing
Need
Installation costing and funding review
Next
Structured brief for delivery quotes

An industrial rooftop with on-site consumption and a behind-the-meter battery. The next gap is a delivery estimate, then whether owner capital or external funding is the right conversation.

Starting position

The owner controls the building and has bills that show daytime electrical demand. There is no finished design pack and no quoted install cost.

Requirement

A delivery estimate that a finance or investment conversation can actually use, plus a clear statement of what is still unknown about grid export and roof condition.

Information needed

  • Who controls the roof and electrical supply
  • Typical weekday demand pattern
  • Roof type, access and any known constraints
  • Whether export is intended or on-site use only

WattFund pathway

  1. Site described
  2. Design envelope
  3. Provider costing
  4. Funding review if needed

What this example demonstrates

  • Solar and battery are often one commercial conversation, not two isolated products
  • Costing is usually the gap before capital
  • Missing export or roof data should stay labelled as missing

Questions

This is an illustrative case study, not a verified WattFund client outcome. All examples

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