Sunseam®

Commercial solar in Test Valley

Sunseam ranks every suitable commercial roof in Test Valley (South East) by solar opportunity, so installers find qualified sites and owners see what their roof is worth.

450
Commercial roofs ranked
132 MWp
Combined rooftop potential
123
At energy Band D–G

Together these roofs represent an estimated £22,146,864 in potential annual electricity savings from on-site solar.

Frequently asked questions

How many commercial roofs suit solar in Test Valley?

Sunseam ranks 450 large commercial roofs in Test Valley, with a combined rooftop-solar potential of about 132 MWp.

Which buildings in Test Valley face MEES pressure?

Around 123 of the ranked buildings in Test Valley sit at EPC Band D–G. The minimum to let is Band E today; the government's long-term MEES target is EPC B for large non-domestic buildings (over 1,000 m²), expected around 2031, so the biggest, lowest-rated roofs have the clearest future-proofing reason to act.

Figures are estimates modelled using standard assumptions, indicative, not quotes.