Civic & public Manchester · M2 5PD

Could Manchester Central Library go solar?

The circular, domed roof of Manchester Central Library isn't the flat expanse solar usually prefers, and the yield is modest to match. Still, across roughly 4,000 square metres we estimate room for around 460 kW of solar and some 1,160 panels — an estimated 0.33 to 0.40 million kWh a year. In a city with around 910 sun hours, that would cover a fair share of a busy public building's daytime use. Full-roof estimate.

Manchester Central Library from above, its distinctive circular domed roof set within St Peter's Square.
Roof capacity
464 kWp
~1,161 panels at full fit
Annual generation
329 MWh–402 MWh
across the whole roof
Could power
~135
average UK homes
CO₂ saved
~175 t
per year, at full capacity

Roof area read from above: ~3,983 m²on a 3,404 m² building footprint.Imagery dated 2024-10-13.

Full methodology, assumptions and cross-checks: how we measure. Includes solar data from Google.

Morning sun on the rooftop solar panels of a red-brick UK semi-detached home

That was someone else's roof.

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