An outdoor sports field in a residential area of the United Kingdom. During the day it's well-used. After dark, it goes unused — not because residents don't want to be there, but because there's no light. The task was simple: fix that, without major civil works, without an electricity bill, and without disruption to the neighbourhood.
Bullard Solar's answer was the Colarsun 30.
Like its larger sibling the Colarsun 60, the Colarsun 30 installs directly onto existing poles using its vertical 360° panel collar. Twenty existing poles, twenty new solar-powered luminaires. No ground work, no cable, no mess. The sports field was operational again the same day installation finished.
The maintenance story is equally clean. The vertical solar panels have no moving parts and no surface angle to adjust. They collect from all directions throughout the day, recharge the LiFePO4 batteries, and deliver consistent illumination night after night without any scheduled maintenance intervention. For a residential community facility — where no one is employed specifically to manage the lighting — that reliability matters enormously.
The UK doesn't always cooperate with solar technology. A British winter can deliver four consecutive days of overcast skies, grey mornings, and barely any direct sun. The Colarsun 30 is engineered for exactly that scenario — battery reserves deep enough to sustain full output through four sunless days without dimming, without failure, without anyone needing to do anything.
Residents can book the pitch, show up after work in November, and trust that the lights will be on. The sports field now serves the community day and night, year-round. No grid connection. No running cost. No compromise.
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