London’s skyline is dotted with cranes and subdivisions are pushing further into the city’s edges. But while new homes and towers rise above ground, London Hydro is quietly expanding and maintaining the backbone that powers it all: the city’s electricity grid. Reporter Adshayah Sathiaseelan plugs into the details.

How does London Hydro maintain its grid?

For most residents, London Hydro’s work is easy to miss – wires strung above sidewalks or transformers humming quietly on lawns.

Keeping the system resilient takes more than new hardware, said Allan Van Damme, vice-president of engineering and construction. London Hydro spends more than $1 million a year on tree trimming, with five arborists working daily to prevent outages.

“High winds, trees falling, branches touching our wires, that

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