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National Grid said it was not its responsibility to connect up those street lights, but noted that they had not been part of the original application by Dunedin in 2018.

The national grid's reliance on gas, the most expensive source of power, keeps bills high - even if there's also large-scale generation coming from cheaper renewable sources, like wind power.

Officers continue to support the London Fire Brigade, the National Grid and "other partners" to investigate the cause of the blaze.

Substations, operated by the National Grid, are designed to produce, convert, and distribute electricity at suitable voltage levels.

Zengamina Hydro has secured a large investment to help them expand to more villages and join up to the national grid.