The official said consumers within 600 metres range to the nearest transformers would be temporarily relocated as a stopgap measure while the issue is being sorted.
NGAO representatives were trained in identifying and reporting faulty power lines during the rainy season.
The fire tragedy which claimed at least 30 people was caused by electricity fault.
Most schools in the region are in rural areas that do not have access to power connections, they say.
The move is aimed at limiting blackouts and the losses the illegal activities have caused the company over the years.
KPLC is seeking to promote the adoption of e-cooking among its close to 10 million customers (households), but many Kenyans view electricity use as an expensive cooking alternative.
The company issued an apology to their customers and assured them that they were working to resume normalcy.
Government ministries, departments, and agencies (MDAs) and county governments are the main defaulters on power bills.
Energy Cabinet Secretary Davis Chirchir has warned of another nationwide blackout unless significant investment is directed toward strengthening power supply across the country.
Residents of Biafra, Kinyago, Kanuku, and Blue Estates in Eastleigh, Nairobi County, have voiced their frustration over the prolonged power outage that has persisted for months, significantly impacting their daily lives.