Around 370 houses in the Hessle area are still without power after a gas mains fire in the early hours of Saturday 30 July.
Humberside Fire and Rescue were called to the scene at Boothferry Road at 2.30am.
Engineers from Northern Gas Networks (NGN) are on site working to restore gas supplies to the properties.
Site manager for NGN Andy Simcoe said their teams are supporting GTC Pipeline who operate the local gas network, to ensure supplies are restored as quickly as possible.
“We thank customers for their continued patience while this work is ongoing.
"In order to safely turn gas supplies back on at the meter, engineers will be going door-to-door and will require access to people’s properties, prioritising vulnerable customers. When we get to this stage, if people aren’t home when an NGN engineer calls we will leave a card.
"Please contact our Customer Care Team on 0800 040 7766 selecting option 3 and we will arrange for an engineer to come straight out.
An onsite customer drop-in centre for residents has opened at the hall behind Our Lady of Lourdes Catholic Church, in Swanland Road.
Hotplates and fan heaters are available to collect for customers who are without gas, and food vouchers are available for residents to use on evening meals.
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