GasNet is suspending all non-essential business activities but says there will be no impact on the supply of gas to Whanganui homes and businesses.
It follows the announcement of the increased alert level for Covid-19.
"GasNet's foremost priority is to ensuring the safety of our staff, consumers and members of the public whilst maintaining a safe and reliable supply of gas to consumers," GasNet general manager Geoff Evans said.
He said GasNet staff will work from home where it is practical and safe to do so but it is not expected this will affect GasNet's ability to respond to inquiries or requests.