Energy firm npower is to close its sites at Thornaby, and Peterlee. More than 400 jobs will go in the North East.
430 jobs are to go at npower's Rainton site in Sunderland, while 520 staff will be transferred from NPower's payroll to another company.
The Thornaby call centre will close entirely, with its 500 staff offered employment instead in Sunderland.
Gareth Pickles, npower's Director of Customer Services, tells ITV Tyne Tees that jobs losses and site closures in the North East is not about cost.
Energy firm nPower is planning to transfer more than 500 jobs from it's Thornaby office to other sites in the North East.
Around 430 jobs will go at nPower's headquarters in Rainton, near Houghton-le-Spring.
410 will be given the option to move to Capita in Peterlee, around 20 miles away.
The overall number of workers at Rainton will rise from 2200 to 2400 as 1130 move from two sites in Peterlee and Thornaby.
– Gareth Pickles, Customer Service Director, nPower"Today’s announcement would mean a lot of changes but our commitment to the North East remains very strong - there’ll still be around three and a half thousand people in the region helping npower customers every day.
“As a business, we’re operating in extremely tough times and we’ve had to look at what’s right for the long term future of the company. We also have to keep our costs as low as possible when our customers are seeing bills going up due to a range of external factors."
BREAKING:Npower annnounce 430 jobs to go in NE. Thornaby will close 500 staff transferred to Rainton office, where 430 staff will lose jobs.
The GMB Union says nPower is planning to close its site at Thornaby in North Yorkshire.
The organisation says staff are expected to be informed of job losses this morning.
The GMB union says it wants a public inquiry to be held after claiming that the energy company nPower will close several sites in the North East.
Offices are set to shut in Peterlee in County Durham and Thornaby in North Yorkshire as part of wider plans to transfer 1,400 jobs to India.
Chris Jukes, GMB Northern Regional Political Officer talks to ITV Tyne Tees about nPower site closures and job loses.
– Colin Smith, the GMB's Northern Region senior organiser"This is about cost of living, bad management and naked greed.
"Our lay representatives and members have been working hard for years with nPower to make the North East sites return consistent profitability.
"GMB will vigorously campaign against the offshoring of jobs to India because it has absolutely nothing to do with customer service and everything to do with cost."