In an Inside Out energy special, Chris Jackson finds out why North East homes are so poorly insulated, Michelle Ackerley challenges two families to cut their energy bills, and we discover how some are stealing fuel.
The households missing out on winter fuel discounts
As winter temperatures drop, how many households on low incomes know about the government's special fuel allowance, the Warm Home Discount?
Inside Out discovered that only a fraction of those who are entitled to the Warm Home Discount in County Durham are in receipt of it.
Watch the Inside Out North East video feature on the BBC News website.
Understanding who qualifies for help with fuel bills
With the way fuel bills are these days there can't be many of us who don't think twice about switching the heating on as temperatures drop.
Read Chris Jackson's correspondent blog on the BBC News website.
Meet the energy thieves
As energy prices increase, a growing number of people are choosing to steal their gas and electricity.
For some it comes down to being cash-strapped, but others are prepared to cheat the system whilst also endangering the lives of neighbours.
There is also an increasing number of unscrupulous people willing to offer a service to tamper with meters for a charge of between £10-£500.
Watch the Inside Out London video feature on the BBC News website.
Tackling the energy thieves
Criminal gangs are helping homeowners and landlords avoid paying for power by "hotwiring" supplies for as little as £10, BBC Inside Out has learned.
The energy thieves operating in London can tamper with 15 meters in a day, an investigation found.
Read the exclusive Inside Out story on the BBC News website.