The remaining 17 percent, or 3.8 million households, would pay the same.
By 2020, according to government estimates, the average household should pay £94 a year less for energy than they would without the policies.
Moneysupermarket.com claims the average household pays £325 more a year than necessary.
Richer households, who also use more energy, will pay themselves.
These households will pay the state's highest tax rate, 7.875 percent, on a larger share of their income.
Farms and households in many areas pay rates that are far below the costs of service.
The average household now pays total taxes of $2,500 a year.
The average household now pays £1,345 per year for gas and electricity.
About one in six households paid more than $13.46 an hour, according to the survey.
The company did not estimate today how much extra a typical household might pay as a result.
