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To work out the emissions associated with your electricity, type in the number of kWh you've used in the box below. You can find this on your energy bills.

Some typical values are given in the table below (source information). 'Everything' includes central heating, water heating and appliances.  If you use gas for central heating, water heating or both you can offset those emissions here.

  I use electricity for... (kWh)
No. of bedrooms


Everything except central heating Everything except central heating and water heating
1 12,500 4,700 2,000
18,300 7,600 3,900
23,700 10,400 5,900
4 31,400 13,200 7,800
5 41,700 16,100 9,800
6+ 56,400 26,500 17,000

today's price

Today's price per tonne: £10.25 including VAT.


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What people say

  • "This might just be the world's first truly ethical offseting scheme."

    John Grant, Author of The Green Marketing Manifesto
  • "I have never been a fan of carbon offsetting but Carbon Retirement is different"

    Richard Ellis, Group Head of CSR Alliance Boots
  • "I have long thought European Allowances were the best alternative to offsets"

    Joseph Romm, Former environment advisor to Bill Clinton
  • "Carbon Retirement is an innovative idea that has clear differentiation in the market"

    Jo Hill, Unltd.
  • “We benefit from Carbon Retirement's innovative and responsible approach to carbon offsetting.”

    Adam Black, Head of Sustainability Doughty Hanson

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