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• Dealing with your energy supply when you move business premises

  Steps to take when moving in or out of business premises. Proof of change of tenancy documents required

• How to complain about your Green Deal energy efficient home improvements

  Find out how to complain if you're not happy with Green Deal energy efficiency measures you've been sold.

• Letter to complain about your energy supply being switched without your agreement

  Use this template letter to complain if you were switched to a new energy supplier without agreeing - fill it in, download and sent it

• What does net zero mean for you?

  Check what the government target to reach net zero means for you and your home. Find out how to reduce your carbon footprint and how this might save you money

• Check if your business is a microbusiness or a small business

  We provide official energy advice for microbusinesses and small businesses. Check our guidance to find out if your business is a microbusiness or a small business.

• Using your smart meter’s in-home display

  Check how you can use your smart meter’s in-home display (IHD) to help save energy. Check how to get an IHD if you don’t already have one.

• Consumer template letters

  View our consumer template letters. We have a range of letter templates available for consumer issues, from faulty goods to credit agreements

• TruEnergy customer service

  Customer service contact details and scores for TruEnergy. Find out how well TruEnergy customer service performs and how to contact them