Useful Documents

Here you'll find useful documents you may need before or during your electricity contract with us. Still got a question? Visit our help and support page, or get in touch below.

Our products

Here you'll find useful documents related to our products and contracts.

Fuel Mix Disclosure

Independent sustainability consultancy EcoAct has verified our latest Disclosure. Under certain criteria, you may now be able to report your emissions as zero - get more details.

Haven Power product matrix

Here’s an overview of our Fixed products and Flex products.

Half Hourly and Non-Half Hourly terms

Here are our contractual terms for customers with Half Hourly and Non-Half Hourly meters.

Out of contract rates

Out of Contract Rates for all Network Operator Areas are provided in full in the PDF below.

Letter of Authority (LOA)

Please download this LOA, then complete, sign and scan it before emailing the image file to contact.us@havenpower.com.

Termination Notice

Please download this termination notice, then complete, sign and scan it before emailing the image file to terminations.notice@havenpower.com

Payment and VAT

Here you'll find payment and VAT related forms.

Direct debit mandate form

Here's the form to instruct your Bank or Building Society to pay by Direct Debit.

VAT exemption declaration form

Here's the form to complete if your business qualifies for a reduced rate of Value Added Tax (VAT).

Change of Tenancy Forms

Here you'll find the forms you'll need if you're changing business premises. If you need more information on moving business premises, visit our Change of Tenancy web page.

Moving Out Form

Here's the Change of Tenancy form for if you're moving out of your business premises.

Moving In Form

Here's the Change of Tenancy form for if you're moving into new business premises.

Landlord Change of Tenancy Form

Here's the Change of Tenancy form for if you're a landlord.