Business Energy Suppliers Termination Notices

Below is a list of the major Business  Electricity and Gas Suppliers termination periods we recommend you always get confirmation from your energy supplier of actual termination periods, to avoid any unforeseen situations.

British Gas Business

Tel: 0845 600604 Fax: N/A

The Retention Team, British Gas Business, Spinneyside, Penman Way, Grove Park, Leicester LE19 1SZ (can also email the account manager named on each bill)

Notice: between 120 to 90 days ahead of contract end date

CNG Business

Tel: 01423 502554 Fax: 01423 502556

Contract Natural Gas Ltd, CNG House, 5 Victoria Avenue, Harrogate, North Yorkshire HG1 1EQ

Corona Tel: 08442 646464 Fax: 0870 2429665

Corona Energy, Edward Hyde Building, 38 Clarendon Road, Watford WD17 1JW

Notice: at least 60 days ahead of contract end date

EDF Business Energy

Tel: 0800 096 2255 Fax: 01273 793 114 (marked ‘Site Loss')

EDF Energy, Southdown View Road, Worthing, West Sussex BN14 8NL

Notice: at least 28 days ahead of contract end date

Eon Business

Tel: 0800 068 6516 Fax: 0115 877 7514

Eon Contract Terminations, PO Box 9042, Sherwood Park, Annesley, Nottingham NG15 5AZ or

Notice: 21 day window anywhere from 120 days ahead of the contract end date

Haven Power

Tel: 01473 725943 Fax: 01473 726788

Haven Power, The Havens, Ransomes Europark, Ipswich IP3 9SJ

Notice: at least 120 days ahead of contract end date

Npower Business

Tel: 0845 166 3360 (3320 for gas) Fax: 01482 495 305 (for both)

Npower Business, Contract Terminations, Bridge House, 200 Clough Road, Hull HU5 1SN

Notice: at least 90 days ahead of contract end date


Tel: 0845 3302655 Fax: 0845 223 5445

Opus Energy Limited, Royal Pavilion, 2 Summerhouse Road, Northampton NN3 6BJ

Notice: at least 90 days ahead of contract end date

Shell Gas

Tel: 0207 257 0100 Fax: 0207 257 3410

Shell, 1-3 The Strand, London WC2N 5EJ

Notice: at least 30 days ahead of contract end date

Scottish Power Business

Tel: 0845 2700 700 Fax: 0141 568 3383

Scottish Power, SME Contracts Manager, Section 12, Cathcart Business Park, Glasgow G44 4BE

Notice: between 90 and 45 days ahead of contract end date (for electricity) or 28 days (for gas)

Scottish & Southern

Tel: 01256 304278 Fax: 01256 304270

Energy Sales Dep, Scottish & Southern, Centenary House, 10 Winchester Road, Basingstoke RG21 8UQ

Notice: at least one calendar month ahead of contract end date

Notice periods and contact details are correct @ the time of publication.

Business energy prices

20th January, 2010

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