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British Gas Business
Tel: 0845 600604
The Retention Team, British Gas Business, Spinneyside, Penman Way, Grove Park, Leicester LE19 1SZ
contract.renewals@centrica.co.uk (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
info@cngltd.co.uk
Corona:
Tel: 08442 646464 Fax: 0870 2429665
Corona Energy, Edward Hyde Building, 38 Clarendon Road, Watford WD17 1JW
mail@coronaenergy.co.uk
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
customer_correspondence@edfenergy.com
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
smecontractterminations@eonenergy.com or business@eonenergy.com
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
info@havenpower.com
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
smeconsultant.renewals@npower.com
Notice: at least 90 days ahead of contract end date
Opus:
Tel: 0845 3302655 Fax: 0845 223 5445
Opus Energy Limited, Royal Pavilion, 2 Summerhouse Road, Northampton NN3 6BJ
contactus@opusenergy.com
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
user@shell.com
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
customer.services@scottishpower.com
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
terminations.Reboot@scottish-southern.co.uk
Notice: at least one calendar month ahead of contract end date
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