100Green
www.100green.co.uk
Checked 30 Sept 2026
All categories
Utilities & Energy
94 websites checked and listed
Switch supplier, check meter readings and find help with bills from Ofgem-regulated services and trusted comparison sites.
Affinity Water
www.affinitywater.co.uk/my-water/emergencies
Checked 30 Sept 2026
Affinity Water
www.affinitywater.co.uk
Utilities & EnergyWater Suppliers
Checked 30 Sept 2026
Anglian Water
www.anglianwater.co.uk/help-and-advice/water-supply
Checked 30 Sept 2026
Bristol Water
www.bristolwater.co.uk
Utilities & EnergyWater Suppliers
Checked 30 Sept 2026
British Gas
www.britishgas.co.uk
Utilities & EnergyEnergy Suppliers
Checked 30 Sept 2026
British Gas
www.britishgas.co.uk/help-and-support/contact-us
Checked 30 Sept 2026
British Gas Business
www.britishgas.co.uk/business
Checked 30 Sept 2026
Bryt Energy
www.brytenergy.co.uk
Checked 30 Sept 2026
BT Group / Openreach
www.openreach.com
Utilities & EnergyInfrastructure Networks
Checked 30 Sept 2026
Cadent Gas
cadentgas.com
Utilities & EnergyInfrastructure Networks
Checked 30 Sept 2026
Cadent Gas
cadentgas.com/emergencies
Checked 30 Sept 2026
Cambridge Water
www.cambridge-water.co.uk
Utilities & EnergyWater Suppliers
Checked 30 Sept 2026
Centrica
www.centrica.com
Utilities & EnergyInfrastructure Networks
Checked 30 Sept 2026
Compare the Market
www.comparethemarket.com/energy
Checked 30 Sept 2026
Confused.com
www.confused.com
Checked 30 Sept 2026
Corona Energy
www.coronaenergy.co.uk
Checked 30 Sept 2026
Dŵr Cymru Welsh Water
www.dwrcymru.com
Utilities & EnergyWater Suppliers
Checked 30 Sept 2026
Dŵr Cymru Welsh Water
www.dwrcymru.com/en/help-advice/report-a-problem
Checked 30 Sept 2026
Checked 30 Sept 2026
E.ON Next
www.eonnext.com
Utilities & EnergyEnergy Suppliers
Checked 30 Sept 2026
E.ON Next
www.eonnext.com/contact
Checked 30 Sept 2026
E.ON Next Business
www.eonnext.com/business
Checked 30 Sept 2026
Ecotricity
www.ecotricity.co.uk
Checked 30 Sept 2026
EDF Business Energy
www.edfenergy.com/large-business
Checked 30 Sept 2026
EDF Energy
www.edfenergy.com
Utilities & EnergyEnergy Suppliers
Checked 30 Sept 2026
EDF Energy
www.edfenergy.com/for-home/help-support/contact-us
Checked 30 Sept 2026
Electricity North West
www.enwl.co.uk/power-cuts
Checked 30 Sept 2026
Essex & Suffolk Water
www.eswater.co.uk/help/report-a-problem
Checked 30 Sept 2026
Evolve (formerly SGN Natural Gas)
www.evolvenetwork.co.uk/gas-emergency
Checked 30 Sept 2026
firmus energy (Network)
www.firmusenergy.co.uk/home/help-advice/smell-gas
Checked 30 Sept 2026
Foxglove Energy / TruEnergy / Tulo Energy
www.truenergy.co.uk
Checked 30 Sept 2026
Fuse Energy
www.fuseenergy.com
Checked 30 Sept 2026
Gasway
www.gasway.co.uk
Checked 30 Sept 2026
Go.Compare
www.gocompare.com
Checked 30 Sept 2026
Hafren Dyfrdwy
www.hdcymru.co.uk/in-my-area/report-a-problem
Checked 30 Sept 2026
Hafren Dyfrdwy
www.hdcymru.co.uk
Utilities & EnergyWater Suppliers
Checked 30 Sept 2026
MoneySuperMarket
www.moneysupermarket.com
Checked 30 Sept 2026
National Gas Emergency Service
www.nationalgas.com/safety-and-emergencies
Checked 30 Sept 2026
National Grid
www.nationalgrid.com
Utilities & EnergyInfrastructure Networks
Checked 30 Sept 2026
National Grid Electricity Distribution
powercuts.nationalgrid.co.uk
Checked 30 Sept 2026
National Power Cut Helpline (105)
www.powercut105.com/find-my-network-operator
Checked 30 Sept 2026
NIE Networks (Northern Ireland Electricity)
www.nienetworks.co.uk/power-cuts
Checked 30 Sept 2026
Northern Gas Networks
www.northerngasnetworks.co.uk
Utilities & EnergyInfrastructure Networks
Checked 30 Sept 2026
Northern Gas Networks (NGN)
www.northerngasnetworks.co.uk/gas-emergencies
Checked 30 Sept 2026
Northern Ireland Gas Emergency Service
www.gniuk.ie/safety/smell-gas
Checked 30 Sept 2026
Northern Ireland Water
www.niwater.com
Utilities & EnergyWater Suppliers
Checked 30 Sept 2026
Northern Ireland Water (NI Water)
www.niwater.com/report-a-leak-or-burst-pipe
Checked 30 Sept 2026
Northern Powergrid
www.northernpowergrid.com
Utilities & EnergyInfrastructure Networks
Checked 30 Sept 2026
Northern Powergrid
www.northernpowergrid.com/power-cuts
Checked 30 Sept 2026
Northumbrian Water
www.nwl.co.uk/help/report-a-problem
Checked 30 Sept 2026
Northumbrian Water
www.nwl.co.uk
Utilities & EnergyWater Suppliers
Checked 30 Sept 2026
Octopus Energy
octopus.energy
Utilities & EnergyEnergy Suppliers
Checked 30 Sept 2026
Octopus Energy
octopus.energy/contact-us
Checked 30 Sept 2026
Octopus Energy for Business
octopus.energy/business
Checked 30 Sept 2026
Ofgem
www.ofgem.gov.uk/contact-us
Checked 30 Sept 2026
Ofwat
www.ofwat.gov.uk/contact-us
Checked 30 Sept 2026
Online Business Energy
www.businessenergyuk.com
Checked 30 Sept 2026
Opus Energy
www.opusenergy.com
Checked 30 Sept 2026
Outfox the Market
www.outfoxthemarket.co.uk
Checked 30 Sept 2026
OVO Energy
www.ovoenergy.com/help/contact
Checked 30 Sept 2026
Phoenix Energy
www.phoenixenergyni.com/help-and-advice/gas-emergency
Checked 30 Sept 2026
Portsmouth Water
www.portsmouthwater.co.uk
Utilities & EnergyWater Suppliers
Checked 30 Sept 2026
Power NI
powerni.co.uk/contact-us
Checked 30 Sept 2026
Regent Gas
regentgas.co.uk
Checked 30 Sept 2026
Sainsbury's Energy
www.sainsburysenergy.com
Checked 30 Sept 2026
Scottish Water
www.scottishwater.co.uk/help-and-resources/report-a-problem
Checked 30 Sept 2026
Scottish Water
www.scottishwater.co.uk
Utilities & EnergyWater Suppliers
Checked 30 Sept 2026
ScottishPower
www.scottishpower.co.uk
Utilities & EnergyEnergy Suppliers
Checked 30 Sept 2026
ScottishPower
www.scottishpower.co.uk/contact-us
Checked 30 Sept 2026
ScottishPower Business
www.scottishpower.co.uk/small-business
Checked 30 Sept 2026
SEFE Energy
www.sefe-energy.co.uk
Checked 30 Sept 2026
Severn Trent
www.stwater.co.uk
Utilities & EnergyInfrastructure Networks
Checked 30 Sept 2026
Severn Trent Water
www.stwater.co.uk/in-my-area/report-a-problem
Checked 30 Sept 2026
SGN (Scotia Gas Networks)
www.sgn.co.uk
Utilities & EnergyInfrastructure Networks
Checked 30 Sept 2026
SGN (Scotland Gas Networks & Southern Gas Networks)
www.sgn.co.uk/help-and-advice/smell-gas
Checked 30 Sept 2026
SmartestEnergy
smartestenergy.com
Checked 30 Sept 2026
So Energy
www.soenergy.com
Checked 30 Sept 2026
South East Water
www.southeastwater.co.uk/help/emergencies
Checked 30 Sept 2026
South East Water
www.southeastwater.co.uk
Utilities & EnergyWater Suppliers
Checked 30 Sept 2026
South Staffs Water
www.south-staffs-water.co.uk
Utilities & EnergyWater Suppliers
Checked 30 Sept 2026
South West Water
www.southwestwater.co.uk
Utilities & EnergyWater Suppliers
Checked 30 Sept 2026
South West Water
www.southwestwater.co.uk/contact-us/emergencies
Checked 30 Sept 2026
Southern Water
www.southernwater.co.uk
Utilities & EnergyWater Suppliers
Checked 30 Sept 2026
Southern Water
www.southernwater.co.uk/help-advice/emergencies
Checked 30 Sept 2026
SP Energy Networks
www.spenergynetworks.co.uk
Utilities & EnergyInfrastructure Networks
Checked 30 Sept 2026
SP Energy Networks
www.spenergynetworks.co.uk/pages/power_cuts.aspx
Checked 30 Sept 2026
SSE Airtricity (Northern Ireland)
www.sseairtricity.com/ni/home/help-centre/contact-us
Checked 30 Sept 2026
SSEN (Scottish & Southern Electricity Networks)
www.ssen.co.uk
Utilities & EnergyInfrastructure Networks
Checked 30 Sept 2026
SSEN Distribution (Scottish and Southern Electricity Networks)
www.ssen.co.uk/power-cuts-emergencies
Checked 30 Sept 2026
Switchd
switchd.co.uk
Checked 30 Sept 2026
Thames Water
www.thameswater.co.uk/help/emergencies
Checked 30 Sept 2026
The Energy Shop
www.theenergyshop.com
Checked 30 Sept 2026
TotalEnergies Gas & Power
business.totalenergies.uk
Checked 30 Sept 2026