Ukenergychecker.co.uk

Current Cheapest Energy Deals in Glan-y-llyn

Electricity Tariffs

SupplierTariffTypeUnit RateStandingEst. AnnualExit Fee
Good EnergyGood Energy 12m Fix May26Fixed22.85p57.58p£827£75
Co-op EnergyCo-op 12M FixedVariable23.80p51.41p£830None
EDF EnergySimply Fixed 2Yr Apr28v4Fixed23.25p57.86p£839£75

Gas Tariffs

SupplierTariffTypeUnit RateStandingEst. AnnualExit Fee
Co-op EnergyCo-op 12M FixedVariable5.37p34.01p£741None
Good EnergyGood Energy Fix Feb27Fixed5.37p33.87p£741£50
EDF EnergyPAYG Simply Fixed 2Yr Mar28v5Fixed5.85p29.35p£780£75

Prices shown are for direct debit customers. Annual costs based on typical domestic usage (2,700 kWh electricity, 11,500 kWh gas). Use the comparison tool above for a personalised quote.

EV TariffsFor electric vehicle owners

SupplierTariffOff-PeakPeakStandingExit Fee
EDF EnergyEVolve Tracker Apr2718.18p28.18p52.75p£25
Good EnergyGood Energy EV Charge Fix 12m Aug268.00p30.63p58.04p£75

Off-peak rates typically apply overnight (e.g., 11:30pm-5:30am). Ideal for charging EVs while you sleep.

Heat Pump TariffsFor homes with heat pumps

SupplierTariffOff-PeakPeakStandingExit Fee
Octopus EnergyCosy Octopus 12M Fixed10.70p39.96p49.80pNone
EDF EnergyHeat Pump Tracker 36m16.55p26.55p55.41pNone
Good EnergyGood Energy Heat Pump13.00p29.19p60.03p£75

Off-peak periods designed around typical heat pump usage patterns (early morning, afternoon, late evening).

Agile TariffsPrices change every 30 mins

SupplierTariffCurrent RateStandingExit Fee
EDF EnergyEmpower Fixed 12m19.52p60.77pNone
Octopus EnergyGreenAgile Octopus36.95p62.06pNone

Prices vary every 30 minutes based on wholesale market. Can be very cheap overnight, but expensive at peak times. Best for flexible usage.

Prices updated: 14 Sept 2026 at 06:08

South Wales Grid Right Now

Carbon Intensity
361 gCO2/kWh
very high
Renewables
8%
gas: 91.6%
solar: 6.1%
wind: 2.3%

Energy Efficiency in CF15

D
Average EPC Rating
National average
82%
On Mains Gas
A
19
B
753
C
1899
D
1775
E
443
F
89
G
22

Based on 5,000 energy certificates

Energy Usage in Rhondda Cynon Taf

2,857
kWh/year
Electricity
20% below average (3,554 kWh)
11,027
kWh/year
Gas
Close to national average (11,320 kWh)

Based on 109,754 electricity meters and 107,295 gas meters in Rhondda Cynon Taf. Source: DESNZ 2024.

Smart Meters in Rhondda Cynon Taf

72%
Have Smart Meters
Above national average (68%)
72% of meters are smart

Rhondda Cynon Taf has good smart meter coverage, making it easier for residents to track their energy usage and access time-of-use tariffs.

Off Mains Gas in Rhondda Cynon Taf

2%
Properties Off Gas Grid
Below national average (16%)
2,671
Homes Without Gas
of 111,540 properties

Data from DESNZ 2024. Properties not on the gas grid may be eligible for the Boiler Upgrade Scheme.

Renewable Energy in Rhondda Cynon Taf

5,940
Solar Installations
Below average (57.5 per 1,000 homes)
15
Wind Sites
Above average (311.1 MW)
4
Hydro Sites
Below average (0.2 MW)
1
Biogas Sites
Below average (1.2 MW)
376.3
MW
Total Capacity
Enough to power ~112,902 homes
Installed Capacity
Solar PV
63.9 MW
Wind
311.1 MW
Hydro
0.2 MW
Biogas
1.2 MW

Rhondda Cynon Taf ranks#166 of 314 for solar,#2 of 227 for wind,#44 of 87 for hydro,#102 of 152 for biogas. Data from DESNZ 2024.

Energy Grants & Support

ECO4 Scheme
Free heating and insulation upgrades for eligible low-income households
Homes rated D-G may qualify
Check eligibility
Great British Insulation Scheme
Free or subsidised insulation for middle-income households
Available to most homeowners
Check eligibility

Frequently Asked Questions

What grants are available for homeowners in Glan-y-llyn?

Depending on your circumstances, you may qualify for:

  • ECO4 Scheme - Free boiler replacement and insulation for low-income households with homes rated D-G
  • Boiler Upgrade Scheme - £7,500 towards heat pump installation (any homeowner)
  • Great British Insulation Scheme - Subsidised insulation for middle-income homes
  • Warm Home Discount - £150 off energy bills for eligible low-income households

Glan-y-llyn is a Suburban Area in Mid Glamorgan, Wales.

Electricity in Glan-y-llyn

When the electricity industry was privatised in 1997 the UK was divided into 14 Public Electricity Suppliers (PES for short). While you can now choose from many different electricity suppliers the PES areas that you are located in will have a significant effect on the cost of your electricity. Standing charges and unit rates differ between PES areas.

Glan-y-llyn is in the South Wales Electricity network PES area which covers the South Wales area of the UK.

South Wales Electricity is owned by National Grid Electricity Distribution who are the company responsible for maintaining the physical electricity network in Glan-y-llyn and the surrounding area.

Gas in Glan-y-llyn

Glan-y-llyn is connected to the gas distribution network so mains gas is available in this area.

Green Energy in Glan-y-llyn

Consumers are increasingly looking for green energy, also known as renewable energy, as a more environmentally friendly option for powering their homes. Several suppliers that specialise in wind energy, solar energy and hydroelectric energy are available in all parts of the UK and that includes Glan-y-llyn. Just use our handy checker at the top of this page and choose “Green Plans” to see renewable energy suppliers in this area.

What to do in an emergency

If you have an electrical emergency in Glan-y-llyn call National Grid Electricity Distribution on 0800 096 3080

If you have a gas emergency in Glan-y-llyn call National Gas Emergencies on 0800 111 999. If you are at home, and it is safe to do so, turn off your gas supply. Open doors and windows. Do not smoke or use matches or lighters. Do not turn electrical switches off or on.