Trystan Lea

What might a Zero Carbon Gwynedd look like?

Published: 7th September, 2022

Early draft, work still in progress

Based on 58,008 households

Demand Summary

Current ZCB
Lighting, Appliances and Cooking 415 GWh/yr 234 GWh/yr (More efficient appliances)
Space and Water heat, fuel demand 1118 GWh/yr 269 GWh/yr (Retrofit & heat pumps*)
Transport demand 1380 GWh/yr 328 GWh/yr (Electrification & modal shifts)
Industry demand 478 GWh/yr 601 GWh/yr (Onshoring and economic growth)
Key progress metrics
% of heating electrified with heat pumps 90%
% of transport electrified 90%

Supply Summary

Current ZCB Progress
Offshore Wind 0 MW 270 MW 0%
Onshore Wind 4.7 MW 58 MW 10%
Solar PV 43 MW 174 MW 25%
Tidal 0 39 MW 0%
Wave 0 19 MW 0%
Solar Thermal ? 63 MW ?
Geo Thermal Electricity ? ? 25%
Geo Thermal Heat ? ? 25%
Hydro 57.5 MW 5.8 MW 991%
Biomass
Biomass for biogas ? 186 GWh/yr *
Biomass for liquid fuels ? 227 GWh/yr
Biomass for direct heat ? 79 GWh/yr
Storage, synth fuels and backup
High efficiency electricity storage ? 387 MWh
Electrolysis ? 52 MW
Hydrogen storage ? 40 GWh
Methanation capacity ? 5 GW
Methanation storage ? 126 GWh
Synth liquid fuel capacity ? 20 MW
Backup gas turbine capacity ? 120 MW