Table 4 Nomenclature

d^ht

Heat demand

l^hg,max

Maximum load of the heat generator

F

Utility function

p^el

Hourly electricity price

g^el,w

Amount of electricity

t

Current time step

generation from offshore wind

T

Time horizon

l^s

Heat storage load

s

Heat storage level

l^s,max

Maximum heat storage

s^max

Maximum capacity of the heat storage

charging or discharging load

Θ

Share of offshore wind

l^el

Amount of electric load

ϕ

Hourly storage efficiency

l^hg

Heat generator load