South Chungcheong
2021
1018
 MW
3.9
 MT/y

Shin Seocheon power station

Profitable?
No
 
Profitable?
Yes
 
Annual CO2 emissions saved
3.9
MT / year
Total W-S-B investment need
2.125
Bn. $

Investment breakdown

This power plant can be profitably converted to S-W-B with a $2.125 Bn total investment.
This power plant can be converted to S-W-B with a $2.125 Bn total investment.

Solar
1,129
M. $
Wind
903
M. $
Battery
92,180
M. $

Production costs

5.2
ct/kWh
Production cost of coal (Source: IEA World Energy Outlook 2022; adjusted)
3.86
ct/kWh
Production cost of renewable energy

Technical breakdown

Renewables installed capacity

Solar
1737
MW
Wind
781
MW
Battery
81
MWh

Renewable energy production

Share of Solar-Wind to match current coal production
53.7
%
46.3
%
Solar
Wind

Renewables area

Total area required for Wind-Solar mix*: 27.88 km²
*On sites with a high wind fraction, wind need = total need. Solar panels are placed within the area occupied by wind infrastructure.
13.90
km²
27.88
km²
Area use solar
Area use wind

Environmental conditions

Key environmental conditions around coal plant site (10,000 km2)

These are input values for the SwitchCoal model taken from the following reliable sources:
Solar efficiency rate
1403
kwh/kwp
Mean wind speed
7
m/s

Impact

90%
of the world’s coal power plants can be profitably replaced by  wind-solar-battery plants.