Shandong
2015
700
 MW
3.0
 MT/y

Guodian Tai an power station

Profitable?
No
 
Profitable?
Yes
 
Annual CO2 emissions saved
3.0
MT / year
Total W-S-B investment need
1.417
Bn. $

Investment breakdown

This power plant can be profitably converted to S-W-B with a $1.417 Bn total investment.
This power plant can be converted to S-W-B with a $1.417 Bn total investment.

Solar
1,091
M. $
Wind
266
M. $
Battery
60,300
M. $

Production costs

5.2
ct/kWh
Production cost of coal (Source: IEA World Energy Outlook 2022; adjusted)
3.70
ct/kWh
Production cost of renewable energy

Technical breakdown

Renewables installed capacity

Solar
1678
MW
Wind
229
MW
Battery
53
MWh

Renewable energy production

Share of Solar-Wind to match current coal production
75.1
%
24.9
%
Solar
Wind

Renewables area

Total area required for Wind-Solar mix*: 15.06 km²
*On sites with a high wind fraction, wind need = total need. Solar panels are placed within the area occupied by wind infrastructure.
13.43
km²
8.17
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
1330
kwh/kwp
Mean wind speed
8
m/s

Impact

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