Shandong
2015
1320
 MW
6.0
 MT/y

Weiqiao Aluminum power station

Profitable?
No
 
Profitable?
Yes
 
Annual CO2 emissions saved
6.0
MT / year
Total W-S-B investment need
2.892
Bn. $

Investment breakdown

This power plant can be profitably converted to S-W-B with a $2.892 Bn total investment.
This power plant can be converted to S-W-B with a $2.892 Bn total investment.

Solar
2,271
M. $
Wind
501
M. $
Battery
120,599
M. $

Production costs

5.2
ct/kWh
Production cost of coal (Source: IEA World Energy Outlook 2022; adjusted)
3.76
ct/kWh
Production cost of renewable energy

Technical breakdown

Renewables installed capacity

Solar
3494
MW
Wind
432
MW
Battery
106
MWh

Renewable energy production

Share of Solar-Wind to match current coal production
76.7
%
23.3
%
Solar
Wind

Renewables area

Total area required for Wind-Solar mix*: 31.03 km²
*On sites with a high wind fraction, wind need = total need. Solar panels are placed within the area occupied by wind infrastructure.
27.95
km²
15.42
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
1304
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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