Inner Mongolia
2014
200
 MW
1.0
 MT/y

Dongyuan Tech power station

Profitable?
No
 
Profitable?
Yes
 
Annual CO2 emissions saved
1.0
MT / year
Total W-S-B investment need
0.375
Bn. $

Investment breakdown

This power plant can be profitably converted to S-W-B with a $0.375 Bn total investment.
This power plant can be converted to S-W-B with a $0.375 Bn total investment.

Solar
265
M. $
Wind
90
M. $
Battery
20,100
M. $

Production costs

5.2
ct/kWh
Production cost of coal (Source: IEA World Energy Outlook 2022; adjusted)
3.02
ct/kWh
Production cost of renewable energy

Technical breakdown

Renewables installed capacity

Solar
407
MW
Wind
78
MW
Battery
18
MWh

Renewable energy production

Share of Solar-Wind to match current coal production
69.2
%
30.8
%
Solar
Wind

Renewables area

Total area required for Wind-Solar mix*: 3.81 km²
*On sites with a high wind fraction, wind need = total need. Solar panels are placed within the area occupied by wind infrastructure.
3.26
km²
2.77
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
1684
kwh/kwp
Mean wind speed
9
m/s

Impact

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