John Madgett Station

Wisconsin

1979

387

MW

2.1

MT/y

John Madgett Station

Profitable?

No

Profitable?

Yes

Annual CO2 emissions saved

2.1

MT / year

Total W-S-B investment need

0.832

Bn. $

Investment breakdown

Investment Sum

This power plant can be profitably converted to S-W-B with a $0.832 Bn total investment.

This power plant can be converted to S-W-B with a $0.832 Bn total investment.

Solar

201

M. $

Wind

589

M. $

Battery

42,210

M. $

Production costs

5.2

ct/kWh

Production cost of coal (Source: IEA World Energy Outlook 2022; adjusted)

3.41

ct/kWh

Production cost of renewable energy

Technical breakdown

Renewables installed capacity

Solar

309

MW

Wind

427

MW

Battery

37

MWh

Renewable energy production

Share of Solar-Wind to match current coal production

20.4

%

79.6

%

Solar

Wind

Renewables area

Total area required for Wind-Solar mix*: 15.24 km²

*On sites with a high wind fraction, wind need = total need. Solar panels are placed within the area occupied by wind infrastructure.

2.47

km²

15.24

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:

www.globalwindatlas.info | www.globalsolaratlas.info

Solar efficiency rate

1373

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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