Saemangeum CHP power station

North Jeolla

2016

304

MW

1.4

MT/y

Saemangeum CHP power station

Profitable?

No

Profitable?

Yes

Annual CO2 emissions saved

1.4

MT / year

Total W-S-B investment need

0.658

Bn. $

Investment breakdown

Investment Sum

This power plant can be profitably converted to S-W-B with a $0.658 Bn total investment.

This power plant can be converted to S-W-B with a $0.658 Bn total investment.

Solar

350

M. $

Wind

280

M. $

Battery

28,140

M. $

Production costs

5.2

ct/kWh

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

3.90

ct/kWh

Production cost of renewable energy

Technical breakdown

Renewables installed capacity

Solar

539

MW

Wind

242

MW

Battery

25

MWh

Renewable energy production

Share of Solar-Wind to match current coal production

54.9

%

45.1

%

Solar

Wind

Renewables area

Total area required for Wind-Solar mix*: 8.64 km²

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

4.31

km²

8.64

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

1413

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.

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