Puyang Cogen power station

Henan

2011

470

MW

2.4

MT/y

Puyang Cogen power station

Profitable?

No

Profitable?

Yes

Annual CO2 emissions saved

2.4

MT / year

Total W-S-B investment need

1.207

Bn. $

Investment breakdown

Investment Sum

This power plant can be profitably converted to S-W-B with a $1.207 Bn total investment.

This power plant can be converted to S-W-B with a $1.207 Bn total investment.

Solar

801

M. $

Wind

358

M. $

Battery

48,240

M. $

Production costs

5.2

ct/kWh

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

3.99

ct/kWh

Production cost of renewable energy

Technical breakdown

Renewables installed capacity

Solar

1233

MW

Wind

308

MW

Battery

42

MWh

Renewable energy production

Share of Solar-Wind to match current coal production

64.6

%

35.4

%

Solar

Wind

Renewables area

Total area required for Wind-Solar mix*: 12.07 km²

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

9.86

km²

11.01

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

1246

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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