Hwa Ya Cogen power station

Taoyuan

2004

300

MW

1.6

MT/y

Hwa Ya Cogen power station

Profitable?

No

Profitable?

Yes

Annual CO2 emissions saved

1.6

MT / year

Total W-S-B investment need

0.731

Bn. $

Investment breakdown

Investment Sum

This power plant can be profitably converted to S-W-B with a $0.731 Bn total investment.

This power plant can be converted to S-W-B with a $0.731 Bn total investment.

Solar

285

M. $

Wind

414

M. $

Battery

32,160

M. $

Production costs

5.2

ct/kWh

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

4.03

ct/kWh

Production cost of renewable energy

Technical breakdown

Renewables installed capacity

Solar

438

MW

Wind

358

MW

Battery

28

MWh

Renewable energy production

Share of Solar-Wind to match current coal production

31.9

%

68.1

%

Solar

Wind

Renewables area

Total area required for Wind-Solar mix*: 12.79 km²

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

3.50

km²

12.79

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

1155

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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