Reliability

Explore our infographics detailing reliability of coal power stations over a recent six-month period.

Coal power station cooling towers.

Availability

Fossil fueled power stations often break down, meaning we can’t rely on them when needed.

Over the twelve months to 30 November 2025, an average of 4.7 GW of coal fired generating capacity has been unavailable.

Queensland

Map of Queensland coal power stations
Over the six months to
November 2024
30 November 2025
, an average of 1987 MW, or 25%, of coal fired generating capacity has been unavailable in Queensland – the equivalent of every unit being offline for 44 out of the 180 days.
Power station
Capacity
Average unavailable capacity
Equivalent offline days
Tarong North
443
 MW
43
%
0
/
180
Gladstone
1680
 MW
37
%
0
/
180
Callide C
886
 MW
37
%
0
/
180
Millmerran
852
 MW
26
%
0
/
180
Callide B
700
 MW
20
%
0
/
180
Tarong
1400
 MW
16
%
0
/
180
Kogan Creek
744
 MW
16
%
0
/
180
Stanwell
1460
 MW
9
%
0
/
180

New South Wales

Map of New South Wales coal power stations
Over the six months to
November 2024
30 November 2025
, an average of 1995 MW, or 25%, of coal fired generating capacity has been unavailable in New South Wales – the equivalent of every unit being offline for 44 out of the 180 days.
Power station
Capacity
Average unavailable capacity
Equivalent offline days
Vales Point B
1320
 MW
29
%
0
/
180
Eraring
2880
 MW
27
%
0
/
180
Bayswater
2460
 MW
21
%
0
/
180
Mt Piper
1400
 MW
16
%
0
/
180

Victoria

Map of Victorian coal power stations
Over the six months to
November 2024
30 November 2025
, an average of 1054 MW, or 23%, of coal fired generating capacity has been unavailable in Victoria – the equivalent of every unit being offline for 41 out of the 180 days.
Power station
Capacity
Average unavailable capacity
Equivalent offline days
Yallourn W
1480
 MW
33
%
0
/
180
Loy Yang A
2210
 MW
17
%
0
/
180
Loy Yang B
1000
 MW
6
%
0
/
180