Generator Cost Price

Units:$/MWh
Mode:Output Only
Multi-band:True
Default Value:
Validation Rule:
Key Property:No
Description:Marginal cost of energy in band

Generator Cost Price is the marginal cost of production excluding emissions. It is reported by band and is paired with Offer Quantity.

Cost Price is the offer that is used in dispatch if:

The true marginal cost may vary across the band so the reported cost price is that at the mid-point of the band.

Please refer to SRMC, for details of how the marginal cost is computed at a megawatt point.

Example:

The following capacity and heat rate input are used in this example:

Property Value Units
Units 1 -
Max Capacity 250 MW
Commit 1 -
Min Stable Level 70 MW
Heat Rate Base 78 GJ
Heat Rate Incr 9.175 GJ/MWh

These are the reported offers including Cost Price:

Property Units Band 6/07/2003 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00
Offer Quantity MW 1 70.00 70.00 70.00 70.00 70.00 70.00 70.00 70.00 70.00 70.00
Offer Quantity MW 2 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00
Offer Quantity MW 3 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00
Offer Quantity MW 4 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00
Offer Quantity MW 5 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00
Offer Quantity MW 6 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00
Offer Quantity MW 7 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00
Offer Quantity MW 8 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00
Offer Quantity MW 9 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00
Offer Quantity MW 10 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00
Offer Price $/MWh 1 24.92 24.92 24.92 24.92 24.92 24.92 24.92 24.92 24.92 24.92
Offer Price $/MWh 2 26.22 26.22 26.22 26.22 26.22 26.22 26.22 26.22 26.22 26.22
Offer Price $/MWh 3 26.80 26.80 26.80 26.80 26.80 26.80 26.80 26.80 26.80 26.80
Offer Price $/MWh 4 27.38 27.38 27.38 27.38 27.38 27.38 27.38 27.38 27.38 27.38
Offer Price $/MWh 5 27.96 27.96 27.96 27.96 27.96 27.96 27.96 27.96 27.96 27.96
Offer Price $/MWh 6 28.54 28.54 28.54 28.54 28.54 28.54 28.54 28.54 28.54 28.54
Offer Price $/MWh 7 29.12 29.12 29.12 29.12 29.12 29.12 29.12 29.12 29.12 29.12
Offer Price $/MWh 8 29.69 29.69 29.69 29.69 29.69 29.69 29.69 29.69 29.69 29.69
Offer Price $/MWh 9 30.27 30.27 30.27 30.27 30.27 30.27 30.27 30.27 30.27 30.27
Offer Price $/MWh 10 30.85 30.85 30.85 30.85 30.85 30.85 30.85 30.85 30.85 30.85
Cost Price $/MWh 1 24.92 24.92 24.92 24.92 24.92 24.92 24.92 24.92 24.92 24.92
Cost Price $/MWh 2 26.22 26.22 26.22 26.22 26.22 26.22 26.22 26.22 26.22 26.22
Cost Price $/MWh 3 26.80 26.80 26.80 26.80 26.80 26.80 26.80 26.80 26.80 26.80
Cost Price $/MWh 4 27.38 27.38 27.38 27.38 27.38 27.38 27.38 27.38 27.38 27.38
Cost Price $/MWh 5 27.96 27.96 27.96 27.96 27.96 27.96 27.96 27.96 27.96 27.96
Cost Price $/MWh 6 28.54 28.54 28.54 28.54 28.54 28.54 28.54 28.54 28.54 28.54
Cost Price $/MWh 7 29.12 29.12 29.12 29.12 29.12 29.12 29.12 29.12 29.12 29.12
Cost Price $/MWh 8 29.69 29.69 29.69 29.69 29.69 29.69 29.69 29.69 29.69 29.69
Cost Price $/MWh 9 30.27 30.27 30.27 30.27 30.27 30.27 30.27 30.27 30.27 30.27
Cost Price $/MWh 10 30.85 30.85 30.85 30.85 30.85 30.85 30.85 30.85 30.85 30.85
Offer Cleared MW 1 0.00 0.00 0.00 70.00 70.00 70.00 70.00 70.00 70.00 70.00
Offer Cleared MW 2 0.00 0.00 0.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00
Offer Cleared MW 3 0.00 0.00 0.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00
Offer Cleared MW 4 0.00 0.00 0.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00
Offer Cleared MW 5 0.00 0.00 0.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00
Offer Cleared MW 6 0.00 0.00 0.00 0.00 20.00 20.00 20.00 20.00 20.00 20.00
Offer Cleared MW 7 0.00 0.00 0.00 0.00 0.00 0.00 20.00 20.00 20.00 20.00
Offer Cleared MW 8 0.00 0.00 0.00 0.00 0.00 0.00 20.00 20.00 20.00 20.00
Offer Cleared MW 9 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20.00 20.00 20.00
Offer Cleared MW 10 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20.00
Units Generating - 1 0.00 0.00 0.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
Generation MW 1 0.00 0.00 0.00 150.00 170.00 170.00 210.00 230.00 230.00 250.00
Fuel Offtake GJ 1 0.00 0.00 0.00 1,381.95 1,572.20 1,572.20 1,964.26 2,166.08 2,166.08 2,371.75
SRMC $/MWh 1 23.91 23.91 23.91 28.25 28.83 28.83 29.98 30.56 30.56 31.14
Generation Cost $ 1 0.00 0.00 0.00 4,145.85 4,716.59 4,716.59 5,892.79 6,498.23 6,498.23 7,115.25