Daily Market Summary
Tuesday February 1, 2005
Monday March 13 2017
ONTARIO ZONE MARKET QUANTITIES
ON PEAK1
DAILY
(MW)
OFF PEAK
Ave
Max
Min
Ave
Max
Min
Ave
Max
Min
Market Demand
19,222
20,796
16,748
20,081
20,796
18,659
17,503
19,219
16,748
Ontario Demand
17,180
19,110
14,587
17,992
19,110
16,294
15,556
17,905
14,587
Imports
1,247
1,874
638
1,199
1,643
661
1,344
1,874
638
Exports
2,094
2,470
1,356
2,136
2,470
1,644
2,010
2,418
1,356
Unavailable Capacity
11,196
12,496
9,699
10,929
12,221
9,773
11,732
12,496
9,699
ONTARIO ZONE MARKET PRICES2
DAILY
Energy Prices
($/MWh)
ON PEAK
OFF PEAK
Ave
Max
Min
Ave
Max
Min
Ave
Max
Min
HOEP
33.70
45.11
6.17
35.46
45.11
10.14
30.18
44.97
6.17
5 Minute MCP
33.70
73.46
0.00
35.46
55.00
0.00
30.18
73.46
0.00
10 Minute Sync
8.70
30.10
0.20
10.64
30.10
0.20
4.82
30.10
0.20
10 Minute Non-Sync
8.65
30.10
0.20
10.64
30.10
0.20
4.66
30.10
0.20
30 Minute
0.37
5.80
0.02
0.49
5.80
0.02
0.14
0.22
0.02
Operating Reserve
Prices ($/MWh/hr)
DAILY SUMMARY DATA4
Weighted
HOEP ($/MWh)
34.12
Total Market
Demand
(MWh)
461,328
Value of
Market
Demand ($)
15,740,511
1
CMSC Estimate
($)
338,075
Operating
Reserve
Estimate ($)
Emergency
Purchases
(MWh)
186,743
OnPeak hours are defined as hours 8 to 23 Monday to Friday (excluding holidays)
Prices are not considered final until two business days after the trade date.
3
Operating Reserve can vary from normal levels for two reasons. Firstly, when O/R is activated to recover from system contingencies, the
requirement is reduced until reserve can be re-prepared. Secondly, unexpected events can cause market sources of Operating Reserve to
be insufficient to meet the needs. Generator breakdowns, heavier than expected demand for electricity, or failed intertie imports, can
cause the IESO to use Out-of-Market sources to meet Northeast Power Coordinating Council-based O/R requirements. Out-of-Market O/R
sources can include relying on a plan to reduce demand by reducing the delivery voltage, converting firm export transactions to
interruptible transactions, or reducing required reserve for a limited time, as permitted under NPCC policies.
2
4
DA/RT IOG Summary value calculation removed on Oct. 12, 2011
0.0
Emergency
Sales (MWh)
0.0