Alberta Electric System Operator
Weekly Graphs: July 19, 2009 to July 25, 2009

 

 



 

 

 


AESO Weekly Report

19-July-09 to 25-July-09

Pool Prices ($/MWh)

Occurred on:

Day

19-Jul

20-Jul

21-Jul

22-Jul

23-Jul

24-Jul

25-Jul

Week

Date

Hr

 

 

 

 

 

 

 

 

 

 

 

Minimum

2.93

20.12

18.00

18.03

13.39

14.40

15.05

2.93

19-Jul

8

Maximum

48.62

84.57

159.20

71.94

62.97

115.87

152.46

159.20

21-Jul

16

Daily Average

25.68

46.74

56.01

41.43

37.84

48.09

46.91

43.24

 

 

Weighted Average*

26.51

48.57

58.85

42.89

39.18

49.83

48.28

45.08

 

 

 

 

 

 

 

 

 

 

 

 

 

System Demand (MW)

Occurred on:

Day

19-Jul

20-Jul

21-Jul

22-Jul

23-Jul

24-Jul

25-Jul

Week

Date

Hr

 

 

 

 

 

 

 

 

 

 

 

Minimum

6,463

6,813

6,815

6,992

7,117

7,188

7,046

6,463

19-Jul

7

Maximum

7,872

8,690

8,857

9,066

9,066

9,070

8,618

9,070

24-Jul

14

 

 

 

 

 

 

 

 

 

 

 

Energy Traded (MWh)

 

 

Day

19-Jul

20-Jul

21-Jul

22-Jul

23-Jul

24-Jul

25-Jul

Week

 

 

Total

174,805

188,969

191,647

196,316

198,471

197,504

191,432

1,339,144

 

 

 

*Weighted Average is calculated as summation of hourly pool price ($/MWh) multiplied by hourly Demand (MWh), this total is then divided by the summation of hourly demand (MWh).

 

 


The weekly system peak demand was 9,070 MW and total energy demand was 1,339 GWh as compared to the previous week's 8,791 MW and 1,302 GWh.

 

The weekly maximum pool price was 159.20 $/MWh versus the previous week's 599.88 $/MWh.  

 

Highlights:

 

Date

Time

Event

July 19, 2009

18:06

Calgary Energy Centre off line.

 

20:43

Genesee #2 off line.

July 20, 2009

08:15

Sheerness #1 on line.

 

08:22

Calgary Energy Centre on line.

 

17:26

Sundance #3 on line.

 

23:08

Calgary Energy Centre off line.

July 21, 2009

08:32

Calgary Energy Centre on line.

 

09:59

The AESO is proceeding with connectivity testing related to the EMS Upgrade.  During the test period, the MW values listed for the following asset will not be updated on the CSD page and the values will remain static:
Soderglen Wind

 

10:13

The connectivity testing for Soderglen Wind is now complete.  The CSD page is now being updated.

 

10:14

The AESO is proceeding with connectivity testing related to the EMS Upgrade.  During the test period, the MW values listed for the following asset will not be updated on the CSD page and the values will remain static: Summerview

 

10:31

The connectivity testing for Summerview is now complete.  The CSD page is now being updated

 

11:06

The AESO is proceeding with connectivity testing related to the EMS Upgrade.  During the test period, the MW values listed for the following asset will not be updated on the CSD page and the values will remain static:
 Muskeg River

 

11:39

The connectivity testing for Muskeg River is now complete.  The CSD page is now being updated.

 

11:40

The AESO is proceeding with connectivity testing related to the EMS Upgrade.  During the test period, the MW values listed for the following asset will not be updated on the CSD page and the values will remain static:
Suncor #1

 

12:14

Sundance #3 off line

 

14:13

The connectivity testing for Suncor #1 is now complete.  The CSD page is now being updated.

 

14:13

The AESO is proceeding with connectivity testing related to the EMS Upgrade.  During the test period, the MW values listed for the following asset will not be updated on the CSD page and the values will remain static:
ATCO Scotford Upgrader

 

14:51

The connectivity testing for ATCO Scotford Upgrader is now complete.  The CSD page is now being updated.

 

15:35

The AESO is proceeding with connectivity testing related to the EMS Upgrade.  During the test period, the MW values listed for the following asset will not be updated on the CSD page and the values will remain static: EnCana Foster Creek

 

16:05

The connectivity testing for EnCana Foster Creek is now complete.  The CSD page is now being updated.

 

18:35

Genesee #2 on line.

July 22, 2009

00:07

Calgary Energy Centre off line.

 

08:30

Calgary Energy Centre on line.

 

10:52

Sundance #3 on line.

 

23:28

Calgary Energy Centre off line.

July 23, 2009

07:00

Calgary Energy Centre on line.

July 24, 2009

07:01

Calgary Energy Centre on line.

 

20:44

HR Milner off line

 

23:56

Calgary Energy Centre off line.

July 25, 2009

08:02

Calgary Energy Centre on line.

 

20:39

Sundance #2 off line.

 

Prepared on August 4th, 2009

 




ALBERTA ELECTRIC SYSTEM OPERATOR (AESO)

2500, 330 – 5th Avenue SW
Calgary, AB T2P 0L4
Phone: (403) 539-2450
Fax: (403) 539-2949

 

Copyright Alberta Electric System Operator. ©2003. All rights reserved.