Weekly Market Performance Report
Market Highlights1 (March 29–April 4)
•
The average DLAP price in the integrated forward market was $46.71. The
maximum and minimum DLAP prices were $94.65 and $28.27, respectively. The
maximum and minimum PNode prices in the integrated forward market were
$391.24 and -$66.30 respectively.
•
The top two interties congested in the integrated forward market were PACI_ITC
and IID-SCE_ITC. Congestion rents in this week totaled $14,913,822.16.
•
The average day-ahead ancillary service prices were between $0.09 and $19.96.
•
Approximately 95.46 percent of the RUC requirements were met from RA units.
•
The average real-time DLAP price was $45.56, with a maximum price of
$2,156.22 and a minimum price of -$31.83. The maximum and minimum PNode
prices in the real-time dispatch were $2,920.07 and -$2,284.34, respectively.
•
Out of the total 2,016 five-minute intervals, 40 intervals saw DLAP prices above
$250 and 13 intervals saw DLAP prices below -$30.
•
Root cause for daily high price events are noted below.
Trade Date
Apr 02, HE 7
Root Cause
Congestion on SCE_PCT_IMP_BG, load change, and re-dispatch of
resources
Congestion on BARRE_LEWIS NG and/or SCE_PCT_IMP_BG,
and re-dispatch of resources
Congestion on SCE_PCT_IMP_BG, load change, and re-dispatch
of resources
Congestion on SCE_PCT_IMP_BG and re-dispatch of resources
Congestion on 7820_TL 230S_OVERLOAD_NG and re-dispatch of
resources
Congestion on 7820_TL 230S_OVERLOAD_NG and load change
Apr 02, HE 10
Load change and re-dispatch of resources
Apr 02, HE 12
Congestion on SOUTHLUGO_RV_BG
Congestion on 7820_TL 230S_OVERLOAD_NG, load change, and
re-dispatch of resources
Congestion on SOUTH_OF_LUGO and 7820_TL_OVERLOAD_NG,
and load change
Load change, congestion on SOUTH_OF_LUGO, and generator
outage
Mar 29, HE 7, 17, 18
Mar 29, HE 21
Mar 30, HE 22
Mar 31, HE 21, 24
Apr 01, HE 20
Apr 03, HE 9
Apr 03, HE 20
Apr 04, HE 13
1
A description of the metrics presented in this report is available at
http://www.caiso.com/205c/205cb4c74bc40.html
Market Quality and Renewable Integration/Q.Yu
1
Weekly Market Performance Report
Figure 1: Day-Ahead (IFM) LAP LMP
100
90
80
Price ($/MWh)
70
60
50
40
30
20
10
PGAE
SCE
4-Apr
3-Apr
2-Apr
1-Apr
31-Mar
30-Mar
29-Mar
0
SDGE
Figure 2: Day-Ahead Congestion Rents
$4.50
Congestion Rents (in Millions)
$4.00
$3.50
$3.00
$2.50
$2.00
$1.50
$1.00
$0.50
Flow-Gates
PACI_ITC
Market Quality and Renewable Integration/Q.Yu
IID-SCE_ITC
NOB_ITC
4-Apr
3-Apr
2-Apr
1-Apr
31-Mar
30-Mar
29-Mar
$0.00
Other Interties
2
Weekly Market Performance Report
Figure 3: Day-Ahead (IFM) Average A/S Price
25
Price ($/MWh)
20
15
10
5
Reg Dn
Reg Up
Spin
4-Apr
3-Apr
2-Apr
1-Apr
31-Mar
30-Mar
29-Mar
0
Non Spin
Figure 4: Day-Ahead Average RUC Price
14
12
Price ($/MWh)
10
8
6
4
2
0
Market Quality and Renewable Integration/Q.Yu
4-Apr
3-Apr
2-Apr
1-Apr
31-Mar
30-Mar
29-Mar
-2
3
Weekly Market Performance Report
Figure 5: Real-Time (RTPD) Average A/S Price
300
250
Price ($/MWh)
200
150
100
50
Reg Up
Spin
4-Apr
3-Apr
2-Apr
1-Apr
31-Mar
30-Mar
29-Mar
0
Non Spin
Reg Dn
Figure 6: Real-Time (RTD) LAP LMP
2500
2000
Price ($/MWh)
1500
1000
500
0
PGAE
Market Quality and Renewable Integration/Q.Yu
SCE
4-Apr
3-Apr
2-Apr
1-Apr
31-Mar
30-Mar
29-Mar
-500
SDGE
4