Mid-Week Market Update

This report contains a brief update on New England wholesale market pricing and congestion, published on the last business day of the week, generally covering the preceding Monday through Thursday. Access the most recent full week’s report, which is published on Wednesdays.

This report covers Monday, April 14, 2014 through Thursday, April 17, 2014.

Notable Events

  • A Minimum Generation Emergency was declared on Monday, April 14, from 3:00 a.m. till 5:30 a.m., resulting in one hour with $0/MWh LMPs system-wide during that time period.

Peak Load

  • 15,812 MW (preliminary), was recorded in the hour ending 9:00 p.m. on Wednesday, April 16, 2014

LMP Statistics

Hub/ Load Zone

Avg DA LMP ($/MWh)

Avg RT LMP ($/MWh)

DA as % of Hub

RT as % of Hub

RT as % of DA

Hub

$48.94

$42.23

1.00

1.00

0.86

ME

$46.41

$40.67

0.95

0.96

0.88

NH

$48.88

$42.17

1.00

1.00

0.86

VT

$48.03

$41.08

0.98

0.97

0.86

CT

$50.49

$42.74

1.03

1.01

0.85

RI

$48.52

$41.91

0.99

0.99

0.86

SEMA

$48.63

$42.12

0.99

1.00

0.87

WCMA

$49.20

$42.37

1.01

1.00

0.86

NEMA

$49.45

$42.82

1.01

1.01

0.87

 Day-Ahead Price Separation

  • On Tuesday, April 15, depressed pricing in the Maine (ME) Load Zone was caused by a binding constraint on the Orrington-South Interface due to a planned equipment outage. The equipment is expected to be restored on May 4
  • On Wednesday, April 16, depressed pricing in the Rhode Island (RI) Load Zone was caused by a binding constraint on the Q143S-5 (Franklin Square-Admiral) line due to a planned equipment outage. The equipment is expected to be restored on April 21.
  • On Thursday, April 17, elevated pricing in the Connecticut (CT) Load Zone and depressed pricing in the Western Central Massachusetts (WCMA) Load Zone was caused by a binding constraint on the Western Connecticut Import Interface due to the planned outage of the 364 (Montville-Haddam Neck) line. The 364 line is expected to be restored on April 25.

Real-Time Price Separation

  • On Monday and Tuesday, April 14 and 15, depressed pricing in the ME Load Zone was caused by a binding constraint on the Orrington-South Interface due to the aforementioned equipment outage. The equipment is expected to be restored on May 4.
  • On Wednesday and Thursday, April 16 and 17, depressed pricing in the RI Load Zone was caused by a binding constraint on the Q143S-5 (Franklin Square-Admiral) line due to the aforementioned equipment outage.
  • On Thursday, April 17, elevated pricing in the Connecticut (CT) Load Zone and depressed pricing in the Western Central Massachusetts (WCMA) Load Zone was caused by a binding constraint on the Western Connecticut Import Interface due to the aforementioned outage of the 364 line.

Real-Time Price Corrections

  • None

 

 

Posted 4/18/2014 - Original

  Copyright ©2014 ISO New England Inc.