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, July 21, 2014 through Thursday, July 24, 2014.

Notable Events

  • On Tuesday, July 22, due to tight capacity with binding reserve constraints and loads over the forecast, real-time LMPs for hours ending 5:00 p.m. and 7:00 p.m. were over $100/MWh, while the real-time LMPs for hour ending 6:00 p.m. were over $300/MWh.

Peak Load

  • 24,385 MW (preliminary), was recorded in the hour ending 5:00 p.m. on Wednesday, July 23, 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

$39.25

$47.20

1.00

1.00

1.20

ME

$37.36

$44.84

0.95

0.95

1.20

NH

$38.87

$46.65

0.99

0.99

1.20

VT

$39.30

$47.10

1.00

1.00

1.20

CT

$39.52

$47.81

1.01

1.01

1.21

RI

$39.02

$46.94

0.99

0.99

1.20

SEMA

$39.21

$47.14

1.00

1.00

1.20

WCMA

$39.44

$47.34

1.00

1.00

1.20

NEMA

$40.79

$47.58

1.04

1.01

1.17

 Day-Ahead Price Separation

  • On Monday, July 21, elevated pricing in the Rhode Island (RI) Load Zone was caused by a binding constraint on the Rhode Island Import Interface due to patterns of load and generation.
  • On Thursday, July 24, elevated pricing in the Northeastern Massachusetts (NEMA) Load Zone was caused by a binding constraint on the Boston Interface due to limited economic generation in the area.

Real-Time Price Separation

  • On Wednesday, July 23, depressed pricing in the Maine (ME) Load Zone was caused by a binding constraint on the Orrington South Interface due to the planned outage of the 3023 (Orrington-Albion Road) line. The 3023 line is expected to be restored on December 31.
  • On Thursday, July 24, elevated pricing in the NEMA Load Zone was caused by a binding constraint on the Boston Interface due to limited economic generation in the area.

Real-Time Price Corrections

  • None

 

 

Posted 7/25/2014 - Original

  Copyright ©2014 ISO New England Inc.