Suez Weekly Market Monitor
Derek Mumford
Derek.mumford@suezenergyna.com
November 28, 2007
ERCOT Power
ERCOT power prices began the week on a downward
path up to midweek. The week ended with prices
moving on a steady path.
ERCOT prompt month finished the week at $47.56, down
7.11% or $3.38.
ERCOT ‘Cal ‘08 closed at $66.44MWh, down 2.83%.
ERCOT ‘Cal ‘09 closed at $65.56/MWh, down 2.15%.
ERCOT ‘Cal ‘10 closed at $63.34/MWh, down 1.48%.
The prompt month on peak for the Houston Zone finished
at $55.19/MWh, and the prompt month North Zone on peak
finished at $47.56/MWh.

NYISO-NEPOOL Power
Northeast power prices started the week on a steady
path and decreased as midweek approached. The
week ended with power prices moving upwards.
NYISO Zone J on peak prompt month closed the week at
$93.23/MWh increasing $1.06/MWh, an increase of 1.14%
from last week.
NYISO Zone A on peak prompt month finished at $65.09/
MWh, an increase of $0.32/MWh or 0.49%.
Massachusetts NEMA on peak prompt month closed at
$77.29/MWh, an increase of 0.54% or $0.42/MWh.
Massachusetts SEMA on peak prompt month finished the
week at $78.68/MWh, increasing 0.53% or $0.42/MWh.

PJM Power
PJM power prices started the week on a steady path
and increased slightly at mid week. The week closed
with prices continuing on an increasing path.
Cinergy on peak prompt month finished last week at
$56.42/MWh, a change of 0.19%, increasing $0.11/MWh.
NI Hub on peak prompt month finished the same week
with an increase of $0.81/MWh closing at $57.31/MWh, a
change of 1.41%.
PJM West Hub on peak prompt month increased $0.58/
MWh closing at $67.33/MWh, a change of 0.87%.
PSEG on peak prices for the prompt month closed at
$83.63/MWh, a change of 0.70%, up $0.58/MWh.

Natural Gas Market
N atural gas prices started
the week on a declining
path and leveled off at midweek.
Natural gas prices finished
the week on an inclining
path.
NYMEX prices for the prompt
month finished the week at
$7.70/MMBtu.
NYMEX Cal ‘08 closed at
$8.03/MMBtu, a change of
0.55%, down $0.04/MMBtu.
NYMEX Cal ‘09 finished the
week at $8.44/MMBtu; NYMEX
Cal ‘10 closed at $8.33/MMBtu.
Algonquin, Transco Z6, and
Tetco M3 prompt month basis
to NYMEX closed at $1.17/
MMBtu, $1.49/MMBtu and
$0.99/MMBtu.

Natural Gas Storage: Gas in Storage Increased 4 Bcf
Working gas in storage was
3,540 Bcf as of Friday, November
16, 2007, according to EIA
estimates.
This represents a net increase
of 4 Bcf from the previous
week.
Stocks were 91 Bcf higher than
last year at this time and 284
Bcf above the 5-year average
of 3,256 Bcf.
In the East Region, stocks
were 87 Bcf above the 5-year
average following net withdrawals
of 11 Bcf.
Stocks in the Producing Region
were 148 Bcf above the 5-year
average of 923 Bcf after a net
injection of 8 Bcf.
Stocks in the West Region
were 50 Bcf above the 5-year
average after a net addition of
7 Bcf.
At 3,540 Bcf, total working gas
is above the 5-year historical
range.

Derek Mumford
Energy Analyst
Suez Energy Resources
November 28, 2007
Derek.mumford@suezenergyna.com