Suez Weekly Market Monitor
Derek Mumford
Derek.mumford@suezenergyna.com
November 15, 2007
ERCOT Power
ERCOT power prices began the week slowly
decreasing into the middle of the week.
ERCOT prompt on peak month finished the week at
$54.49, down 6.20% or $3.38.
ERCOT Cal 09 on peak finished last week at $68.51/
MWh, down 3.00%.
ERCOT Cal 10 on peak closed at $65.31/MWh, down
2.09%.
The prompt month on peak for the Houston Zone finished
at $59.61/MWh, a decrease of 2.11%, and the prompt
month North Zone on peak finished at $54.49/MWh, down
6.20%.

NYISO-NEPOOL Power
Northeast power prices started the week on a steady
path and decreased as mid week approached.
NYISO Zone J on peak prompt month closed the week at
$92.85/MWh decreasing $4.25/MWh, a decrease of 4.58%
from last week.
NYISO Zone A on peak prompt month finished at $65.60/
MWh, a decrease of $3.13/MWh or 4.78%.
Massachusetts NEMA on peak prompt month closed at
$78.12/MWh, a decrease of 4.75% or $3.71/MWh.
Massachusetts SEMA on peak prompt month finished the
week at $79.52/MWh, decreasing 4.66% or $3.71/MWh.

PJM Power
PJM power prices started the week on a steady path
and decreased slightly at mid week. The week closed
with prices continuing on an decreasing path.
Cinergy on peak prompt month finished last week at
$56.27/MWh, a change of 6.56%, decreasing $3.69/MWh.
NI Hub on peak prompt month finished the same week with
a decrease of $3.81/MWh closing at $56.44/MWh, a
change of 6.76%.
PJM West Hub on peak prompt month decreased $3.07/
MWh closing at $66.12/MWh, a change of 4.64%.
PSEG on peak prices for the prompt month closed at
$82.42/MWh, a change of 3.72%, down $3.07/MWh.

Natural Gas Market
Natural gas prices started
the week on a decreasing
path and continued through mid
week and declined as the week
came to an end.
NYMEX prices for the prompt
month finished the week at
$7.90/MMBtu, an decrease of
6.60%.
NYMEX Cal 08 closed at
$8.23MMBtu, a change of
3.84%, down $0.32/MMBtu.
NYMEX Cal 09 finished the
week at $8.52/MMBtu; NYMEX
Cal 10 closed at $8.35/MMBtu.
Algonquin, Transco Z6, and
Tetco M3 prompt month closed
at $1.15/MMBtu, $1.45/MMBtu
and $0.97MMBtu.

Natural Gas Storage: Gas in Storage Increased 68 Bcf
Working gas in storage was
3,545 Bcf as of Friday, November
2, 2007, according to EIA
estimates. This represents a
net increase of 36 Bcf from the
previous week.
Stocks were 99 Bcf higher than
last year at this time and 291
Bcf above the 5-year average
of 3,254 Bcf.
In the East Region, stocks
were 110 Bcf above the 5-year
average following net injections
of 13 Bcf. Stocks in the Producing
Region were 143 Bcf
above the 5-year average of
920 Bcf a net injection of 17
Bcf. Stocks in the West Region
were 37 Bcf above the 5-year
average after a net addition of
6 Bcf. At 3,545 Bcf, total working
gas is above the 5-year
historical range.
(Sources: EIA)

Derek Mumford
Energy Analyst
Suez Energy Resources
November 15, 2007
Derek.mumford@suezenergyna.com