Cal-ISO, the nonprofit agency that manages 75% of California's transmission power grid, directed SCE to curtail its interruptible
customers and to reduce "firm" electrical load by approximately 800 megawatts shortly before 4 p.
Columbia Gulf said it expects to begin interruptible
transportation service on Aug.
It is further attributed to an exceptionally strong third quarter in 1993 that reported a high level of interruptible
transportation volumes on Texas Gas prior to implementation of Order 636.
EGS developed the pricing alternatives by applying forward pricing concepts to the natural gas industry, and approached Wisconsin Gas with the idea of marketing the program to its interruptible
industrial customers," said Mark Frevert, managing director of EGS.
This bid will establish a contract to supply MSU-Billings, Billings, Montana, Pine Hills Youth Correctional Facility (YCF), Miles City, Montana and Montana Women s Prison, Billings, MT hereafter referred to as "facilities with interruptible
natural gas service for the period of July 1, 2015 through June 30, 2017.
The other type of curtailment is caused by a rupture which is an extremely severe issue as both firm and interruptible
customers can be affected.
rate DR programs have been in existence for decades, and currently more than 100,000 generators are estimated to be enrolled in these programs across the nation.
Transportation revenue was up 35% year over year, which reflects cash flows from expansion projects and the impact of pipeline anomalies last year, but masks lower interruptible
and short-term firm transportation revenue resulting from weaker natural gas price spreads.
Rates--In many cases, rate discounts are available if a foundry becomes an interruptible
power user as the plant will allow the power company to cut or reduce power service for a period when the power company needs to reduce its overall load.
Last month, the ANP allowed BG and US company Enron to use the pipeline on an interruptible
basis, meaning they could only access idle capacity.
Concern about the price rises and supply constraints prompted a series of public meetings, at which some participants suggested that interruptible
gas service contracts--by shifting demand to backup fuels when tight gas supplies forced service interruptions--were a key factor in the heating oil price spikes.
The following article is the Executive Summary from the recently published Energy Information Administration (EIA) report Impact of Interruptible
Natural Gas Service on Northeast Heating Oil Demand, SR/OOG/2001-01.