Pacific Gas and Electric said the unusual event declared Mondayat its Diablo Canyon Power Plant Unit 1 was terminated at 9:57 a.m.Tuesday morning. It noted that “An Unusual Event” is the lowestlevel of emergency classification as defined by the NRC and doesnot require any emergency action by the general public or anygovernment agency. Throughout the event all reactor safety systemsfunctioned properly and radiation monitors did not detect anyradioactivity above normal background, the utility said. The eventwas terminated after off-site power was restored to the unit anddiesel generators used to power cooling equipment during the eventwere shut off and placed in standby. Offsite power was lostfollowing an electrical short and fire at 12:25 a.m. Monday. Thediesel generators are used to power reactor cooling equipment inthe event of a reactor trip when offsite power is not available.Efforts at the plant are now focused on determining the cause ofthe electrical short and fire and to make repairs.
Tuesday
Articles from Tuesday
Transportation Notes
Florida Gas Transmission lifted Sunday a market-area Overage AlertDay notice that had been issued last Tuesday (see Daily GPI, May 10), but cautioned shippers it wouldcontinue to monitor hourly and daily takes.
Transportation notes
Citing significant demand, Florida Gas Transmission issued anOverage Alert Day notice Tuesday for its market area. The noticehad a 10% tolerance for negative daily imbalances, but FGTsaid itmay reduce the percentage if conditions do not improve. Thepipeline, which previously re-evaluated system operations eachmorning before announcing whether an OAD would be extended, nowsays the notices will remain in effect “until further notice.”
Transportation Notes
Transwestern said its Crawford Lateral will be down for plannedmaintenance Tuesday and Wednesday. No flows will be scheduled atthe 500267 meter, affecting about 50 MMcf/d, the pipeline said.
Bulls vs. Bears: Call it a Tie Tuesday
Natural gas futures seesawed to either side of unchanged only tofinish just a fraction of a cent higher yesterday as a late roundof fund buying retraced losses stemming from commercial and localselling earlier in the session.
Transportation Notes
Florida Gas Transmission issued an Overage Alert Day noticeTuesday morning for that gas day and extended the notice through atleast today. Citing significant demand in its market area, FGTapplied the notice to the downstream segment east of Station 12 innorth-central Florida. The notice carried a 6% tolerance fornegative daily imbalances; however, FGT said if conditions do notimprove, it may cut the percentage prior to the start of today’sgas day.
Cash Market Decides to Stand Pat for the Moment
With little to no change in influences from Monday, cash pricessaw little reason for change themselves Tuesday. The result was agenerally flat market, but small declines outweighed the fewup-ticks.
Transportation Notes
NGPL will perform annual maintenance Tuesday through Friday on aunit at Compressor Station 167 (Lea County, NM), reducing areacapacity by about 21,000 MMBtu/d. Depending on nomination levels,only a limited amount of ITS/AOR service may be scheduled for gasreceived in the Permian Zone’s Segments 7, 8 or 9 and deliveredoutside the Permian Zone. The pipeline has scheduled a constructionshutdown of its Old Ocean Lateral for April 27-29. Eight points inBrazoria County, TX, and one in Matagorda County, TX, must takenominations to zero during the outage.
Prices Flat as Traders Await New Influences
The cash market arrested the slide that had been developingTuesday by coming to a near-standstill in price movement Wednesday.Only a few points ranged any further than a penny or so to eitherside of flat.
Transportation Notes
Due to unexpected maintenance on its TL-342 line affectingdeliveries into the PL-1 market, CNG canceled all interruptible andnon PL-1 secondary service Tuesday until further notice.
