To: John Mansfield who wrote (283 ) 3/29/1998 5:00:00 AM From: John Mansfield Respond to of 618
TECHNICAL - but interesting! Reaction on Fred Swirbul by Rick Cowles This is a reaction to the more optimistic view of Frd Swirbul (also posted here; this post replies to it). John ______________________ 'For the 'big boys' (large utility co's), I generally agree with Fred. However, when I make a consulting trip to a large, 2 unit nuclear facility that hasn't even gotten really started with their Y2k program (part time program manager; no dedicated resources; next outage planning already frozen), I've gotta wonder. My primary current concern is the 'second tier' power companies - the coop's and muni's that ain't got squat in resources (money or bodies) to throw at this thing. It only takes a few concurrent burps on the regional grids to take them down. T&D is the key to this thing. I'm just not seeing much of anything happening in the T&D sector; I guess that's why EPRI is focusing much of the May meeting in Dallas on T&D. The bottom line is: Because of the interconnectedness via the ISO (Independent System Operator), a "David" (small electric co-op) can take down a "Goliath" (such as a Pacific Gas and Electric). And it doesn't take much. A few short comments follow: On Sat, 28 Mar 1998 03:25:50 GMT, in comp.software.year-2000 you wrote: >1) Most base load power plants operated by U.S. electric utilities are OLD. Ehhhh....maybe not so true out east here. Within 5 miles either side of my house (I can see the stacks from my windows) I've got nearly 1200MW of brandy new cogen projects that Atlantic Energy absolutely depends on as 'baseload'. AE shutdown 3 of their 5 Deepwater generating units when these plants came online, 2 and 3 years ago, respectively. >The nuke plants were generally the last major base load plants to be >put on line, mostly '75-'85. These plants were designed 10 years earlier >(i.e not particulary high tech). Relatively few computer systems. >Essentailly no embedded systems. Most fossil fuel plants were built >before then and hydro plants definately were. > To some extent I agree. However (I was part of the PSE&G construction team at Hope Creek and spent the better part of 14 years there), I shudder when I think about the old Honeywell mainframe running the CRIDS (control room integrated display) system, the recent installation of digital feedwater (two outages ago), stupid stuff like loose parts monitoring, and all the UPS's. I have long lists of problems being found at supposedly 'older' plants; hey, design changes happen all the time to update and modernize. >THIS IS NOT TO SAY THERE AREN'T SIGNIFICANT Y2K PROBLEMS IN THE ELCTRIC >INDUSTRY, but it does make the problem easier to solve than in other >industries. > >Say 50% of the installed computer systems do have problems (our rate >is 12 of 26). But these are systems that mostly monitor the plant, only >sometimes control it, and therefore don't usually cause a plant trip. >Upgrades have occured over the years, especially in coal plants and older >nuclear plants, but these new systems are the ones the engineers then >know the best, both for the inventory and the assessment phases of any >Y2K program. Embedded systems have also crept in, and yes some do have >problems (I don't have good numbers yet to provide actual failure rates >of our embedded systems devices). However, unlike other industries, MOST I would agree with this too with the exception of the statement 'new systems are the ones the engineers know the best'. With the current rage of downsizing, a lot of plants have turned over personnel so frequently recently, that a fear of mine is that the experience base and history isn't there anymore in some cases. >2) Most Y2K utility remediation is being driven the NRC, directly or indirectly. > >Nuke plants are effectively already being driven by the Nuclear Regulatory >Commision (NRC) to address the Y2K problem. Their owner/operators are >smart and are including their fossil plants in their company's Y2K plans. >This ensures two things. 1) Most US Electric Utility base load plants >have a Y2K plan in place, and 2) There is senior management sponsorship >and involvement in the project. UTILITIES ARE GENERALLY GOOD AT SOLVING >LARGE, WELL DEFINED, ENGINEERING PROBLEMS. Look at the current technical >state of the electric grid and the reliability of the generation, >transmission and distribution systems that supply power to your home. >Maybe not the highest tech equipment (which is good when considering Y2K), >but very high reliability. Definitely disagree with number 2. There may be 'sponsorship', but there isn't 'leadership' and direct involvement. The focus has been, and will continue to be, cutting costs at the expense of everything else. If PG&E is different in this regard, my apologies for the generalization. >3) Utilities have the money to pay for Y2K fixes. See my previous comment about muni's and coop's. PG&E may. Duke Energy may. But it's a real financial strain for companies like Oglethorpe Power Co-op G&T. And there's more Oglethorpe's than Duke's. >A newer nuke plant may have cost a couple billion to build. Yearly O&M >and fuel budgets are hundreds of millions. Yeah, it may cost a million >to fix a complex and badly non-compliant DCS or other computer system. >Total Y2K budget (excluding payroll) may be 2-10 million (very rough numbers >for now) for the entire Y2K problem at a nuke plant. But it won't break the bank. The ones with this kind of budget don't bother me. But the dual unit nuke plant I spoke of above currently has a Y2k budget of around $200,000. Two units. 2600MW. They are not the only nuke in this predicament, either. >CLOSING - Anyone who accurately predicts "now" what will really happen >"then" is just lucky. My only basis for these statements is my current Y2K >work in the US electric utilities and talking to others at different utilities. >My current prediction is no widespread power outages. The U.S. western states power >grid suffered a geographically large power outage in August of 1996 for a couple of hours. >Y2K will not cause a problem that large. After being at an industry conference in Portland last month, and listening to one of the operators of the western grid speak (detailed explanation of the failure mechanisms, right down to overheads of the chart traces of the failures), I would disagree. The western grid was *very lucky* to get things back that quickly. Again, Y2k isn't going to be a single failure point (and it's going to be common mode failure) - as one industry rep at that conference said - "Death by a thousand paper cuts". -- Rick Cowles (Public PGP key on request) "Electric Utilities and Y2k"euy2k.com ____________ Subject: Re: Y2K & Electric Utilities - Not Bad News Date: Sat, 28 Mar 1998 11:00:55 -0500 From: rcowles@waterw.com (Rick Cowles) Organization: What's that? Newsgroups: comp.software.year-2000 References: 1