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This topic comprises 5 pages: 1 2 3 4 5
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Topic: State of California says: turn off AC on hot days
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Jack Ondracek
Film God
Posts: 2348
From: Port Orchard, WA, USA
Registered: Oct 2002
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posted 07-24-2006 06:56 AM
quote: Frank Angel
When I was a kid, I remember my dad explaining to me that electricity was sold with break points. They more wattage you used, the less it cost per watt, thus encouraging you to use MORE, not less. Boy have times changed.
Our power is priced that way right now (Northwestern Washington). You pay a certain price for the first so-many kWh... then another figure for the next so-much, and so-on. If you have a demand meter, the surcharge comes next... then the taxes, fees, a "meter charge", and "tax recovery fee", etc. etc. Our bill usually has 3 or 4 price tiers on it.
In the early 80's, my in-laws had a contactor mounted next to their meter. The contactor was wired to a private phone circuit that was controlled by the power company. During "critical hours", the company could activate those contactors, which would shut down your air conditioning. This was in Sacramento. I don't know anything else about the program... how it worked or if it still exists... but it did then.
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John Pytlak
Film God
Posts: 9987
From: Rochester, NY 14650-1922
Registered: Jan 2000
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posted 07-24-2006 11:42 AM
Rochester is having a hotter than usual summer. I find that A/C is really most needed when the humidity gets high. We usually have a home A/C setpoint of 80-82 F, but it gets lowered when we need to get the relative humidity inside down to a more comfortable level.
When it's cool outside (most summer evenings), the windows get opened, and the A/C is off.
Our utility's nuclear plant (Constellation Generation Group's Ginna plant on Lake Ontario) has just been granted NRC permission to increase output by 16.8 percent. Living only 10 miles south of the plant, we hope it doesn't compromise safety:
http://www.nrc.gov/reading-rm/doc-collections/news/2006/06-092.html
quote:
The Nuclear Regulatory Commission has approved a request by Constellation Generation Group to increase the generating capacity of the R.E. Ginna Nuclear Power Plant by 16.8 percent. The NRC staff determined that Constellation could safely increase the reactor’s output primarily by upgrading certain plant systems and components. NRC staff also reviewed Constellation’s evaluations showing the plant’s design can handle the increased power level.
The NRC's safety evaluation of the plant’s proposed power uprate focused on several areas, such as the nuclear steam supply systems, instrumentation and control systems, electrical systems, accident evaluations, radiological consequences, operations and training, testing, and technical specification changes. For added confidence in the analysis, the NRC staff also conducted independent calculations and evaluations of selected areas.
The power uprate for the plant, located about 20 miles east of Rochester, N.Y., will increase its generating capacity from approximately 525 to 610 megawatts electric. Constellation intends to operate Ginna at the higher power level following its fall 2006 refueling operations.
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Jason Burroughs
Jedi Master Film Handler
Posts: 654
From: Allen, TX
Registered: Jun 99
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posted 07-24-2006 03:46 PM
Chris,
I don't know what lake you've driven by that was "full" but
Lake Lavon that Mesquite, Plano, McKinney, Allen, Richardson, etc get their water from is 13ft below the conservation pool. The lake is essentially at 50% of its "normal" capacity. The above cities have had various water restrictions in place for a large part of the summer so far, and will into the foreseable future.
Edit:
Chris may have been referring to annother lake in the area that is only 2.5ft below the conservation pool. Lake Ray Hubbard is one of the lakes that the City of Dallas gets their water from. The watershed for this lake has recieved considerably more rain than Lavon did, though there is not a great distance between them.
[ 07-26-2006, 10:57 AM: Message edited by: Jason Burroughs ]
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