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June 12, 2006


Michael Cain

My two concerns are that, while that degree of conservation proposed is possible, electricity costs would have to be extremely high before sufficient motivation for this degree of conservation would be possible.

An excellent point. It is worth noting that current federal policy of separating electricity generation from the utilities that aggregate consumer demand has the effect of shifting incentives for demand management from generators to consumers. When the system was integrated, and utilities were allowed to include the capital costs of demand management in place of new generating capacity in their rate base, the large companies, with cheaper access to money, had an incentive to make such investments. When you can only make money by generating and selling electricity, or by transporting it from generator to consumer, the incentives for the large companies are gone. The difference in incentives also changes what approaches are considered: how many consumers will pay for smart meters and the back-office infrastructure needed to do time-of-day billing?


If you are interested in what Pennsylvania is doing to help the environment or are interested in Pennsylvania's environment, you should check out the Citizens for Pennsylvania's Future website: www.pennfuture.org

Chet Esium

"the percentage of electricity produced by wind, solar, and ocean power is higher than could easily be integrated into a grid, without massive energy storage"

10% solar can easily be integrated into the grid. Solar PV is reliably produced when it is hot and sunny which is when peak demands occur. 2% ocean can be trivially integrated into the grid -- it isn't variable power. Wind and solar are complementary to some extent: the wind tends to blow on overcast days and not blow on sunny days.

Non-renewable coal, nuclear, and gas-fired power plants are also intermittent. They sometimes get taken off line for maintenance or system failure. Solar and Wind tend not to suffer from this problem.

The electric industry is currently working on a variety of demand shifting techniques to better align consuption of electricity with production. That is, there is currently a lot of effort being taken to shift consumption from daylight hours to nighttime hours so that nuclear, coal, and baseload gas fired plants can be used more efficiently. These same techniques can be used to allow renewables to widely penetrate the grid. Specifically, instead of pumping water to the tops of hills to pressurize the water system during nighttime hours, we can pump that water during sunny or windy hours. (And water pumping accounts for something like 7% of electricity use in california.)

The article didn't say "conservation" it said "efficiency".
Efficiency improvements does not require higher electricity prices. People will substitute compact florescents and (eventually) LED lighting for incandescent lighting at current prices. Also, it isn't a matter of changing electricity consumption in existing housing. Efficiency is obtained through better construction techniques (more insulation) and higher efficiency appliances in new housing.


If you want to conserve energy then a Home Energy Audit by the Energy Doctors will help.



I am trying to find the energy usage forecast by industry in the geographic region of upstate NY through 2011. ie. What is the estimated monthly gas and electric usage for the steel industry in upstate NY through 2011? I need this for all major industries. Any thoughts? Suggested websites?


Kit P

Local utilities often have resource planning documents. Also try eia,gov and state energy commissions.

Beverly Nelson

we get exceptional lighting quality from Forecast lighting products.

Account Deleted

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Post: KNX / Dali interface Motion - Occupancy Sensor suitable with BMS for controlling Lights and AC's
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Primarily sensors are used for energy conservation which we believe would be widely welcomed for various applications in common areas like: Toilets, Car Parks, Lobbies, Corridors, Cabins, warehouse etc..
Principally, these sensors operate on human presence and ambient light conditions and have the capability to handle multiple electrical fixtures with a single sensor installation. You can even control your Air-conditions using these sensors.

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