|
|
| Re: The LIRR President Speaks (245050) | |||
 |
|||
| Home > SubChat | |||
|
[ Read Responses | Post a New Response | Return to the Index ] |
|
||
|
Re: The LIRR President Speaks |
|
|
Posted by WillD on Sun Apr 23 21:22:19 2006, in response to Re: The LIRR President Speaks, posted by AMoreira81 on Sun Apr 23 18:26:03 2006. No, that's exactly what I was thinking of. Everyone knows transit systems buy their power at a wholesale industrial rate rather than a retail commercial or residential rate. However, the pricing of the power has nothing to do with comparing two EMUs of differing weights operating with the same traction power system and on the same railroad. If the cost at the substation is 8 cents per kwH for the one EMU, it's going to be 8 cents per kwH at the substation for the other, lighter EMU. Thus with all other things being equal the lighter weight EMU will consume less power and consequently less money per hour of operation.I do wonder about how they handle peak loads and payments based thereof. When I worked for the Philly Water Dept the load control unit would do major pumping during overnight and weekend hours. Stuff like filling tanks and reservoirs and other stuff requiring major electric usage would be delayed for hours rather than add to their peak hour power bill. I wish I could remember the little equation PECO and PWD used to figure out the billing, but I believe their hourly rate for a year was determined by the peak hour power they consumed the year before. Electric commuter railroads can't exactly rearrange their operations to suit peak hour demands by the power companies, so I'd imagine the arrangement is different. |
|
|
|