Difference between revisions of "Metering and Billing Systems"

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*less forgery proof  
 
*less forgery proof  
 
*costs for re-collection of coins and selling system for coins/cards
 
*costs for re-collection of coins and selling system for coins/cards
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<br>
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= Current limiter  =
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<u>Advantages</u>
 +
 +
*simultaneously protecting against overcurrent (actual purpose)
 +
*delimiting peak demand
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*no meter reading required; flat rates according to max. amperage
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<u>Disadvantages</u>
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 +
*danger of fraud and theft of switch fuses
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*additional costs for replacement of cut out fuses
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*time of usage not considered; less fair

Revision as of 14:55, 6 June 2009

Standard kWh meter

Standard kWh meter. Its price is about 40-50 USD
Digital meter. Its price is about 120-150 USD

Advantages

  • fair and transparent
  • reading less frequent than collection; if customers go to office, there is cost reduction
  • amount and time related tariffs possible (demand steering)

Disadvantages

  • high costs (metering device & reading)
  • dis- and re-connection in case of late payment
  • complicated reading and billing










Pre-paid system with coins or cards

Pre-paid system with coins or cards. Its price is about 40-80 USD

Advantages

  • fair and transparent
  • no meter reading
  • no overdue costs
  • no costs for dis- and re-connection
  • close to “ability to pay”-variations
  • coins less expensive than cards

Disadvantages

  • relatively high cost for metering device
  • less forgery proof
  • costs for re-collection of coins and selling system for coins/cards


Current limiter

Advantages

  • simultaneously protecting against overcurrent (actual purpose)
  • delimiting peak demand
  • no meter reading required; flat rates according to max. amperage

Disadvantages

  • danger of fraud and theft of switch fuses
  • additional costs for replacement of cut out fuses
  • time of usage not considered; less fair