by Hannes Roets, Power Optimal

Understanding the concept of Demand Management.

Published in:

Electricity+Control, September 2016 (pages 24 - 27)

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Peak Demand Management Facility Case StudyCustomers are charged for the highest peak registered during a billing cycle, usually a calendar month, and the demand during that 30 minute interval, the demand charge will be close to the maximum. Just one high peak demand in any of those short 30 minute intervals (1 440 in a 30 day month) will mean a substantially higher bill.

Case Study at Avianto Hotel, Wedding & Function Venue
This case study is the result of an installation of the automated Peak Demand Management equipment used at the very upmarket Avianto Hotel, Wedding & Function Venue in Muldersdrift, Krugersdorp (South Africa). This intervention was intended to curb the unacceptably high demand that was generated by the hotel’s normal activities, without affecting operational efficiency.

Since it had already been established that Demand Management would be the only energy management opportunity that would be considered, a ‘Walkthrough’ energy audit was conducted. During the energy audit the following non-critical loads that could be controlled, were identified.

 Take note

• Energy we have; the challenge is the power.
• South Africa, and most developing economies, needs systems that manage demand.
• Proper demand management can positively impact on your electricity bill.

Read the full article in PDF format here.