RESIDENTIAL LOAD MANAGEMENT

ESKOM

Residential Load Management Program

Home-owners in Ballito and surrounding areas are requested to join hands with the KwaDukuza Local Municipality and Eskom to help manage the electrical demand during evening peak periods – by supporting the second phase of a programme aimed at installing geyser control devices (also called switches, receivers or relays) connected to geysers, making it possible to switch them on and off remotely. The control units will be installed at no cost to the home-owners. An additional 3 500 relays will be installed in KwaDukuza during the second phase.

This Residential Load Management (RLM) project forms part of the KwaDukuza Local Municipality’s demand management initiative in the region. The Municipality has to comply with national regulations that have been implemented since January 2012, which require municipalities to implement remote control technology controlling electrical loads, such as swimming pools and geysers. Geysers account for between 30% and 50% of the electricity consumption in a household and this makes them an ideal starting point for electricity demand management in the residential sector. The main advantage of the load management system is that the relay system can switch the heating element off during peak demand periods.

The RLM project in KwaDukuza Local Municipality works as follows: a small control unit (relay) is installed next to or on the electrical distribution board (DB) in the home of the customer. This relay then switches off the power supply to the geyser between 18:00 and 20:00 on weekdays.

Nationwide Electrical, an Energy Services Company (ESCo), has been appointed by Eskom to implement the RLM programme in KwaDukuza. According to Mr Mervyn Ramsamy, Project Manager from Nationwide Electrical, qualified technicians have been appointed by the company to visit homes in the following high-consumption areas to install the units from February 2014 – July 2015:

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Home-owners in Vryheid are requested to join hands with the AbaQulusi Local Municipality and Eskom to help manage the electrical demand during evening peak periods – by participating in a programme aimed at installing geyser control devices (also called switches, receivers or relays) connected to their geysers, making it possible to switch them on and off remotely. The control units will be installed at no cost to the home-owners.

This Residential Load Management (RLM) project forms part of the AbaQulusi Local Municipality’s demand management initiative in the region. The Municipality has to comply with national regulations that have been implemented since January 2012, which require municipalities to implement remote control technology controlling electrical loads, such as swimming pools and geysers. Geysers account for between 30% and 50% of the electricity consumption in a household and this makes them an ideal starting point for electricity demand management in the residential sector. The main advantage of the load management system is that the relay system can switch the heating element off during peak demand periods.

The RLM project in AbaQulusi Local Municipality works as follows: a small control unit (relay) is installed next to or on the electrical distribution board (DB) in the home of the customer. This relay then switches off the power supply to the geyser between 18:00 and 20:00 on weekdays.

Nationwide Electrical, an Energy Services Company (ESCo), has been appointed by Eskom to implement the RLM programme in AbaQulusi Local Municipality. According to Mr Mervyn Ramsamy, Project Manager from Nationwide Electrical, qualified technicians have been appointed by the company to visit homes in the following high-consumption areas to install the units from the end of January 2014:

  • Vryheid

FAQs

In response to the energy challenges facing South Africa, Eskom has established an Integrated Demand Management (IDM) division. IDM is dedicated to ensuring short-term security of electricity supply through coordinating and consolidating the various initiatives aimed at optimising energy use and balancing electricity supply and demand. A key aspect of this demand side management programme is the promotion and implementation of more energy-efficient technologies, processes and behaviours amongst all consumers.

A central focus of IDM is a series of large-scale Demand Side Management programmes. One of these is called Demand Reduction (DR) where the system operator pays customers to reduce load on instruction to balance demand and supply.

Residential Load Management is one of the programmes that are currently implemented by IDM.

Residential Load Management is aimed specifically at the residential sector, in other words, consumers at home. Geysers account for between 30% and 50% of the electricity consumption in a household and they are therefore currently the focus of RLM. RLM involves the connection of ripple control units (or relays) to geysers, allowing them to be switched on and off by remote control.

Eskom’s residential customers consume around 17,5% of the total electricity generated, with their demand at peak periods amounting to over 30%. Helping residential customers to manage their electricity requirements better will have a significant impact on the overall demand for energy, while also achieving cost benefits for the consumer.

A small control unit (relay) is installed in the home of the customer. This unit will switch off the supply to the geyser during peak demand periods for a predetermined period. Groups of geysers will be controlled and monitored centrally from the local Municipal Energy Centre by means of a radio or/and ripple based communication system. The Centre will also take care of all customer queries