[HTML][HTML] A probabilistic hot water usage model and simulator for use in residential energy management

MJ Ritchie, JAA Engelbrecht, MJ Booysen - Energy and Buildings, 2021 - Elsevier
Water heating contributes up to 40% of a household's total electricity usage and places a
substantial burden on the electricity grid due to high power ratings and users' largely …

How much energy can optimal control of domestic water heating save?

MJ Booysen, JAA Engelbrecht, MJ Ritchie… - Energy for Sustainable …, 2019 - Elsevier
Scheduled control of domestic electric water heaters, designed to cut energy use while
minimising the impact on users' comfort and convenience, has been fairly common for some …

[HTML][HTML] Predicting residential water and electricity usage profiles with a temporal histogram model

MJ Ritchie, JAA Engelbrecht, MJ Booysen - Sustainable Cities and Society, 2023 - Elsevier
The temporal histogram model and synthesiser that is presented in this paper statistically
models the unique usage behaviour of electricity or hot water usage for individual residential …

Optimal schedule and temperature control of stratified water heaters

JAA Engelbrecht, MJ Ritchie, MJ Booysen - Energy for Sustainable …, 2021 - Elsevier
Water heating is a major component of domestic electrical energy usage, in some countries
contributing to 25% of the residential sector energy consumption. Demand response …

The effect of the COVID-19 pandemic on Malaysian residential customers' energy-saving appliance purchasing behaviour

AH Jaaffar, S Kasavan, SI Mustapa… - International Journal of …, 2024 - emerald.com
Purpose The COVID-19 pandemic has caused a dramatic impact on energy supply and
demand. It is vital to understand households' behaviour with regard to energy, particularly …

Practically-achievable energy savings with the optimal control of stratified water heaters with predicted usage

MJ Ritchie, JAA Engelbrecht, MJ Booysen - Energies, 2021 - mdpi.com
Residential water heaters use a substantial amount of electrical energy and contribute to
25% of the energy usage in the residential sector. This raises concern for users in countries …

A potential source of undiagnosed Legionellosis: Legionella growth in domestic water heating systems in South Africa

W Stone, TM Louw, GK Gakingo, MJ Nieuwoudt… - Energy for Sustainable …, 2019 - Elsevier
Legionella is a genus of pathogenic bacterial mesophiles that cause a range of diseases
collectively referred to as Legionellosis, with immuno-compromised individuals being …

Thermal stratification and temperature variation in horizontal electric water heaters: A characterisation platform

PD van Schalkwyk, JAA Engelbrecht, MJ Booysen - Energies, 2022 - mdpi.com
Electric water heaters, which have the capacity to act as thermal energy storage, are well
suited to demand management strategies in smart grid applications. However, finding the …

Centrally adapted optimal control of multiple electric water heaters

MJ Ritchie, JAA Engelbrecht, MJ Booysen - Energies, 2022 - mdpi.com
Breakthroughs in smart grid technology make it possible to deliver electricity in controlled
and intelligent ways to improve energy efficiency between the user and the utility. Demand …

Usage-based optimal energy control of residential water heaters

M Richie - 2021 - scholar.sun.ac.za
Water heating contributes up to 40% of a household's total electricity usage and places a
substantial burden on the electricity grid due to high power ratings and users' largely …