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# PowerOptimal - the Future of Energy

Smart Water Solutions

## Sitemaps

- [XML Sitemap](https://poweroptimal.com/sitemap.xml): Contains all public & indexable URLs for this website.

## Posts

- [2026 update: South African municipal water & electricity tariff increases vs inflation since 1996](https://poweroptimal.com/2026-update-municipal-water-electricity-tariff-increases-vs-inflation-since-1996/) - In 2021, we published an analysis of municipal water & electricity tariff increases compared to inflation since 1996. That analysis revealed a shocking reality: the average price of both water & electricity across the four largest South African municipalities increased about four times faster than inflation. This was a sad state of affairs in a country
- [2024 update: Municipal water & electricity tariff increases vs inflation since 1996](https://poweroptimal.com/2024-update-municipal-water-electricity-tariff-increases-vs-inflation-since-1996/) - (Click here for a 2026 update to this article) In 2021, we published an analysis of municipal water & electricity tariff increases compared to inflation since 1996. That analysis revealed a shocking reality: the average price of both water & electricity across the four largest South African municipalities increased about four times faster than inflation. This
- [2022 update: Eskom tariff increases vs inflation since 1988 (with projections to 2024)](https://poweroptimal.com/2021-update-eskom-tariff-increases-vs-inflation-since-1988/) - (Click here for a 2026 update to this article) In 2015, 2017 and 2019 we published infographics showing Eskom annual tariff increases since 1988 compared to inflation. Following Eskom’s court order success against NERSA in early 2021, it increased electricity prices by an average of 15.63% in April 2021. In April 2022, a further increase of 9.61% was approved. So what do the
- [2024 update: What does a shower cost in South Africa?](https://poweroptimal.com/2024-update-what-does-a-shower-cost-in-south-africa/) - (Click here for a 2026 update to this article) With the rapid increases in the price of electricity and water over the past decade, the question is: what does a shower or bath cost in South Africa in 2024? Most South Africans are aware of the rapidly rising price of electricity (a 937% increase over the
- [2022 update: What does a shower cost in South Africa?](https://poweroptimal.com/2022-update-what-does-a-shower-cost-in-south-africa/) - (Click here for a 2026 update to this article) With the rapid increases in the price of electricity and water over the past decade, the question is: what does a shower or bath cost in South Africa in 2022? Most South Africans are aware of the rapidly rising price of electricity (a 650% increase over the
- [2024 update: Eskom tariff increases vs inflation since 1988 (with projections to 2026)](https://poweroptimal.com/2024-update-eskom-tariff-increases-vs-inflation-since-1988-with-projections-to-2026/) - (Click here for a 2026 update to this article) In 2015, 2017, 2019 and 2022 we published infographics showing Eskom annual tariff increases since 1988 compared to inflation. Eskom tariffs increased by an eye-watering 18.7% in 2023 and again by a painful 12.7% in 2024. This compares to CPI (Consumer Price Index) increases of 5.9% and 4.9%
- [2019 update: Eskom tariff increases vs inflation since 1988 (with projections to 2022)](https://poweroptimal.com/2019-update-eskom-tariff-increases-vs-inflation-since-1988-with-projections-to-2022/) - (Click here for a 2026 update to this article) In 2015 and 2017 we published infographics showing Eskom annual tariff increases since 1988 compared to inflation. Following NERSA’s approval of a 13.87% average tariff increase in April 2019, what do the numbers look like today? The graph below shows the Eskom tariffs from 1988 to 2019, plotted against CPI (Consumer Price Index)
- [2026 update: What does a shower cost in South Africa?](https://poweroptimal.com/2026-update-what-does-a-shower-cost-in-south-africa/) - With the rapid increases in the price of electricity and water over the past decade, the question is: what does a shower or bath cost in South Africa in 2026? Most South Africans are aware of the rapidly rising price of electricity (a 1 172% increase over the period 2007-2026), but the price of water has
- [2026 update: Eskom tariff increases vs inflation since 1988 (with projections to 2028)](https://poweroptimal.com/2026-update-eskom-tariff-increases-vs-inflation-since-1988-with-projections-to-2028/) - In 2015, 2017, 2019, 2022 and 2024 we published infographics showing Eskom annual tariff increases since 1988 compared to inflation. Eskom tariffs again increased by substantially more than inflation in 2025, with an average increase of 12.74%. This compares to a CPI (Consumer Price Index) increase of 3.79% over the same year. The graph below shows the Eskom
- [Solar PV vs solar thermal vs heat pumps: Which is best for water heating?](https://poweroptimal.com/solar-pv-vs-solar-thermal-vs-heat-pumps-which-is-best-for-water-heating/) - South Africans have been pummelled by large electricity price increases since electricity shortages and load shedding started in 2008. Electricity prices increased by more than 600% in real money terms over this period – in other words, 6 times more than inflation (see our blog article on this topic). This rapid and sustained rise in electricity prices, combined with increasing concern about the health and environmental impacts of South Africa’s ‘dirty’ coal-fired
- [Solar PV and the value of your home: What the experts say.](https://poweroptimal.com/solar-pv-and-the-value-of-your-home-what-the-experts-say/) - About this Article We offer a new perspective on the long-term value you can create by installing a solar PV system in your home. To provide context we elaborate on why the reliability, affordability and sustainability of solar PV make it a viable and valuable addition to your home. Trends in the South African residential
- [Rise of the Electron Economy](https://poweroptimal.com/rise-electron-economy/) - The “electron economy” refers to a global shift towards using electricity as the main energy carrier. The term was coined in 2006 by Ulf Bossel, a fuel cell engineer and entrepreneur. In 2007, Michael Hoexter neatly summarized the electron economy concept based on Bossel’s ideas in a blog article that is unfortunately no longer accessible on
- [Load-shedding – watching television by candlelight and how to cope (or backup power options)](https://poweroptimal.com/load-shedding-watching-television-candlelight-cope-backup-power-options/) - By Hannes Roets Indeed! This brings us to the issue of load shedding. Load shedding is when electricity supply is intentionally interrupted or reduced to avoid excessive load on the generating plants. Whilst it is very disruptive (as we all know!), it is preferable to a total collapse of the electricity supply grid, which will have
- [2021 update: What does a shower cost in South Africa?](https://poweroptimal.com/sa-cost-of-shower-2021/) - With the rapid increases in the price of electricity and water over the past decade, the question is: what does a shower or bath cost in South Africa in 2021? Most South Africans are aware of the rapidly rising price of electricity (a 650% increase over the period 2007-2022), but the price of water has also
- [The Price of Water and Electricity in South Africa: A Tale of Two Tragedies](https://poweroptimal.com/the-price-of-water-and-electricity-in-south-africa-a-tale-of-two-tragedies/) - Authors: Matthew Capes, Sean Moolman Background This article seeks to examine the price and affordability of water and electricity in South Africa. We embark on a tough but important journey to shed light on how the price of electricity and water has changed over the last 25 years, and how these basic needs have become
- [PowerOptimal and Electrolux Forge Partnership for Cost-Effective Solar Photovoltaic Water Heating Solutions](https://poweroptimal.com/poweroptimal-electrolux-partnership/) - Press Release, Johannesburg, South Africa, May 26, 2020. See also Engineering News, Stuff Magazine and Intelligent CIO. PowerOptimal, a leader in innovative sustainable energy and demand management solutions, has announced that it has partnered with the South African subsidiary of Swedish global appliance giant Electrolux, to bring cost-effective, sustainable solar photovoltaic (PV) water heating solutions to the South African market.
- [350% increase in a decade: how expensive is electricity in South Africa compared to other countries?](https://poweroptimal.com/350-increase-decade-expensive-electricity-south-africa-compared-countries/) - Electricity prices in South Africa have dramatically outpaced inflation over the past decade (ever since the 2008 electricity supply shortage crisis). Recently, Eskom has won a court case allowing it to recover historical ‘losses’ or under-recoveries (the so-called regulatory clearing account or RCA). Please note: we have published an update to this article in 2019 with
- [What does a shower cost in South Africa?](https://poweroptimal.com/cost-shower-south-africa/) - Please note: this article has been updated – click here for the 2021 version. With the rapid increase in the price of electricity and water over the past few years, the question is: what does a shower or bath cost in South Africa in 2017? Most South Africans are aware of the rapidly rising price of electricity (a 300% increase in
- [Energy News: Petrol & diesel vehicle ban, two-bladed wind turbines and more...](https://poweroptimal.com/energy-news-aug-2017/) - One thing is certain: the energy industry is undergoing rapid and dramatic change, and mostly to our collective benefit! There are too many developments to mention, but here are a few of the most interesting from the last few weeks: The UK (2040) and France (2040) have both joined Germany (2030), Norway (2025), the Netherlands (2025) and India (203) in announcing
- [Energy news: first all-solid state battery developed by 94-yr old; India shuns coal; Eskom proposes 20% tariff hike](https://poweroptimal.com/energy-news-first-solid-state-battery-developed-94-yr-old-india-shuns-coal-eskom-proposes-20-tariff-hike/) - It has been an interesting year in the energy industry so far. Here are some key recent developments: Trump indicates US intent to withdraw from the Paris climate accord… … But China(!) and India(!) seem to be taking the lead in tackling their coal use. Gigafactories are coming to Europe – Bloomberg expects battery manufacturing
- [Germany votes to ban the internal combustion engine by 2030, whilst South Africa looks to coal and nuclear](https://poweroptimal.com/germany-votes-ban-internal-combustion-engine-2030-whilst-south-africa-looks-coal-nuclear/) - While SA seems stubbornly focused on coal (including new private coal-fired power stations), gas and nuclear, Germany is forging ahead with its bold moves to transform into a country with 100% of its energy provided by sustainable and renewable sources. Already a world leader in incorporating renewables into its national grid through its ‘Energiewende’ programme (with renewables at one
- [When will solar and storage be cheaper than Eskom?](https://poweroptimal.com/will-solar-storage-cheaper-eskom/) - PLEASE NOTE: This article is from 2015. Current status (2021): If financed via a home loan, solar PV plus storage is less expensive than buying electricity from your municipality in South Africa. According to this research by Sustainable Energy Africa, this was already the case in 2019 for middle-income households. With the price of solar PV (photovoltaic)
- [Green City Startup Competition Top 8 videos](https://poweroptimal.com/green-city-startup-competition-top-8-videos/) - Interviews with some of the Top 8 finalists in the City of Johannesburg Green City Startup Competition. PowerOptimal features at 1min 36s.
- [4 renewable energy records to get excited about](https://poweroptimal.com/4-renewable-energy-records-get-excited/) - Things are really starting to happen on the renewable energy front! Here are 4 renewable energy records worth getting excited about:[table] 72%,New Zealand’s 2012 (latest available data) renewables share of total electricity generation http://bit.ly/1z5DJ3d74%,Germany’s 11 May 2014 renewables share of total electricity generation http://bit.ly/1jcSwFC0%,…for 75 days (and counting) – Costa Rica not using any fossil fuels
- [Energy storage is booming in the USA: what does it mean for South Africa?](https://poweroptimal.com/energy-storage-booming-usa-mean-south-africa/) - Energy storage is projected to grow rapidly in the USA over the next few years, according to an interesting Utility Dive article. Growth in the past year was over 40%, and they are projecting similar growth rates over the next few years. In the article they state that “Cost-effective energy storage is widely seen as the “holy grail”
- [Infographic: Eskom tariff increases vs inflation since 1988 (with projections to 2017)](https://poweroptimal.com/infographic-eskom-tariff-increases-vs-inflation-since-1988-projections-2017/) - (Click here for a 2021 update to this article) Recently we learnt that Eskom has requested another 9.58% tariff increase from NERSA for 2015, on top of the 12.69% already approved for this year. More recently, it has emerged that Eskom is requesting what is called a “selective reopener” for 2016 and 2017 as well. In particular, it
- [PowerOptimal is a finalist in the Green City Startup competition!](https://poweroptimal.com/poweroptimal-finalist-green-city-startup-competition/) - On 12 March, the City of Johannesburg announced that PowerOptimal was selected as one of eight finalists in The Green City Startup competition hosted by the City of Johannesburg in partnership with Resolution Circle (see their website and Facebook page). The eight finalists will each receive R250 000 for their businesses, and will also receive support from Resolution Circle over a six month period. At the end
- [PowerOptimal in top 20 of the Johannesburg Green City Startup Competition](https://poweroptimal.com/poweroptimal-top-20-johannesburg-green-city-startup-competition/) - The PowerOptimal team is very excited to be one of the top 20 companies in the Johannesburg Green City Startup Competition. The competition seeks to support “Revolutionary” and “Immediately Scalable” ideas Energy, Waste, Water, Transport or Building to help make Johannesburg a greener city. The competition is presented by the City of Johannesburg, in partnership with
- [PowerOptimal Launches](https://poweroptimal.com/poweroptimal-launches/) - We are very excited to announce the launch of PowerOptimal’s energy demand management and billing services! Our energy demand management technology can cut your peak power demand by up to 50%, which can translate into substantial savings for commercial customers. Our innovative performance guarantee business model means that you don’t have to spend any money

## Pages

- [Home](https://poweroptimal.com/) - Lowest cost per kWh of water heating your money can buy, anywhere. SAVE MONEY NOW Facebook Instagram Linkedin The Elon® 100 The innovative PowerOptimal Elon® 100 incorporates proprietary solar PV (photovoltaic) power management technology to allow for direct solar PV DC to electric geyser power provision and optimised solar power use in a single compact
- [Career Opportunities](https://poweroptimal.com/careers/) - Career Opportunities PowerOptimal is an African leader in renewable energy technology solutions with an ambition to transform the way hot water is generated and used. We are a small but fast-growing, high-performance team with high standards and big ambitions. On this page you can find current opportunities. If you think you’re a fit, we’d love
- [Contact us](https://poweroptimal.com/contact-us/) - Contact Us I'm a Home Owner I'm an Installer I'm a Property Developer Sales & general enquiries, Gauteng & KwaZulu-Natal: 071-021-4626 Sales & general enquiries, all other provinces: 072-794-3037 Technical - Elon 100: 083-600-1827 Technical - Elon Smart: click on blue e- icon in bottom right-hand corner for support info@poweroptimal.com Kwikot Elon Warranty Support: 0861-594-568
- [Warranty Support](https://poweroptimal.com/warranty/) - Contact Us Elon Warranty Support Elon warranty support is provided by the Kwikot National Call Centre All calls must be reported to the National Call Centre. Please send an email to za_insure@kwikot.com or alternatively, contact 0861 594 568. Kwikot will require the following information from the client: Name and Surname Physical address (where product is
- [PowerOptimal Elon® Extended Warranty Registration Page](https://poweroptimal.com/elon-extended-warranty/) - PowerOptimal Elon® Extended Warranty Registration Page Welcome to the PowerOptimal Elon® Extended Warranty Registration Page. Please contact PowerOptimal if you are interested in learning more about the Extended Warranty. Your Extended Warranty is only valid once you have completed and submitted the form AND you have received a confirmation email from us. By submitting the
- [Vulnerability Disclosure Policy](https://poweroptimal.com/vulnerability-disclosure/) - Vulnerability Disclosure Policy Last updated: July 2026 PowerOptimal takes the security of its websites, applications, and cloud services seriously. If you believe you have identified a security vulnerability affecting poweroptimal.com, elonsmartwater.com, or any related PowerOptimal web, app, or cloud service, please use the vulnerability report form below. Please include: a description of the issue;
- [Privacy Policy](https://poweroptimal.com/privacy-policy/) - Privacy Policy and Access to Information A. Privacy Policy Last updated: August 2025 1. Introduction The right to privacy is important to PowerOptimal (Pty) Limited (“PowerOptimal”, “us” or “we“) and we are committed to processing your personal information in compliance with applicable data protection laws, like the Protection of Personal Information Act 4 of
- [Troubleshooting Guides](https://poweroptimal.com/troubleshooting/) - Brochures Product Specifications Installation & User Manuals Troubleshooting guides Click on the text or images to open or download the documents. Elon® Smart Basic Troubleshooting Guide for Users Elon® Smart 1st Line Support Checklist Elon® Smart Troubleshooting Guide for Electricians Elon® 100 Basic Troubleshooting Guide for Users Elon® 100 Troubleshooting Guide for Electricians Elon® 100
- [Installation & User Manuals](https://poweroptimal.com/manuals/) - Brochures Product Specifications Installation & User Manuals Troubleshooting guides Elon Smart Elon 100 PowerGuard Elon® Smart Installation Manual Elon® Smart User Manual Elon® Smart Quick Start User Guide Elon® Smart Heating Profiles Explained Click on the text or images to open or download the documents. This page contains manuals &
- [Product Specifications](https://poweroptimal.com/specifications/) - Brochures Product Specifications Installation & User Manuals Troubleshooting guides Click on the text or images to open or download the documents. Elon® Smart Specifi-cations Benjamin Specifi-cations Elon® 100 Specifi-cations Regulatory & Safety Requirements: Solar PV Water Heating PowerGuard Commercial Range Spec PowerGuard Domestic Range Spec
- [Downloads](https://poweroptimal.com/downloads/) - Brochures Product Specifications User Manuals Troubleshooting guides Click on the text or images to open or download the documents. PowerOptimal Elon® Smart Brochure Kwikot Elon® Smart Brochure PowerOptimal Elon® 100 Brochure PowerOptimal Elon® 100 Easy Selection Guide PowerGuard Overview Brochure PowerGuard Case Studies PowerGuard Domestic System Layout PowerGuard Commercial System
- [FAQ](https://poweroptimal.com/faq/) - Frequently Asked Questions How can solar PV water heating be more cost-effective than solar thermal? Isn’t solar thermal efficiency much better than solar PV? It is true that solar thermal collectors are currently more efficient per square meter (area) than solar PV modules in collecting solar energy. However, overall efficiency must also take into consideration
- [For plumbers: how to disconnect or reconnect the Elon® 100 or Smart](https://poweroptimal.com/plumbers/) - For Plumbers: How to disconnect or reconnect the Elon® 100 or Smart Elon® Smart Elon® 100 What to do when you need to replace or service a geyser with an Elon® Smart connected. This page provides step-by-step instructions for plumbers on how to disconnect, reconnect and recommission an Elon® Smart thermostat connected to a standard
- [Case Studies - Elon®](https://poweroptimal.com/case-studies-elon/) - PowerOptimal Elon® 100 Case Studies Case Study 1 Case Study 2 Case Study 3 Case Study 4 Payback Period Levelized Cost of Energy Case Study 1 Solar PV array size: 1.575 kWp Family size: 4 people Solar Fraction achieved: 52% of energy from the sun When & Where: Pretoria, May 2017 (Winter)
- [PowerOptimal Elon Smart Beta Testing Terms & Conditions](https://poweroptimal.com/beta-testing/) - PowerOptimal Elon Smart Beta Testing Terms & Conditions Last updated: November 2025 Issued by: PowerOptimal (Pty) Ltd (“PowerOptimal”, “we”, “our”, or “us”) Applies to: Participants (“you”, “tester”, “participant”) in the Elon Smart Water Beta Testing Program. 1. Purpose of the Beta Program The Elon Smart Water Beta Testing Program (“Beta Program”) provides selected participants early
- [PowerOptimal General Terms and Conditions](https://poweroptimal.com/terms/) - PowerOptimal General Terms and Conditions Commercial Terms & Conditions Consumer Terms & Conditions
- [Installation & User Manuals (older Elons up to August 2019)](https://poweroptimal.com/manuals-2/) - This page contains manuals and guides for old Elon 100s up to August 2019. See this page for the latest manuals & guides (from September 2019 onwards). All manuals & guides for the old Elon 100s are numbered version V1.xx All manuals & guides for the new Elon 100s (from September 2019) are numbered V2.xx (How do I
- [About us](https://poweroptimal.com/about-us/) - About Us PowerOptimal, founded in 2014, is a leader in sustainable, smart, simple energy solutions, specialising in hot water. Our technology platform is built on proven South African electricity demand management technology, with a strong track record of successful installations over more than a decade. Our intellectual property and manufacturing are proudly South African. Our
- [PowerOptimal Elon® 100 training videos for electricians (7:26)](https://poweroptimal.com/elon-100-training/) - Elon® 100 training videos for electricians (7:26) These videos are for registered electricians only. Please refer to the user instructions video and the user manual for general user information. PowerOptimal Elon® 100 Unboxing PowerOptimal Elon® 100 Wiring Kit Installation PowerOptimal Elon® 100 Element Adapter Installation PowerOptimal Elon® 100 Troubleshooting Guide for Electricians
- [PowerOptimal Elon® 100 user instructions video (8:13)](https://poweroptimal.com/elon100/) - Elon® 100 User Instructions Video (8:13) This video is for new Elon® 100 units from September 2019 onwards. See this page for a user instruction video for the old Elon® 100 up to August 2019. (How do I know if I have an old or new Elon® 100? The controller for the old version says
- [Elon Smart basic user guide video (4:22)](https://poweroptimal.com/elon-smart-basic-user-guide-video/) - Elon Smart Basic User Guide Video (4:22) Click here for the User Manual.
- [Elon Smart troubleshooting guide video (3:05)](https://poweroptimal.com/elon-smart-troubleshooting-guide-video/) - Elon Smart Troubleshooting Guide Video (3:05) Click here for Troubleshooting Guides.
- [Elon Smart Trial Users - General Terms and Conditions](https://poweroptimal.com/elon-smart-tc/) - Elon Smart Trial Users General Terms and Conditions Click here to read / download the Elon Smart Trial Users General Terms and Conditions.
- [Training](https://poweroptimal.com/training/) - Training Elon Smart and Elon 100 Training Videos Elon Smart Training Videos Training Item Description Link to Training Elon Smart User Guide Video How to install and use the Elon Smart app to control your smart geyser (for everyone) https://poweroptimal.com/elon-smart-basic-user-guide-video/ Elon Smart Installation Training Online Course Installation training on the Elon Smart thermostat & solar
- [Products](https://poweroptimal.com/products/) - Our Products The Elon® Range Solar PV Water Heating made Possible How it works: The PowerOptimal Elon® operates on a very simple principle: it enables direct current (DC) electricity produced by solar PV modules to be used directly for water heating using a standard electric geyser with alternating current (AC) heating element and AC thermostat. The Elon can run
- [Elon® Range](https://poweroptimal.com/elon-range-2/) - The Elon® Range – Solar PV Water Heating made possible How it works The PowerOptimal Elon® operates on a very simple principle: it enables direct current (DC) electricity produced by solar PV modules to be used directly for water heating using a standard electric geyser with alternating current (AC) heating element and AC thermostat. The
- [PowerOptimal Blog Articles](https://poweroptimal.com/blog-articles/) - 2026 update: South African municipal water & electricity tariff increases vs inflation since 1996 2026 update: South African municipal water & electricity tariff increases vs inflation since 1996 • 2nd March 2026 • Energy news, Energy supply In 2021, we published an analysis of municipal water & electricity tariff increases compared to inflation since 1996.
- [Our Team](https://poweroptimal.com/our-team/) - About Us PowerOptimal, founded in 2014, is a leader in sustainable, smart, simple energy solutions, specialising in hot water. Our technology platform is built on proven South African electricity demand management technology, with a strong track record of successful installations over more than 10 years. Our intellectual property and manufacturing are proudly South African. Our engineers bring
- [PowerOptimal Elon 100 user instructions video (up to August 2019)](https://poweroptimal.com/elon100-2/) - This video is for older Elon 100 units up to August 2019. See this page for a user instruction video for the new Elon 100 from September 2019. (How do I know if I have an old or new Elon 100? The controller for the old version says “Efficiency” below the dial (knob), whilst the
- [Case Studies - PowerGuard](https://poweroptimal.com/case-studies/) - PowerGuard Case Studies Here are some examples of what has been achieved with existing commercial and residential PowerGuard® installations: PEAK DEMAND MANAGEMENT The Cost Saving Power of PowerGuard® This technical white paper provides detailed information on the functioning of PowerOptimal’s PowerGuard® peak demand management technology. Download White Paper Example of immediate peak demand reduction on
- [PowerGuard Product Selection Guide](https://poweroptimal.com/product-features/) - PowerGuard Product Selection Guide Product Range Specification Matrix Adjustable Shed Level Time of use capable Single Phase Three Phase Main & standby power load profiles Over- and under- voltage protection Remote Monitoring Layout Diagram Complementary Products CPM-3PC MK2 PowerOptimalPowerGuardCommercial Range Download system layout [CPM16-30]16 channel receiver [CPM20-1W]Single channel 20 Amp receiver [CPM30-1W]Single channel 30 Amp
- [Domestic Range](https://poweroptimal.com/domestic-range/) - PowerGuard Domestic Range The PowerGuard® range of domestic peak power demand control systems were specifically designed for domestic environments, and can intelligently shift non-essential loads such as geysers, swimming pool pumps, air conditioners and underfloor heating, without any noticeable difference or inconvenience to the household. Here is a diagram showing how PowerGuard®’s domestic range works.
- [Commercial Range](https://poweroptimal.com/commercial-range/) - PowerGuard Commercial Range Download the PowerGuard Overview Brochure The PowerGuard® range of commercial peak power demand control systems was specifically designed for commercial environments. Depending on your load profile and equipment in your facility, your peak demand can be reduced by up to 50%, leading to savings of up to 20% on your electricity bill.
- [What is PowerGuard?](https://poweroptimal.com/what-is-powerguard/) - What is PowerGuard? Reduce your electricity bill and make power trips a thing of the past. Power demand management PowerGuard® is an established IEC and SANS 60669 compliant peak power demand management technology. PowerGuard® is commercially and functionally proven with an installed base of over 1000 channels managed over the past 6 years. Intelligent load
- [PowerGuard Explainer Video](https://poweroptimal.com/powerguard/)
- [My account](https://poweroptimal.com/my-account/) - [woocommerce_my_account]

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## Categories

- [General update](https://poweroptimal.com/category/general-update/)
- [Energy supply](https://poweroptimal.com/category/energy-supply/)
- [Press releases](https://poweroptimal.com/category/press-releases/)
- [Renewables](https://poweroptimal.com/category/renewables/)
- [Solar PV water heating](https://poweroptimal.com/category/solar-pv-water-heating/)
- [Energy news](https://poweroptimal.com/category/energy-news/)

## Tags

- [X City of JohannesburgX competition](https://poweroptimal.com/tag/x-city-of-johannesburgx-competition/)
- [finalistX Green City StartupX Resolution Circle](https://poweroptimal.com/tag/finalistx-green-city-startupx-resolution-circle/)
- [winner](https://poweroptimal.com/tag/winner/)
- [energy](https://poweroptimal.com/tag/energy/)
- [peak](https://poweroptimal.com/tag/peak/)
- [power](https://poweroptimal.com/tag/power/)
- [price](https://poweroptimal.com/tag/price/)
- [1 kW](https://poweroptimal.com/tag/1-kw/)
- [2 kW](https://poweroptimal.com/tag/2-kw/)
- [3 kW](https://poweroptimal.com/tag/3-kw/)
- [backup power](https://poweroptimal.com/tag/backup-power/)
- [battery](https://poweroptimal.com/tag/battery/)
- [electricity](https://poweroptimal.com/tag/electricity/)
- [generator](https://poweroptimal.com/tag/generator/)
- [inverter](https://poweroptimal.com/tag/inverter/)
- [kilowatt](https://poweroptimal.com/tag/kilowatt/)
- [load shedding](https://poweroptimal.com/tag/load-shedding/)
- [solar](https://poweroptimal.com/tag/solar/)
- [batteries](https://poweroptimal.com/tag/batteries/)
- [demand charges](https://poweroptimal.com/tag/demand-charges/)
- [electricity crisis](https://poweroptimal.com/tag/electricity-crisis/)
- [energy storage](https://poweroptimal.com/tag/energy-storage/)
- [grid upgrades](https://poweroptimal.com/tag/grid-upgrades/)
- [Nissan South Africa](https://poweroptimal.com/tag/nissan-south-africa/)
- [tariffs](https://poweroptimal.com/tag/tariffs/)
- [Tesla](https://poweroptimal.com/tag/tesla/)
- [USA](https://poweroptimal.com/tag/usa/)
- [Utility Dive](https://poweroptimal.com/tag/utility-dive/)
- [coal](https://poweroptimal.com/tag/coal/)
- [Costa Rica](https://poweroptimal.com/tag/costa-rica/)
- [energy fossil fuel](https://poweroptimal.com/tag/energy-fossil-fuel/)
- [nuclear power](https://poweroptimal.com/tag/nuclear-power/)
- [record renewable energy](https://poweroptimal.com/tag/record-renewable-energy/)
- [wind](https://poweroptimal.com/tag/wind/)
- [City of Johannesburg](https://poweroptimal.com/tag/city-of-johannesburg/)
- [competition](https://poweroptimal.com/tag/competition/)
- [Green City Startup](https://poweroptimal.com/tag/green-city-startup/)
- [Resolution Circle](https://poweroptimal.com/tag/resolution-circle/)
- [PV solar](https://poweroptimal.com/tag/pv-solar/)
- [storage](https://poweroptimal.com/tag/storage/)
- [solar roof tiles](https://poweroptimal.com/tag/solar-roof-tiles/)
- [electron economy](https://poweroptimal.com/tag/electron-economy/)
- [Ulf Bossel](https://poweroptimal.com/tag/ulf-bossel/)
- [fossil fuels](https://poweroptimal.com/tag/fossil-fuels/)
- [Solar City](https://poweroptimal.com/tag/solar-city/)
- [electric](https://poweroptimal.com/tag/electric/)
- [Germany](https://poweroptimal.com/tag/germany/)
- [internal combustion engine](https://poweroptimal.com/tag/internal-combustion-engine/)
- [Eskom](https://poweroptimal.com/tag/eskom/)
- [grid parity](https://poweroptimal.com/tag/grid-parity/)
- [Ravi Naidoo](https://poweroptimal.com/tag/ravi-naidoo/)
- [University of Johannesburg](https://poweroptimal.com/tag/university-of-johannesburg/)
- [green economy](https://poweroptimal.com/tag/green-economy/)
- [New Zealand](https://poweroptimal.com/tag/new-zealand/)
- [South Africa](https://poweroptimal.com/tag/south-africa/)
- [Denmark](https://poweroptimal.com/tag/denmark/)
- [demand management](https://poweroptimal.com/tag/demand-management/)
- [inflation](https://poweroptimal.com/tag/inflation/)
- [Europe](https://poweroptimal.com/tag/europe/)
- [solar PV](https://poweroptimal.com/tag/solar-pv/)
- [United Kingdom](https://poweroptimal.com/tag/united-kingdom/)
- [UK](https://poweroptimal.com/tag/uk/)
- [France](https://poweroptimal.com/tag/france/)
- [floating wind farm](https://poweroptimal.com/tag/floating-wind-farm/)
- [water](https://poweroptimal.com/tag/water/)
- [shower](https://poweroptimal.com/tag/shower/)
- [bath](https://poweroptimal.com/tag/bath/)
- [municipalities](https://poweroptimal.com/tag/municipalities/)
- [cost](https://poweroptimal.com/tag/cost/)
- [1988](https://poweroptimal.com/tag/1988/)
- [2019](https://poweroptimal.com/tag/2019/)
- [CPI](https://poweroptimal.com/tag/cpi/)
- [Electrolux](https://poweroptimal.com/tag/electrolux/)
- [Elon](https://poweroptimal.com/tag/elon/)
- [City of Cape Town](https://poweroptimal.com/tag/city-of-cape-town/)
- [Tshwane](https://poweroptimal.com/tag/tshwane/)
- [eThekwini](https://poweroptimal.com/tag/ethekwini/)
- [2021](https://poweroptimal.com/tag/2021/)
- [2022](https://poweroptimal.com/tag/2022/)
- [2026](https://poweroptimal.com/tag/2026/)
- [2024](https://poweroptimal.com/tag/2024/)
- [increases](https://poweroptimal.com/tag/increases/)

## Gallery Categories

- [Air Conditioning](https://poweroptimal.com/gallery-cat/air-conditioning/)
- [Electrical](https://poweroptimal.com/gallery-cat/electrical/)
- [Heating](https://poweroptimal.com/gallery-cat/heating/)
- [Other](https://poweroptimal.com/gallery-cat/other/)
- [Security Systems](https://poweroptimal.com/gallery-cat/security-systems/)