Synergy Energy Solutions is an approved Tesla Powerwall 3 supplier and certified installer, bringing you cutting-edge energy storage solutions with unmatched reliability. We design, deploy and support Tesla Powerwall 3 systems that empower homes and businesses to achieve energy independence, resilience and lower utility costs.
Get a Free QuoteA complete, locally compliant Tesla Powerwall 3 service, from the first site assessment to commissioning, monitoring and after-sales support, carried out by our specialist solar technicians and certified by a qualified electrician with a full SANS 10142-1 Certificate of Compliance. We install across Gauteng (Pretoria, Johannesburg, Sandton, Midrand, Centurion), the Western Cape and Limpopo.
South African homes face load shedding, rising tariffs and grid instability. The Powerwall 3 is engineered to address each one, and to keep paying for itself for the next decade.
When the grid fails, Powerwall 3 switches to battery power within milliseconds, so fast that most appliances won't even flicker. During daylight, your solar panels continue generating, recharging the battery while powering your home. Ride through multiple consecutive load shedding stages without interruption.
Every kilowatt-hour your solar panels generate is a kilowatt-hour you don't buy from Eskom. The Powerwall 3 stores excess solar energy for use during expensive evening peak hours. Tesla's intelligent software optimises this cycle automatically, ensuring you buy as little grid electricity as possible.
Eskom tariffs have increased by over 400% in the last 15 years, with further above-inflation increases projected. Once installed, a significant portion of your energy comes from solar, at a fixed cost that doesn't increase year after year. The longer you own the system, the greater your savings.
Homes with solar and battery installations are increasingly valued by South African property buyers. A Tesla Powerwall 3 system is particularly desirable due to Tesla brand recognition and the tangible benefits of energy independence. It's not just an energy investment, it's a property investment.
If you drive an electric vehicle, Tesla or any other brand, the Powerwall 3 enables you to charge your car from stored solar energy. Combined with a Tesla Wall Connector or third-party charger, you can power your daily commute entirely from sunshine. Synergy also installs Sigen EV chargers for AI-optimised charging.
Every kilowatt-hour of solar energy you use is a kilowatt-hour not generated by coal-fired power stations. A typical Tesla Powerwall 3 system with solar panels can offset several tonnes of CO₂ emissions annually, contributing meaningfully to South Africa's energy transition while reducing your personal carbon footprint.
A complete view of the Powerwall 3's electrical, mechanical and environmental specifications, verified against Tesla's official datasheet.
| Electrical Specifications | |
|---|---|
| Usable energy capacity | 13.5 kWh per unit |
| On-grid continuous power | 11.04 kW AC |
| Off-grid peak power | up to 15.4 kW (with appropriate breaker sizing) |
| Solar input (DC) | up to 20 kW DC, 6 MPPTs (60 to 550 V DC) |
| Heavy-load motor start | 185 A LRA (typical air-conditioner / borehole pump start-up) |
| Battery chemistry | Lithium iron phosphate (LFP), non-cobalt, thermally stable |
| Round-trip efficiency | ≈ 89% (DC-coupled) |
| System scalability | Up to 4 Powerwall 3 units in parallel (54 kWh / 44 kW) |
| Mechanical & Environmental | |
| Dimensions (H × W × D) | 1,105 × 609 × 193 mm |
| Weight | 130 kg |
| Mounting options | Floor or wall mount, indoor or outdoor |
| Operating temperature | −20 °C to +50 °C (de-rated above 40 °C) |
| Ingress rating | IP67 (battery & power electronics) / IP55 (wiring compartment) |
| Operating noise | < 50 dB(A) typical at 1 m |
| Maximum elevation | 3,000 m above sea level |
| Warranty | 10 years, unlimited cycles, ≥70% capacity retention |
All specifications verified against Tesla's official Powerwall 3 datasheet. Performance may vary based on installation conditions and local grid configuration. Our specialist solar technicians will confirm exact specifications for your installation during the site assessment.
Transparent pricing on the most popular Powerwall 3 configurations. All packages include full installation by our specialist solar technicians, with a SANS 10142-1 Certificate of Compliance signed off on every job.
Suitable for home backup or to upgrade an existing solar system with a new inverter and battery.
Produces up to 1,100 kWh/month. Suitable for homes with a utility bill of approximately R 4,000 to R 5,000.
Produces up to 1,700 kWh/month. Suitable for homes with a utility bill of approximately R 5,000.
For larger homes with utility bills of approximately R 6,000 to R 8,000 per month.
Our specialist solar technicians will design a custom Tesla Powerwall 3 system based on your load profile, daytime usage and backup needs, at no cost.
A clear, professional installation pathway, designed to be transparent from first contact to final commissioning, with full SANS 10142-1 compliance built in at every stage.
One of our specialist solar technicians visits your home or business to inspect your distribution board, available roof space, daytime versus evening load profile and existing electrical infrastructure. We review 3 to 6 months of utility bills to size the system accurately.
We design a Tesla Powerwall 3 system tailored to your peak load requirements, daytime energy usage and backup priorities, and future-proof the design so the system can be expanded later without rework. You receive a detailed line-item quotation with no hidden costs.
For grid-tied installations we handle the Small-Scale Embedded Generation (SSEG) application with your local municipality on your behalf. SSEG registration fees and concessions vary by municipality and change from time to time, so we confirm the current fee for your area as part of your quote.
Our installation crews are made up of specialist solar technicians working under the oversight of a qualified electrician registered with the Department of Employment & Labour. All wiring, mounting, breaker sizing and earthing is done to SANS 10142-1 and NRS 097-2-3 standards, then inspected and signed off by the electrician of record. A typical residential Powerwall 3 install is completed in 1 to 2 working days.
We commission the system, configure the Tesla Gateway 2, set your backup reserve and load priorities, then walk you through the Tesla monitoring app on your own phone, so you understand exactly how to read your system's performance.
You receive a SANS 10142-1 Certificate of Compliance signed by the qualified electrician of record, full system documentation, the 10-year Tesla manufacturer warranty registered in your name, and direct access to our after-sales support team.
Synergy Energy Solutions remains your dedicated support partner for the lifetime of your system. We monitor performance remotely, coordinate any warranty claims directly with Tesla on your behalf and provide responsive technical assistance when you need it, long after handover, not just during the first year.
Available on iOS and Android, the Tesla app provides comprehensive monitoring, intelligent automation and granular control, all through Tesla's signature clean, intuitive interface.
Watch live as energy flows between your solar panels, Powerwall battery, home loads and the grid. The animated visualisation shows exactly where your power is coming from and where it's going at every moment.
Analyse your energy data across any timeframe, daily, weekly, monthly or yearly. Track solar generation, self-consumption ratios, grid imports and cost savings. Compare periods to see how seasonal changes affect your energy profile.
Maximise energy independence by prioritising solar and battery power. The system stores excess solar during the day and deploys it during the evening and overnight, minimising grid dependency based on your historical usage patterns.
If your municipality uses time-of-use tariffs, Time-Based Control programmes your Powerwall to charge during cheap off-peak hours and discharge during expensive peak periods, automatically reducing costs.
Set a minimum battery reserve that's always maintained for emergency backup. Increase it during high load shedding risk periods for extra security, or decrease it during stable periods to maximise daily savings.
Tesla monitors weather forecasts for your location and automatically charges your Powerwall to 100% before severe weather events. In South Africa, equally valuable ahead of storms, heavy rains or scheduled load shedding escalations.
If your municipality offers a feed-in tariff or net metering programme, manage exports to the grid. Monitor how much energy you're exporting, track credits earned and optimise settings to balance self-consumption with export revenue.
Tesla continuously improves the Powerwall 3 through over-the-air updates, just like a Tesla vehicle. New features, performance optimisations and enhanced algorithms are delivered directly to your system, ensuring it gets better over time at no additional cost.
Tesla has redefined what a home battery system can do. The Powerwall 3 isn't just a battery, it's a fully integrated solar and storage platform that powers your entire home, learns your energy habits and protects you during outages.
Most home battery systems only power selected circuits during an outage. Tesla Powerwall 3 is different. With 11 kW continuous output and 140 A startup capacity, it powers your entire home, including air conditioners, pool pumps, electric stoves and EV chargers. No circuit selection, no compromise.
The Powerwall 3 combines a solar inverter and battery inverter into a single unit. Your panels connect directly via DC coupling, eliminating the need for a separate solar inverter. Higher efficiency, simpler installation, fewer components, cleaner aesthetic.
Tesla's software continuously optimises energy flow based on your household patterns, electricity tariffs and weather conditions. The system automatically decides when to store solar energy, when to use battery power and when to draw from the grid, maximising savings without manual intervention.
When severe weather is forecast, the Tesla app automatically triggers Storm Watch, fully charging your Powerwall before the weather hits. In South Africa, this feature is equally valuable ahead of scheduled load shedding escalations, ensuring you're always prepared.
Start with a single Powerwall 3 (13.5 kWh) and add expansion packs or additional units as your needs grow. Connect up to 4 Powerwall 3 units for a total of 54 kWh of storage and 44 kW of power, enough for the largest homes or small commercial applications.
The Powerwall 3 integrates seamlessly with Tesla's broader ecosystem. If you drive a Tesla, your Powerwall and Tesla Wall Connector work together to optimise EV charging from solar. The Tesla app provides a unified view of home energy, solar production, battery status and vehicle charging.
Tesla is the world's most valuable energy and automotive company, with a proven track record of innovation in battery technology, solar energy and software. Your Powerwall 3 benefits from ongoing research, over-the-air software updates and a global warranty programme.
Answers to the most common questions about Tesla Powerwall 3 systems in South Africa.
Book a free site assessment in Centurion, Cape Town or Polokwane and we'll size, design and quote a Tesla Powerwall 3 system for your home or business.
Load shedding is the single biggest reason South African homeowners invest in a battery, and the Tesla Powerwall 3 is engineered to handle Stage 8 conditions and beyond without compromise.
The Tesla Gateway 2 detects grid loss and disconnects from the utility in under a second. Your lights, fridge, Wi-Fi router, alarm and computer stay on without interruption, no more reboots, lost work or burglar alarm false-positives.
With 11 kW of continuous output and the ability to start heavy motor loads up to 185 A LRA, a single Powerwall 3 can run an entire average South African home, including air conditioners, electric ovens, geysers and borehole pumps, without load shedding.
Storm Watch monitors weather forecasts and pre-charges your Powerwall 3 to 100% before severe conditions arrive, so when storms knock out the grid for hours, your battery is already topped up and ready.
The Tesla app lets you charge from the grid during off-peak rates and discharge during peak rates, useful as Eskom rolls out time-of-use tariffs for residential customers across South Africa.
If you drive an electric vehicle, or are planning to, the Tesla Powerwall 3 is built to charge it. Synergy Energy Solutions installs the Tesla Wall Connector and integrates compatible third-party EV chargers, so you can charge your EV from your own solar power instead of grid electricity.
Tell us your expected vehicle and weekly mileage during the site assessment and we'll size your Powerwall 3 system to handle both your home and EV charging needs.
Get a Free QuoteAn honest comparison of the Powerwall 3 against the most popular home battery brands sold in South Africa today. We supply most of these brands ourselves, so we have no reason to misrepresent any of them.
| Feature | Tesla Powerwall 3 | Sigenergy SigenStor | BSL / Freedom Won |
|---|---|---|---|
| Integrated solar inverter | ✓ Yes (single unit) | ✓ Yes (modular) | ✗ External inverter required |
| Continuous AC output (per unit) | 11 kW | 5 to 25 kW (modular) | Inverter-dependent |
| Startup capacity (motor start) | 140 A (185 A LRA, runs A/Cs, pool pumps, boreholes) | ~120 A (model-dependent) | Inverter-dependent |
| Maximum solar input | Up to 20 kWp DC (integrated) | Up to 25 kWp (modular hybrid) | External inverter required |
| Multi-orientation roof support | 6 MPPTs at 60 to 550 V DC | Multiple MPPTs (model-dependent) | Inverter-dependent |
| Usable capacity | 13.5 kWh, scalable to 54 kWh | 5 to 48 kWh (stackable) | 4.8 to 20 kWh per battery |
| Battery chemistry | Lithium iron phosphate (LFP) | Lithium iron phosphate (LFP) | LFP (most models) |
| Warranty | 10 years, unlimited cycles, ≥70% capacity | 10 years | 5 to 10 years (varies) |
| Smart-app monitoring | Tesla app (industry-leading) | Sigen Cloud app | Brand-specific apps |
| EV charging integration | Native (Tesla Wall Connector) | Native (SigenStor EV unit) | Third-party only |
| Storm Watch / predictive charging | ✓ Built-in | ✗ | ✗ |
| Whole-home backup ready | ✓ Yes (single unit) | ✓ Yes (with sizing) | Inverter-dependent |
As an installer of Tesla, Sigenergy, Sunsynk, Victron, Fronius, Canadian Solar and JA Solar systems, Synergy Energy Solutions designs the right system for each customer, not the most expensive one. If a Tier-1 alternative is the better fit for your site and budget, we'll tell you.
The Powerwall 3 carries a 10-year manufacturer warranty with unlimited cycles and a guaranteed 70% minimum capacity at end of warranty. Tesla's exchange warranty covers labour and travel, unlike many other battery warranties, so you incur no additional out-of-pocket costs if a unit needs replacement.
Every installation is signed off with a SANS 10142-1 Certificate of Compliance by a qualified electrician registered with the Department of Employment & Labour. We handle SSEG applications, NRS 097-2-3 grid-tie compliance and all municipal documentation as part of the standard scope.
Synergy Energy Solutions provides remote diagnostics and proactive monitoring for the lifetime of your system. If we detect an underperforming string or a faulty unit, we contact you first, you don't have to wait for a problem to become obvious.
A Tesla Powerwall 3 is a significant investment that delivers substantial returns over its lifetime. Synergy offers three flexible payment paths so you can match the system to your cash position and risk appetite, not the other way around.
Pay upfront for maximum long-term savings. With no finance costs, your system delivers the fastest return on investment and you benefit from immediate electricity savings from day one, every kilowatt-hour of solar generation goes straight to your bottom line.
Fastest payback · Maximum lifetime savingsSpread the cost over manageable monthly instalments through one of our partner finance providers. Many homeowners find their monthly finance repayment is partially or fully offset by their savings on the Eskom bill, meaning the system effectively pays for itself while you own it outright at the end of the term.
Own the system · Repayment offset by bill savingsZero upfront capital. Pay a fixed monthly rental that typically compares favourably with your current electricity expenditure. Preserve your cash for other priorities while enjoying immediate energy independence and load shedding protection, with the option to take ownership at the end of the term.
No deposit · Immediate energy independenceAll finance options are facilitated through accredited South African finance providers and are subject to credit assessment and approval. We'll discuss the right structure for your situation during your free site assessment.
Real reviews from Synergy Energy Solutions customers across South Africa.
"I couldn't be more thrilled with my decision to go solar, and Synergy Energy Solutions made the entire process seamless and enjoyable. From the initial consultation to the final installation, their professionalism, expertise, and dedication to customer satisfaction were evident every step of the way. The installation crew was punctual, efficient, and left my property spotless."
"Thank you Jacques and Jaco from Synergy Energy Solutions. Your professionalism and excellent service resulted in a great solar installation and solution. We are very happy and would recommend you to anyone looking for a residential or commercial solution. We can vouch for both. Well done."
"What an absolute pleasure to have Synergy as my solar provider. After I have been scammed previously by a 'reputable' company, I was unsure where to turn next. Synergy was recommended and from day one they exceeded my wildest expectations. Very professional, always friendly, prompt service and the list goes on. Thank you Jean and team, you guys rock!"
"What a pleasure to deal with Synergy, it's a company with experience and after-care service. Jacques always takes my calls (and there were many) during and after the installation, always willing to assist, always monitoring our system for optimal usage. Our site was always clean, they were always on time. Jacques and team, thank you, it's much appreciated."
"Synergy Energy Solutions is an excellent company, very good workmanship as requested. The system looks neat and professional. Thank you also for the over-and-above tasks that were performed for the preparation of the installation. The system has been running for a month now, I was always immediately assisted by competent personnel. The form, fit and function of the system is awesome!"
"I have used Synergy Solutions to do solar installations on two separate occasions. In both instances I found them to be speedy, professional, friendly and extremely competent. I can highly recommend them."
Read all 73 reviews on our Google Business Profile.
Synergy Energy Solutions (Pty) Ltd was established in 2010, making us one of the longest-standing solar installers operating in South Africa today. Over 16 years we have designed and commissioned hybrid, grid-tied and off-grid solar systems for thousands of residential and commercial customers, from single-Powerwall home backups to multi-megawatt commercial PV plants.
We are an approved Tesla Powerwall 3 supplier and certified installer, a PV GreenCard accredited company, and aligned with SAPVIA-recognised industry standards. Our installation crews are led by qualified electricians registered with the Department of Employment & Labour, and every system we deliver is signed off with a SANS 10142-1 Certificate of Compliance.
Our offices in Centurion (Gauteng), Table View (Cape Town) and Polokwane (Limpopo) let us service customers throughout Pretoria, Johannesburg, Sandton, Midrand, the Vaal Triangle, Cape Town, Stellenbosch, Somerset West, the Winelands, Polokwane, Tzaneen, Mokopane and the wider Western Cape, Gauteng and Limpopo regions.
Synergy Energy Solutions is accredited by South Africa's leading electrical, solar and battery industry bodies, your assurance of compliant, professional installation.
Member of the Electrical Contractors' Association of South Africa, the leading industry body for registered electrical contractors, ensuring our installations meet the highest professional standards.
An industry-led quality label that guarantees a high standard of quality, safety and compliance for small-scale solar PV installations across South Africa.
Aligned with the South African Photovoltaic Industry Association, the recognised body representing the solar PV industry and setting installation, training and quality standards nationwide.
Approved Tesla Powerwall 3 supplier and Tesla Energy Certified Installer, trained and authorised by Tesla to design, install and service Powerwall 3 systems in South Africa.
Eight reasons South African homeowners trust Synergy with their energy independence, every one of them earned over 16 years of installations, not claimed.
Certified by Tesla to supply and install the Powerwall 3, with direct factory training and Tesla-platform support, every system registered in your name.
Established 2010. Thousands of residential and commercial installations across South Africa, from single-Powerwall homes to multi-megawatt PV plants.
Head office in Centurion, with branches in Cape Town and Polokwane. We install Tesla Powerwall 3 systems anywhere in South Africa, Gauteng to the Cape.
Approved installers for Tesla, SigenStor and Victron Energy. We genuinely recommend the right system for your home, not whichever one earns us the biggest margin.
Members of SAPVIA, PV GreenCard and the ECA. Every installation includes a SANS 10142-1 Certificate of Compliance signed by a qualified electrician of record.
One team for the whole project, site assessment, system design, SSEG application, installation, Tesla platform activation and ongoing support. No handoffs, no excuses.
Cash purchase, instalment finance and rental asset finance, three paths so you can match the system to your cash position, not the other way around.
Remote system monitoring, warranty coordination directly with Tesla and responsive technical support for the lifetime of your investment, not just the first year.
Schedule a free, no-obligation site assessment with our specialist solar technicians. We'll design a Tesla Powerwall 3 system around your actual usage, your roof and your budget, and our qualified electricians will issue your SANS 10142-1 Certificate of Compliance.
One of our specialist solar technicians will be in touch to discuss your Tesla Powerwall 3 system and arrange your free site assessment.
Prefer to talk now? Call us on 010 601 6464