Commercial Battery Storage Sydney
Key Features of the Energus C&I Battery
Cut Peak Costs
Charge when power is cheap or from your solar. Use power when prices spike. Pay less.
Reliable Power
Keep critical loads on during outages. Keep operations running.
Sustainability & Renewables
Store surplus solar for evening operations. Increase onsite self-consumption and reduce emissions.
Start Small, Scale Up
Modular units that grow with your site. Add packs or cabinets as your load increases.
Grid Independence
Run key circuits even if the grid is unstable. Reduce exposure to price spikes and blackouts.
Rebates & Incentives
Access available government support. Shorter payback and stronger project value.
Commercial Solar Battery Storage Systems for Sydney Businesses
How Commercial Battery Storage Works
Battery energy storage systems capture and store electricity, either from the grid during off-peak periods or from on-site solar generation, and release it when your business needs it most. A well-designed BESS in Sydney allows you to:
- Lower peak demand charges by drawing stored energy during high-tariff periods
- Maximise self-consumption of solar energy generated on-site
- Maintain critical operations during grid outages with backup power capability
- Stabilise energy costs against market volatility and rising electricity prices
- Improve your carbon footprint while strengthening operational resilience
BESS Sydney: Tailored Energy Storage Design
At Energus, we design every battery energy storage system around your specific energy profile. Our in-house solar and battery engineers analyse your consumption data, load patterns and site conditions to recommend the right battery capacity, chemistry and configuration.
We take a technology-agnostic approach, selecting the best battery products from Tier 1 manufacturers to match your operational requirements. If you have a preferred manufacturer, we integrate your choice smoothly into the system design.
End-to-End Commercial Battery Installer Services
Energus provides extensive project delivery for commercial battery storage in Sydney and across Australia. Our services cover every stage of the project lifecycle:
1. Initial energy assessment and feasibility analysis
2. Battery system design and engineering
3. Panel layouts, schematic drawings and AC/DC line diagrams
4. SWMS documentation and safety planning
5. Procurement and logistics management
6. On-site installation and quality control
7. Commissioning, monitoring and ongoing operational support
A dedicated project manager with hands-on construction site knowledge manages each project, making sure that we deliver on time and on budget with minimal variations. Our internal engineering team oversees every stage from design through to handover. Call 1300 090 187 or request a free quote to get started.
Proven Battery and Solar Experience Across Australia
Energus has delivered over 100MW of renewable energy projects across Australia. Our landmark installations include the Australian National Maritime Museum, Sydney Art Gallery Extension (a 300kW system featuring 5,000m of DC cabling and 9 Fronius inverters) and major commercial sites for Volvo and Mercedes dealerships. We have also installed more than 80 solar systems for schools and worked with NSW government and police force sites.
Our industry experience extends to large-scale integrated projects such as the 2,018kW installation at the Tip Top Chullora site. That project combined conventional glass panels with Sunman eARC lightweight technology to generate approximately 2.5 million kWh of electricity annually, lowering over 2,000 metric tonnes of CO2 emissions each year.
This proven track record across government, education and commercial sectors gives our clients confidence that their battery storage investment is in capable hands.
Energus Recent Battery Projects
CEVA Berrinba, QLD
Industrial rooftop solar system with battery storage across two sites. A 998 kWp solar array is paired with a 746 kWh battery, installed in December 2023.
Solar Capacity: 998 kWp
Battery Capacity: 746 kWh
Installation Date: Dec 2023
Pokolbin, NSW
This installation in the heart of NSW wine country combines two distinct storage systems to meet varied energy needs. A small wall-mounted Alpha ESS Storion-S5 battery offers 12 kWh storage for daily load shifting. A larger RedEx RX-215k battery provides 215 kWh of backup. This helps support facility operations and makes better use of solar energy.
Battery Capacity: 12 kWh + 215 kWh
Installation Date: Jul 2025
Abacus Property Group, NSW
A targeted two-site deployment designed to flatten peaks, lift solar self-consumption, and build operational resilience.
Solar Capacity: 79 kWp
Battery Capacity: 271 kWh
Installation Date: Oct 2024
ARTC, NSW
A five-site deployment across regional NSW to reduce peak demand, lift solar self-consumption, and harden operational resilience for rail assets. Standardised designs keep O&M simple, while site-specific sizing balances daytime loads and after-hours coverage.
Solar Capacity: 310 kWp
Battery Capacity: 330 kWh
Installation Date: Aug 2025
Discover how these real-world installations provide real benefits. They help reduce peak demand and emissions. They also offer reliable backup. Learn how we can create a solution just for your business.
Why Trust Energus Pty Ltd
Energus stands apart as a trusted commercial battery installer serving Sydney and businesses nationwide. Here is why organisations across Australia choose us:
- Dedicated in-house engineering team: Our internal solar and battery engineers oversee every project, delivering precision and quality at each stage.
- Extensive end-to-end delivery: From system design and documentation through to installation and ongoing operational support, we manage every detail.
- ISO-certified safety and quality systems: We hold ISO 45001:2018 (Occupational Health and Safety) and ISO 9001:2016 (Quality Management) certifications for the provision and installation of solar energy systems.
- Tier 1 components only: We exclusively use hand-selected Tier 1 manufacturers
- Award-winning track record: We earned a Top 3 National Installer ranking in the 40 to 100kW category and the SunWiz Top Solar Company Award Winner 2025, with over 1,800 pricing quotations completed.
We are also a NETCC-approved seller, a Clean Energy Council member and a member of Master Electricians of Australia. Energus holds electrical contractor licences in NSW (279520C), QLD (91482) and SA (PGE 335943).