Solar Battery Storage

No pushy sales talk. No confusing jargon. Just straightforward advice and a quick quote.

Book a free home visit, or call us on (02) 6342 3354. We’ll review your energy use, design the right system for your home, and get you moving towards big savings.

With electricity prices continuing to rise across New South Wales, standard solar panels are only half the equation. To truly break free from the grid, you need a way to capture the power your roof generates during the day and save it for when you actually need it most—at night, during peak billing hours, or when the central grid goes down.

At Zac Power, we design and install tailored solar battery storage solutions for homeowners and businesses in Cowra and surrounding regional communities. Whether you want complete energy independence, protection against blackouts during severe Central West storms, or to virtually eliminate your electricity bills, we have a system built for your needs.

Every home uses energy differently. That’s why we don’t believe in a one-size-fits-all approach. Zac Power partners with the world’s leading energy storage manufacturers to bring Cowra residents the most reliable, efficient, and cutting-edge technology on the market.

1. Sigenergy (SigenStor)

• AI-Driven Smart Management: Sigenergy systems use advanced AI to optimise your power consumption, predicting weather patterns and household usage to save you the maximum amount of money.

• Modular Stackable Design: Easily expand your storage capacity as your family grows. Battery modules stack neatly on top of one another without messy wiring.

• Future-Proof EV Integration: Sigenergy seamlessly integrates solar generation, home storage, and fast EV charging into a single sleek unit.

2. Tesla Powerwall

• Whole-Home Backup: Engineered to protect your home against regional blackouts, the Tesla Powerwall kicks in seamlessly during an outage, keeping your lights, fridge, and heavy appliances running without interruption.

• Massive Power Delivery: Capable of handling high-demand appliances like air conditioners and water pumps, making it perfect for both town blocks and regional properties.

• The Tesla App: Monitor your real-time solar production, battery levels, and grid reliance from anywhere in the world with the most intuitive app on the market.

3. Enphase IQ Battery

• Microinverter Technology: Built on Enphase’s industry-leading microinverter platform, this system converts DC to AC power directly at the battery module. If one part encounters an issue, the rest of the system keeps running smoothly.

• Maximum Safety: Utilising Lithium Iron Phosphate (LFP) chemistry, Enphase batteries are exceptionally stable, long-lasting, and completely free of high-voltage DC risks inside your home.

• Granular Scalability: With smaller modular options, you can start small and add precise amounts of storage perfectly matched to your budget and needs.

4. Sungrow

• Perfect Pairing: If you already have a Sungrow inverter (or are looking at a complete new system), adding a Sungrow high-voltage battery offers flawless integration and peak efficiency.

• Robust Regional Build: Built to handle tough Australian conditions, these durable modular units feature a high weatherproof rating and high temperature tolerance.

• Cost-Effective Independence: Sungrow offers premium tier-1 technology and a fantastic warranty at a price point that delivers an exceptionally fast return on investment.

A common misconception is that standard solar panels will keep your lights on during a power outage. In reality, standard solar systems are legally required to shut down during a blackout to protect technicians working on the power lines.

When you add a smart battery storage system with backup capabilities, your home gains an automatic safety net:

Instant Emergency Backup: The moment the main grid drops out due to a storm or network fault, the battery detaches your home from the grid in a fraction of a second. It creates an isolated “energy island,” keeping your fridge cold, your lights on, and your essential appliances running without you even noticing the neighborhood has gone dark.

Solar panels are great when the sun shines, but what happens when it sets? A home battery acts as your personal energy bank, storing your daytime solar power so you can use it whenever you need it.

Here is how a typical 24-hour cycle works with a battery installed:

• The Morning Rush (6 AM – 9 AM): Your panels are just waking up, but household energy use is high. Instead of buying expensive grid power, your home draws on the clean energy stored from the day before.

• The Midday Soak (9 AM – 4 PM): Solar production peaks while the house is usually quiet. This surplus generation is automatically directed to charge your battery to 100%.

• The Evening Peak (4 PM – 10 PM): Electricity rates spike as everyone comes home and turns on heavy appliances. Your battery seamlessly kicks in to run the whole house, keeping your grid reliance at zero.

• Overnight (10 PM – 6 AM): While you sleep, the battery safely discharges to keep your fridge and essential background appliances running until the sun rises to start the cycle all over again.

Choosing the right battery hardware is only the first step—the quality of the installation determines its long-term safety, efficiency, and reliability.

• Proudly Local: We live and work in Cowra, servicing the wider Central West region. We understand local grid constraints, regional weather patterns, and Essential Energy network requirements.

• Expert Technical Craftsmanship: We don’t cut corners. Our fully licensed and accredited team ensures your system is perfectly configured to maximize your self-consumption and battery lifespan.

• End-to-End Service: From analysing your historical power bills to designing the system, managing your government rebates, and providing local ongoing support, we take care of the entire process.