Residential Solar batteries Penrith, Hawkesbury, Blue Mountains

RESIDENTIAL SOLAR BATTERY INSTALLATION

Store your solar energy, maximise your savings, and ensure energy independence with solar batteries.

UNABLE TO USE YOUR solar power at night?

Soaring energy costs can take a toll on your budget, but there is an affordable solution. With solar batteries, you can store your own solar energy, reduce your reliance on the grid, and enjoy long-term savings. Maximise your energy independence and protect yourself from fluctuating energy prices.

Save more with solar batteries

Thousands of families in the Nepean, Hawkesbury, and Blue Mountains have installed solar batteries, experiencing significant savings and enhanced energy independence.

Discover real stories and see the impressive before-and-after results of their energy costs with solar battery storage.

Why Choose Avery Solar & Electrical
for Battery Installation?

As a local Blue Mountains-based installer, we understand regional grid conditions, Ausgrid requirements and bushfire-prone infrastructure challenges. All battery systems are installed by licensed electricians and comply with Clean Energy Council (CEC) standards.

We conduct on-site assessments, review your historical energy usage and design battery solution tailored to your home, not generic package deals.

Family Owned

We are proudly family owned and operated, providing a reliable solar panel and solar battery service to the Penrith, Nepean, Hawkesbury and Blue Mountains.

Qualified

With over 20 years’ experience in the electrical industry, all our technicians are fully licensed and insured, guaranteeing expert workmanship and peace of mind.

Experienced

Founded in 2018, we’re committed to delivering honest, reliable service, with over 1,000 solar panel and solar battery installations for local homes and businesses.

Personalised

We always conduct on-site visits at your home or business to assess your unique environment. This ensures we design a solar panel and battery system tailored to your specific needs, optimising your stored energy.

What our customers say

Preparing for the Future
with Residential Solar Batteries

With the rising cost of living, homeowners face higher energy bills, increased carbon footprints, and dependence on fossil fuels. Without solar batteries, you miss out on maximising your solar energy usage and achieving true energy independence. A well-integrated solar inverter can further improve energy efficiency, ensuring you make the most of your solar installation.

Solar Energy:

Your Solution to Rising Electricity Costs

Benefits of residential solar panels and batteries:

Solar Batteries Give You Blackout Protection

With frequent severe weather events, power outages are more common. A well-designed battery system can protect your home or business from blackouts, ensuring operations continue smoothly. Imagine being the only business on the block with power during an outage.

Environmental Benefits of Battery Storage

Pairing solar panels with a battery enhances environmental benefits. By storing excess solar energy, you help reduce evening peak demand and contribute to a more stable, renewable energy grid. When combined with a virtual power plant (VPP), your stored energy can even support the grid when demand is high.

Saving with Solar Batteries

A solar battery can offer substantial savings. A typical system can save between $500 and $850 per year on a standard tariff. For time-of-use tariffs, savings can be even higher, reducing your electricity bills significantly during peak rates. Residential battery storage in Penrith, Hawkesbury, and the Blue Mountains offers tailored solutions for energy-efficient living.

Independence with Solar Batteries

Solar batteries minimize your reliance on electricity retailers, providing greater energy independence. While going completely off-grid can be costly, a battery system significantly reduces grid dependence.

Embracing New Solar Battery Technology

Battery systems like the Tesla Powerwall and Sonnen offer cutting-edge energy storage solutions. Enjoy the practical benefits and satisfaction of using the latest innovative technology for home energy storage, measured in kilowatt-hours (kWh).

Keep the power on, even in a blackout

Areas we service

At Avery Solar & Electrical, we proudly serve a wide range of communities across the Blue Mountains, Penrith, and Hawkesbury regions. Our commitment is to provide best-practice solar and electrical services tailored to the unique needs of each area.

Blue Mountains

Penrith

Hawkesbury

Get the Benefits of Solar Everyday

Residential Solar Panels in the Blue Mountains

Best Roof Orientation for Solar Panels in the Blue Mountains

What is the best roof orientation for solar panels in the Blue Mountains? Learn how direction, trees, shade, roof pitch and winter sun affect system design.

Tesla Powerwall 3 vs Sigenergy vs Sungrow: Which Battery Suits Your Home?

Compare Tesla Powerwall 3, Sigenergy and Sungrow home batteries. Learn how their storage, expansion, monitoring and backup options differ.

What Size Solar Battery Do I Need for My Home?

Learn how to choose the right solar battery size for your home, including what affects capacity, backup power and long-term savings.

Premium Solar Battery Brands We Install

We install leading battery systems including:

Tesla Powerwall | Enphase IQ Battery | REA Powerbank | Sigenergy SigenStor | Sungrow

All systems are CEC-approved and installed by fully licensed electricians.

home energy storage

Size Guide

WHAT SIZE Solar Battery Do I need?

The right battery size depends on

Your average daily electricity usage Your time-of-use tariff structure Whether you want blackout protection Whether you plan to join a Virtual Power Plant (VPP)

Typical Residential Battery Sizes

5–7 kWh – Small households
10–13 kWh – Average family home
15–20+ kWh – Large homes or partial off-grid systems

Optimal Return on Investment

Most homes in the Blue Mountains and Penrith region install batteries between 10–13.5 kWh for optimal return on investment.

Frequently Asked Questions

Do I need a solar battery?

A solar battery is not essential for every home, but it significantly increases the value of your solar system. Without a battery, excess solar energy generated during the day is exported back to the grid for a small feed-in tariff. With a battery, that energy is stored and used at night when electricity rates are higher.

For homeowners in Penrith, Hawkesbury and the Blue Mountains, a battery also provides backup protection during storms and grid outages. If you want to reduce reliance on electricity retailers, maximise self-consumption and protect against rising tariffs, a solar battery is a smart investment.

What can you expect to pay for a quality solar battery?

A quality residential solar battery in NSW typically costs between $7,000 and $15,000 fully installed. Pricing depends on:

Battery capacity (kWh size)
Brand and warranty
Backup capability
Installation complexity
Whether you’re adding to an existing system

Premium systems such as Tesla Powerwall or Enphase IQ Battery are generally in the upper range but offer longer warranties and better performance. Government rebates and Virtual Power Plant (VPP) programs can reduce upfront costs for eligible homes in the Blue Mountains and Penrith regions.

Do I need solar panels before I install a solar battery?

Yes. Solar panels are required to generate the electricity that a battery stores. A battery without solar panels would need to charge from the grid, which reduces financial benefit.

If you already have solar installed, we can assess whether your inverter is battery-compatible or if an AC-coupled battery system would be more suitable. For new installations across Hawkesbury, Penrith and the Blue Mountains, we design integrated solar and battery systems for maximum efficiency and long-term savings.

What size solar battery will I need?

The ideal battery size depends on your daily electricity usage and your goals.

As a general guide:

5–7 kWh suits smaller households
10–13.5 kWh suits average family homes
15–20+ kWh suits larger homes or partial off-grid setups

Most homes in the Blue Mountains and Penrith install 10–13.5 kWh systems for optimal return on investment. We review your past 12 months of electricity bills and usage patterns to recommend the most cost-effective solution.

How do rebates and VPPs make solar batteries more affordable, and what are the costs involved?

NSW homeowners may be eligible for solar battery rebates or incentives through government schemes and Virtual Power Plant (VPPs) programs. A VPP allows your battery to supply stored energy back to the grid during peak demand periods in exchange for credits or payments.

These programs can significantly reduce upfront installation costs or improve long-term savings. Incentives change regularly, so it’s important to work with a local installer who understands current NSW rebate conditions and Ausgrid requirements.

Which solar battery is best for my home?

The right battery depends on your household’s energy use, existing solar system, backup requirements, available installation space and future energy needs. Our comparison of Tesla Powerwall 3, Sigenergy and Sungrow solar batteries explains the key differences to help homeowners consider their options.

What are common tactics used by unreliable battery salespeople?

Warning signs include:

Promising unrealistic payback periods
Quoting without reviewing your electricity usage
Pushing unknown or unapproved battery brands
Failing to explain warranty conditions
High-pressure “today only” pricing

A reputable solar battery installer will conduct a site inspection, review your bills, explain system sizing clearly and provide transparent pricing. Always ensure your installer is licensed, insured and CEC-compliant.

What should you know about battery backup systems and what questions should you ask?

Not all batteries provide full-home blackout protection. Some only power selected “essential circuits” such as:

Fridge
Lights
Internet
Medical equipment

Ask about:

Backup capacity (kWh)
Switch-over time during outages
Whether the system supports whole-home backup
Warranty length
Expandability options

In bushfire-prone and storm-affected areas like the Blue Mountains and Hawkesbury, blackout protection is often a major reason homeowners choose battery storage.

What is a "thermal runaway" and why is it crucial to avoid cheap batteries?

Thermal runaway is a rare but serious battery failure where overheating causes a chain reaction that can result in fire. High-quality lithium-ion batteries include multiple safety layers such as temperature monitoring, battery management systems (BMS), and certified installation standards.

Cheap, non-compliant batteries may lack these safeguards. That’s why it’s critical to choose CEC-approved battery systems installed by licensed electricians who follow Australian safety regulations.

What are the ongoing maintenance and replacement costs for a solar battery?

Solar batteries require minimal maintenance. There are no moving parts, and most systems are remotely monitored via an app.

However:

Firmware updates may be required
Occasional system health checks are recommended
Replacement is typically required after 10–15 years

Most premium batteries include 10-year warranties with performance guarantees. Choosing a quality brand reduces long-term replacement risk and improves overall system reliability.

How long do solar batteries last?

Most modern lithium-ion solar batteries last between 10 and 15 years or 6,000–10,000 charge cycles, depending on usage and depth of discharge.

Battery lifespan is influenced by:

Usage patterns
Installation environment
Temperature exposure
System design

When properly installed and sized for your home, a battery system in Penrith or the Blue Mountains can deliver reliable performance for over a decade while significantly reducing electricity costs.

Partnering with Avery Solar & Electrical is Simple

Reach out to us

Get in touch, and we'll schedule a complimentary on-site assessment to evaluate your roof space, review your past energy bills, and discuss your solar panel and solar battery requirements.

Immediate savings

Our team will design and install the perfect solar and battery system tailored to your energy usage, allowing you to start saving money immediately.

Rest Easy

Solar batteries help balance energy demand and supply, reducing strain on the grid and promoting the use of renewable energy. This contributes to a more sustainable future with home solar battery storage and virtual power plant (VPP) participation.

GET A FREE QUOTE

Support local business with quality you can trust. We offer cost-effective solutions using the industry’s best solar and electrical products, mostly sourced from local retailers and trade suppliers—no cheap imports or knock-offs here!

Fill out the form, and we’ll give you a call.

To learn more or arrange the installation of a solar battery across the Blue Mountains, Penrith and Hawkesbury NSW, contact Avery Solar & Electrical on 02 4720 6300 or email info@averyse.com.au.