Smarter Energy for Business Growth

Reduce operating costs, improve energy reliability, and future-proof your business with commercial solar systems built to perform.
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4.8

WHO WE HELP

Building Smarter Businesses with Solar

From agribusiness and utilities to transport, manufacturing, and retail, RPC designs and installs commercial solar systems that reduce costs and strengthen operational resilience. With nearly 40 years of experience, we deliver solar solutions for every industry and scale.

Agribusiness

Case Study: Maromac Nursery, New South Wales
Located in regional NSW, Maromac Nursery partnered with Rainbow Power Company to install a solar and battery system that powers irrigation, refrigeration, and production facilities. The project delivers reliable energy for daily operations and reduces ongoing costs associated with traditional electricity supply.
System Highlights
  • 10 kW solar array with SMA inverter technology
  • BYD lithium battery storage for extended energy supply
  • Optimised load management for irrigation and storage

Outcome

Reduced operating costs and dependable year-round energy for sustainable nursery production.

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Containerised Solar Systems

Case Study: Mansfield Estate Eco Retreat, Australia
Mansfield Estate required a robust and transportable off-grid system for its luxury eco-retreat. Rainbow Power Company delivered a containerised solar and battery installation with three days of autonomy, ensuring uninterrupted power and a quiet, sustainable guest experience.
System Highlights
  • 120 kW solar array with SMA inverter technology
  • 320 kWh BYD battery storage in a climate-controlled container
  • Remote monitoring for maintenance and performance tracking

Outcome

Reliable, high-capacity off-grid power supporting sustainable resort operations.

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Education

Case Study: Rainbow Ridge Steiner School, NSW
Rainbow Power Company installed a solar system at Rainbow Ridge Steiner School to reduce electricity costs and provide renewable power for classrooms and facilities. The project supports the school’s environmental education and long-term energy independence.
System Highlights
  • Roof-mounted solar array with SMA inverter system
  • Load-matched design for daytime school operations
  • Live monitoring for student sustainability learning

Outcome

Lower power bills and an educational example of renewable energy in action.

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Government

Case Study: Nimbin Community Centre, New South Wales
Rainbow Power Company designed and installed a hybrid solar and battery system for the Nimbin Community Centre, providing dependable energy for multiple tenants and shared services. The system improves efficiency and reduces operating costs for local government-supported facilities.
System Highlights
  • Hybrid solar and battery configuration with load management
  • Central monitoring for shared-use buildings
  • Scalable design to meet future community needs

Outcome

Stable, low-cost renewable power supporting essential community operations.

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Retail & Hospitality

Case Study: Mai Sunset Island Resort, Fiji
Located in the remote Yasawa Islands of Fiji, Mai Sunset Island Resort required a reliable and sustainable energy source to replace expensive diesel generators. Rainbow Power Company delivered a custom off-grid solar and battery system designed to perform in island conditions, managing everything from design and engineering to supply and ongoing support.
System Highlights
  • 18 kW solar array with advanced SMA inverter technology
  • 50 kWh BYD lithium battery storage for round-the-clock power
  • 24-hour renewable supply supporting a seamless guest experience

Outcome

Lower energy costs, zero fuel reliance, and a fully sustainable resort powered by the sun.

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Remote & Regional Business

Case Study: Matanivusi Beach Eco Resort, Fiji
Rainbow Power Company replaced diesel generation at Matanivusi Beach Eco Resort with a fully off-grid solar system providing 24-hour reliable power. The installation delivers quiet, clean energy that supports continuous operation in a remote coastal environment.
System Highlights
  • 35 kW solar array with SMA inverter configuration
  • 100 kWh lithium battery bank with generator integration
  • Engineered for durability in tropical coastal conditions

Outcome

Complete off-grid energy independence with reduced costs and emissions.

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Our Commercial Footprint

Decades of experience delivering commercial solar systems that power Australian industries

1000+

COMMERCIAL systems installed

Up to 80%

reduction in energy cosTS

40 years

serving businesses nationwide

3 years 

Typical system payback period
EXPERT GUIDANCE

Commercial Case Studies

Kiritimati Commercial Complex, Kiribati

Reliable solar power for a Pacific commercial hub On Kiritimati Island in the Republic of…

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Matanivusi Beach Eco Resort, Fiji

Replacing diesel with clean, reliable solar power Matanivusi Beach Eco Resort is a luxury coastal…

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Maromac Nursery, New South Wales

Sustainable solar power for regional agribusiness Located in regional New South Wales, Maromac Nursery partnered…

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Mansfield Estate Eco Retreat, Australia

Containerised solar power for sustainable tourism Set in the hinterland of Port Macquarie, New South…

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What our customers are saying

“We just had a solar array and battery installed. The team were professional and the installation was done efficiently and was perfect for the house. We recommend Rainbow Power Company for doing such a great job.”
Richard
Residential Solar and Battery
“My daughter recently organised the installation of solar panels on my house by Rainbow Power Company. I am extremely happy with the friendly, trustworthy and professional service they provided. I would thoroughly recommend RPC to anyone seeking advice about installing solar panels.”
Norman Robinson
Residential Solar
“Old lead acid batteries were replaced with lithium at our off-grid small home with EV charging. The contractual process went well and the installation and removal of the old expired equipment was professional and well supported by the technical team in Nimbin.”
Stuart Elliott
Off-Grid Battery Upgrade
“If you’re looking for the most experienced and knowledgeable solar installers in Australia, you can’t go past Rainbow Power Company. That’s why I chose them. The workmanship was excellent and the team were a pleasure to deal with.”
Greg
On-Grid Solar System
“Just had my off-grid solar system installed and couldn’t be happier. The team at Rainbow Power were professional, efficient and super helpful at every stage. Great workmanship, smooth process and excellent service from start to finish. Highly recommend.”
Graeme Bailey
Off-Grid Solar Installation
“Reached out to these guys about a solar setup for my camper van project and received so much insight from the team in the shop. It was much easier to make decisions after talking to the experts at RPC.”
Volodymyr Havdyda
Mobile Solar Setup
“Great service from start to finish. The team were friendly, helpful, and made the whole process simple. Couldn’t be happier with the installation and support.”
Sherrie Ford
Residential Solar
“Every person I spoke to before, during, and after installation was excellent to deal with. The crew were professional and went above and beyond — highly recommend Rainbow Power Company.”
Jackson Fraser
Solar Installation
SMART ENERGY SERVICES

Why Businesses Choose RPC

Businesses choose Rainbow Power for proven results, expert service, and solar systems that deliver real returns.

Trusted Experience

Nearly four decades designing and installing solar systems for Australian businesses.

Tailored Commercial Design

Systems engineered for your site, load, and long-term goals.

Proven ROI

Reliable savings with high-quality components that maximise energy efficiency.
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Frequently asked questions

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