
A DIVISION OF SEC
Solar power and offgrid solutions for rural, remote and regional properties. From standalone power systems to grid-connected solar. Done right.
ONE COMPANY. THREE SPECIALIST DIVISIONS.
OUR CAPABILITIES
Specialist solar, offgrid and battery storage solutions delivered safely, on time and built to last.
Grid-connected solar installations for residential, commercial and rural properties.
Standalone power systems and battery storage for remote and offgrid properties.
Solar and offgrid solutions built for farms, stations and remote regional properties.
Solar-powered water pumping and irrigation systems for agricultural and rural use.
SAFETY FIRST
We prioritise safety on every project, every day.
PRECISION DELIVERY
On time, on budget and built to last.
EXPERIENCED TEAM
Skilled professionals with industry-leading knowledge.
REGIONAL FOCUS
Proudly servicing the South West and surrounding regions.
OUR SPECIALTY
Offgrid isn't an add-on for us — it's what we do best. From rural properties to large agricultural operations, we build standalone power systems that actually perform, year after year, in real regional conditions.
Every system starts with a proper load assessment and site evaluation. We size it right for your actual usage — not a one-size-fits-all guess.
Detailed engineering builds the package around your property: the right inverter, battery capacity, solar array and backup for true independence.
We install, commission and hand over a fully tested, turnkey offgrid system — backed by warranty and ongoing support.
DESIGN · ENGINEER · DELIVER · SUPPORT
IN-HOUSE CAPABILITY
We own and operate our installation equipment, including a Bobcat, excavator, trenching machine, truck Hiab crane, a flat deck 8m HR truck and elevated work platform. Alongside our electrical testing equipment and fleet of 4x4 service utes, we're equipped to take on projects across local and remote locations.
Having our own gear means fewer delays, reduced hire and subcontractor costs, and greater control over scheduling—keeping your project moving and costs predictable.
Our team brings practical experience and a commitment to quality to every project. We work safely, efficiently and on schedule, with a clear focus on getting the job done right the first time.
Competitive pricing — our gear, our crew, no subcontracting markup
Quality components — tier 1 panels, premium inverters and batteries
On-time delivery — equipment ready when the job starts
A decade of hands-on experience across solar and offgrid installations
HYBRID HIRE UNITS
Our Hybrid Hire Units combine generator, inverter, battery and solar PV in a single, transportable package. Quiet, efficient and self-sustaining — drop one on site and you've got reliable power without the noise, fuel burn or running costs of a standalone generator.
Generator
Inverter
Battery Storage
Solar PV
IDEAL FOR
Events & Parties
Camps
Site Accommodation
Site Amenities
Units come fully integrated and ready to run. Daily, weekly and long-term hire options available. Delivery and setup across the South West and Great Southern.
FIELD JOURNAL
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SYSTEM BUILDER
Tell us about your property and power needs. We'll design a solar or offgrid system tailored to your requirements and send you a quote.
Property type
Solar capacity
Battery storage
Your quote
DISPATCH
A division of SEC
Sykes Engineering Pty Ltd — 23 Ramsay Terrace, Donnybrook WA 6239
Ph: (08) 6244 1405
Tell us about your project and we'll get back to you within 24 hours.
© 2026 Southwest Solar & Offgrid — A division of SEC. All rights reserved.