Off-Grid Solar Systems
25kW 3-Phase Commercial System
25kW three-phase system delivering strong AC output with 48kWh storage for workshops and machinery-heavy homes.,
after rebate
25kW 3-Phase Off-Grid Workshop Kit
This robust 25kW three-phase off-grid solar system delivers continuous AC power for homes and workshops with three-phase machinery. Features a 48 kWh battery bank for reliable performance, expandable design with optional diesel generator integration, and DC car charger support for electric vehicle owners. Shed roof installation available fully installed after rebate.
BEST FOR
Home Owner with Hobby Workshop, Small Manufacturing Business, Large Family with Electric Vehicle, Property owners with three-phase machinery
Summary
25kW three-phase off-grid system for homes or workshops with three-phase machinery: continuous 25kW AC, 48kWh battery, expandable to 50kW solar. Integrates with diesel generator and EV DC charger. Roof install 8-64k after rebates.
25kW 3-Phase Commercial Specs
Daily Demand Target
46.875
Inverter
Battery
SOLAR Arrary
25kW Three-Phase Off-Grid Solar System – 25kW
This robust 25kW three-phase off-grid solar system is designed to meet the needs of homes or workshops equipped with three-phase machinery. The system delivers a continuous 25 kW of AC power, ensuring reliable performance for your equipment. With a substantial 48 kWh battery bank, it guarantees a steady power supply.
The system is also highly versatile and expandable. You can integrate a diesel generator for additional power support if needed. Additionally, it supports the inclusion of a DC car charger, enhancing its functionality for electric vehicle owners.
Shed roof installation $58-$64 fully installed after rebate. Ground Mount Install can be quoted additionally if required.
System Information
25kW Inverter: Comes with a 10-year warranty.
Instant Recommendation & Estimate
If you need a second opinion or your setup is more complex, Talk to Fred About your System first.
That's exactly what we're here for. Tell us about your home, your site, and how you live - we'll recommend the system that fits.
REgional Victoria OFF-GRID INSTALLATION
100Up Designed for Off the Grid Living.Solar, Inverter and Battery Sized Right
Based in Ballarat, Fred and the team design and install off-grid solar systems across regional Victoria.
Designed for Full Occupancy
We size for the home and its realistic future occupancy, and how you plan to use power today & in the future.
Built to Work through Worse Case Winters
We oversize arrays for dark Ballarat winter weeks, capturing enough energy in short sun windows to recover batteries fast.
Battery to Get Through Low Solar Days
48-Hour Battery Autonomy. Battery storage is designed to carry the household through consecutive low-production days.
Redundancy Where Reliability Demands It
Where practical, dual inverters and distributed battery storage reduce single points of failure.
REgional Victoria OFF-GRID INSTALLATION
Off-Grid Solar, Installed Across Regional Victoria
Based in Ballarat, Fred and the team design and install off-grid solar systems across regional Victoria.
Ballarat
Bendigo
Geelong
Grampians
Castlemaine
Fred installed our solar. Very honest very reliable. He goes above and beyond. Tries his best to help. Does a great job. I recommend.
Dino Papa
Verify reviewQuotation & installation process. They have been unfailingly helpful and never failed to communicate pro-actively & effectively.
Andrew Webb
Verify reviewFred did a great job was extremely patient with the slow build Clean and tidy Explained what he was doing along the process
Darcy Joynson
Verify review
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100% OFF GRID
We Design, Supply & Install Off Grid Systems
Access to Government Rebates
Expand and Upgrade Ready
Remote Monitoring & Support
Complete System Documentation
Proven Components & Accredited Installers
Off‑grid systems installed by 100up 's trusted SAA‑accredited electricians using CEC‑approved products.
25kW 3-Phase Commercial
Daily Demand Target
46.875
Inverter
Battery
SOLAR Arrary
Pricing Subject to Site Inspection, Roof & Ground SURVEY
10+ Years Precision Installation
Ready to Plan your25kW 3-Phase Commercial System
Call us direct on 1300 489 152 or send a text to 0400 092 621 — real advice from real off-grid solar installers.
Local Ballarat Team
10 years in OFF GRID SOLAR