90% Diesel-Free
Solar, storage and smart metering for a Pacific island site, planned as EPC.
90% Diesel-Free
A Pacific island site is running almost entirely on diesel generators, which meant high fuel and freight costs, constant generator maintenance and exposure to supply disruptions. ThinxEnergy designed a solar-plus-storage system that will supply around 90% of the site's electricity from the sun. The generators remain only as backup.
We will deliver the project as a full EPC contract together with our partners, from site assessment and system design through procurement, installation and commissioning. We will also install permanent energy and power-quality monitoring, so the client can see exactly how the system performs, every day.
How we will complete
From assessment to proven performance. Every stage will be delivered by one team, from measuring the existing diesel loads to verifying the result with metered data.
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Assess: We logged loads and generator output to understand real consumption, peak demand and power quality before designing anything.
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Design: We sized the PV array, battery and inverters for about 90% solar supply, and designed the generator integration and protection.
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Connect: SMA grid-forming inverters will create and stabilise the island grid, and a Janitza metering network records every major energy flow.
The Mission
To replace diesel with solar as the main energy source for a remote island site, without compromising reliability or power quality.
- Cut diesel dependency: make solar and battery storage the primary supply, with generators as backup only.
- Form a stable grid: use SMA grid-forming battery inverters to set voltage and frequency, so the system runs smoothly with no generator online.
- Measure everything: install Janitza energy and power-quality meters on generation, storage, generators and the main loads.
- Reduce operating costs: lower fuel, freight and generator maintenance costs, and extend generator life.
Final Results
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Around 90% diesel-free: solar and batteries supply most of the site's annual energy, and the generators start only during extended cloudy periods or peak demand.
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Stable, high-quality power: Janitza power-quality monitoring to EN 50160 and EN 61000-2-4 confirms that voltage, frequency and harmonics stay within limits.
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Verified savings: fuel savings and CO₂ reductions are measured, not estimated. [Insert litres of diesel saved per year / tonnes of CO₂ avoided once confirmed.]
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Full visibility: the client and our team see live and historical energy data, alarms and reports remotely, from New Zealand or on the island.
The result is a blueprint for island energy transition: proven technology, local delivery and measured outcomes.
Launched
2025 Q4
Platform
SMA - GridVis
Client
Utility - Pacific Islands
Check out our
Dashboards
GridVis is a comprehensive software solution for energy monitoring and management, which can be applied to various settings including off-grid systems. The software offers customizable dashboards that provide clear visualizations of energy data. These dashboards can be tailored to display relevant information for off-grid solar installations.
Featured Products
Power Quality Measurement according to EN50160 and EN61000-2-4
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