WiseWattage

Energy decisions, modelled with clarity and precision.

Powerful physics-based modelling for solar, storage, tariffs, and demand. Start with the free Site Analysis Tool (live today). Advanced optimisation tools and API access are coming soon to the platform.

Built for real-world energy decisions

WiseWattage delivers accurate, transparent, and high-resolution energy modelling tools for all stakeholders across the energy sector. Our models are grounded in rigorous physics and real-world data, giving you clear performance predictions, financial insights, and defensible analysis.

Whether you are evaluating a single site or planning at scale, WiseWattage can support your needs.

Our Products

Explore the WiseWattage platform: from tools available today to powerful features on the roadmap.

Live

Site Analysis Tool

Fast, transparent hourly modelling of Solar PV, battery storage, tariffs, and demand profiles. Get reliable performance predictions and financial insights you can trust.

Try it now

Wattsun & Homes

Intelligent system sizing for homes: combining detailed physics modelling with local installer networks to recommend optimal PV and battery capacity, expected savings, and payback.

Try it now
Coming soon

Reflex

Advanced dispatch and trading optimisation for complex energy assets, from off-grid microgrids to behind-the-meter systems and aggregated market participation.

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Coming soon

API Access

High-performance API access to WiseWattage’s proven energy models. Ideal for automation, custom workflows, large-scale analysis, and seamless integration into your applications.

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Ready to model your site?

Accurate physics based simulation. No installation required. Powered by our live modelling engine.