PowerSize.tech mark
The virtual proving ground for electrified forces

Independent evidence for better platform decisions

Independent mission based benchmarking for government R&D and procurement teams. Combustion, series and parallel hybrid, and electric architectures compared across mobile and stationary platforms on fuel consumption, payload, SWaP-C and total lifetime cost, including the power and energy demands of EW and other mission systems.

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Public partners & collaborators
Ministry of DefenceFeringGovernment of CanadaDrive System DesignDstlFlight FrameMinistry of DefenceFeringGovernment of CanadaDrive System DesignDstlFlight Frame
More options. Harder decisions.

A common basis for comparing defence platforms.

Electrified warfare is widening the market while adding more complexity across powertrains, onboard power, mission systems and operating cost. The Best-in-Class catalogue benchmarks each platform class against a defined mission, with every report paired with its own interactive interface.

Platform · MissionAnswerAccess
The software behind the reports

The same solver, in your hands

Every benchmark and tailored study is produced in these four tools. Programme teams can also run them directly, on their own platforms and mission profiles.

Create
Compare
Configurator Configurator tool screenshot

Energy & Power Configuration

Architecture and component trade studies built for SWaP-C: Size, Weight, Power, and Cost.

Optimiser Optimiser tool screenshot

Powertrain Optimiser

Deep physics powertrain sizing for mobility platforms, right sized to vehicle requirements.

Planning Planning tool screenshot

Mission Planning

Compare platforms to find the best mission outcome and TCO, across silent watch, mobility, export power, and payload.

Microgrids Microgrids tool screenshot

Microgrids

Optimise and plan the full energy and power architecture of a Forward Operating Base, across mixed sources and loads.

The engineering behind the decision

Mission performance is a system.

A platform does not have independent numbers for range, payload, power and cost. They are connected.

Add mission equipment and electrical demand rises. Increase power generation and fuel use changes. Add battery capacity and weight increases. Increase weight and propulsion demand rises. Change the route, speed or environment and the balance moves again.

SWaP-C is a physics spiral: Size, Weight, Power and Cost, each pulling on the others.

Size

What has to fit inside the platform.

Weight

What the platform must carry before useful payload is added.

Power

What propulsion and mission systems demand throughout the mission.

Cost

What the architecture consumes, requires and costs to operate.

Mission
Load
Power
Losses
Energy
Size + Weight
Performance
Cost

PowerSize solves that chain across the complete mission. This allows conventional, hybrid and electric architectures to be compared on the same basis.

Selected technical papers
TitleVenueDownload
High-Energy Laser Vehicles: Application to Foxhound and Boxer GVSETS PDF ↗
Mission Profiling for Hybrid-Electric Tactical Wheeled Vehicles MDPI PDF ↗
Heavy Logistics Vehicle Feasibility Report National Research Council of Canada PDF ↗
Optimising Custom Hybrid Solutions for Low-Volume Specialist Equipment SAE WCX PDF ↗
Rapid Physics-Based Synthesis of Diesel Engine Models for Hybrid Powertrain MDPI PDF ↗
Rapid Evaluation of Off-Highway Powertrain Architectures MDPI PDF ↗

Technical foundation sourced from peer-reviewed publications, 2023–2025.

The obvious question

Why an LLM cannot do this

A language model predicts plausible text. It does not solve equations. Powertrain behaviour is coupled physics: engine efficiency maps, battery state of charge, thermal limits, drag, rolling resistance and the duty cycle the platform actually runs, integrated over the route step by step. Ask a language model for a vehicle's fuel consumption over a mission and it returns a confident number that looks right and is not.

Benchmarking lives or dies on that accuracy. A fuel estimate that is 50% off is the difference between a platform that completes its mission and one that strands a crew short of the objective. PowerSize runs a validated physics solver: the numbers come from simulation measured against real-world data, not from a model's best impression of an answer. AI helps you interrogate the analysis. The solver produces the evidence.

Who we are

The people behind Power Size Tech

We are a consortium of European and U.S. powertrain and defence specialists, serving defence acquisition authorities and prime contractors. Sizing the power and energy behind the electrified force, across platforms, microgrids and mobile energy systems.

Wiktor Dotter

Wiktor Dotter

CEO & Commercial Lead

Background in strategy and business planning at multinational mobility manufacturers.

Bence Falvy

Bence Falvy

CTO & Powertrain Systems

Electrified powertrain systems engineer across hybrid and battery-electric systems. Built the screening methodology behind the reports and its verification.

James de St John-Pryce

James de St John-Pryce

Military Advisor

Military Requirements and Land Vehicles. Lt Col (ret'd), British Army. Commanded the Armoured Trials and Development Unit 2021–2024.

Nathan Rues

Nathan Rues

Engineering & Solutions Lead

Combustion and transmission engineer by background. Government defence programmes across mobile and stationary platforms, including hydrogen energy systems.

Get in touch

Request information

Tell us which decision you are facing — a report to purchase or tailor, a procurement comparison, a platform to validate, a concept to check for feasibility — and the mission it has to serve.

Email contact@powersize.tech
Web powersize.tech
Validated design space: all power and energy options screened against mission requirements
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