Energy

EnergySim

Simulate resources, generation, storage, demand and the economic viability of energy systems.

Who it's for: Engineering, renewables, consultancy, universities, developers and people interested in home energy.

Open: Solar and wind simulator See the tools

What you can do today

Free and with no account. Save your projects, compare them and download the PDF report.

Solar and wind simulatorMonthly output from PVGIS (solar) or NASA POWER (wind) anywhere on the map, with NPV, IRR and payback.You needA point on the map, capacity and costs.You getMonthly output, financials and sensitivity.
Levelised cost of energy (LCOE)Cost per MWh over the lifetime with investment, operation, degradation and discount rate.You needInvestment, costs, output and lifetime.You getLCOE and breakdown.
Appliance energy usekWh and cost per month and year for each appliance at your bill's price.You needPower, hours of use and electricity price.You getConsumption and cost per appliance.

Live · real data

Energy prices

Oil, gas and coal with World Bank data: the benchmark for what the energy you produce or consume is worth.

World Bank (Pink Sheet), monthly averages in dollars. Latest month published: September 2026.

Reading the source…· The source publishes monthly (2nd business day)

What you can do today and what is coming

Each level adds capacity, depth and automation. Click any locked feature to see what it will do.

Basic

Individuals and small businesses

Complete work with your data and real data: projects in your browser, reports and downloads.

Pro· soon

People starting a business and less specialised companies

Cloud projects, more capacity and reports without watermark.

Pro· soon
Resource Potential Engine
Process solar, wind, wave or other resource series when suitable datasets and metadata exist.
Coming in the Pro level · Coming soon
Cloud projects, more capacity and reports without watermark.
Designed for: People starting a business and less specialised companies
Only the Basic level exists today, and it is free. The other levels can't be bought yet and have no published price; this is the current plan and may change.
Compare the levels
Pro· soon
Energy Report
A report with time series, assumptions, losses, uncertainty, costs and limitations.
Coming in the Pro level · Coming soon
Cloud projects, more capacity and reports without watermark.
Designed for: People starting a business and less specialised companies
Only the Basic level exists today, and it is free. The other levels can't be bought yet and have no published price; this is the current plan and may change.
Compare the levels
Pro· soon
Several saved sites
Compare locations and set-ups in one project.
Coming in the Pro level · Coming soon
Cloud projects, more capacity and reports without watermark.
Designed for: People starting a business and less specialised companies
Only the Basic level exists today, and it is free. The other levels can't be bought yet and have no published price; this is the current plan and may change.
Compare the levels

Advanced· soon

Startups and growing companies

Each module's professional engines, alerts, scheduled updates and reports with methodology.

Advanced· soon
Technology Comparison Lab
Compare technologies, hourly profile, capacity, constraints and costs under consistent assumptions.
Coming in the Advanced level · Coming soon
Each module's professional engines, alerts, scheduled updates and reports with methodology.
Designed for: Startups and growing companies
Only the Basic level exists today, and it is free. The other levels can't be bought yet and have no published price; this is the current plan and may change.
Compare the levels
Advanced· soon
Demand Profile Builder
Build demand profiles by hour, day and season from real data or clearly labelled assumptions.
Coming in the Advanced level · Coming soon
Each module's professional engines, alerts, scheduled updates and reports with methodology.
Designed for: Startups and growing companies
Only the Basic level exists today, and it is free. The other levels can't be bought yet and have no published price; this is the current plan and may change.
Compare the levels
Advanced· soon
Environmental Constraints Map
Overlay the resource with territorial, environmental and infrastructure constraints.
Coming in the Advanced level · Coming soon
Each module's professional engines, alerts, scheduled updates and reports with methodology.
Designed for: Startups and growing companies
Only the Basic level exists today, and it is free. The other levels can't be bought yet and have no published price; this is the current plan and may change.
Compare the levels
Advanced· soon
Hourly profile and self-consumption with your load curve
Upload your consumption and calculate surplus, savings and battery.
Coming in the Advanced level · Coming soon
Each module's professional engines, alerts, scheduled updates and reports with methodology.
Designed for: Startups and growing companies
Only the Basic level exists today, and it is free. The other levels can't be bought yet and have no published price; this is the current plan and may change.
Compare the levels

Master· soon

Large companies, specialist consultancies and universities

Everything without practical limits: optimisation, Monte Carlo simulation, AI with your projects' context, API and licensed data.

Master· soon
Energy Mix Optimizer
Optimise the mix of technologies and storage for demand, cost, emissions or resilience.
Coming in the Master level · Coming soon
Everything without practical limits: optimisation, Monte Carlo simulation, AI with your projects' context, API and licensed data.
Designed for: Large companies, specialist consultancies and universities
Only the Basic level exists today, and it is free. The other levels can't be bought yet and have no published price; this is the current plan and may change.
Compare the levels
Master· soon
Grid & Storage Scenario Lab
Model storage, charge and discharge, power limits, efficiency, curtailment and the balance over time.
Coming in the Master level · Coming soon
Everything without practical limits: optimisation, Monte Carlo simulation, AI with your projects' context, API and licensed data.
Designed for: Large companies, specialist consultancies and universities
Only the Basic level exists today, and it is free. The other levels can't be bought yet and have no published price; this is the current plan and may change.
Compare the levels
Master· soon
Mix and storage optimisation
The lowest-cost combination of technologies and battery for your demand.
Coming in the Master level · Coming soon
Everything without practical limits: optimisation, Monte Carlo simulation, AI with your projects' context, API and licensed data.
Designed for: Large companies, specialist consultancies and universities
Only the Basic level exists today, and it is free. The other levels can't be bought yet and have no published price; this is the current plan and may change.
Compare the levels

Enterprise· soon Team workspaces, roles, audit, integrations and a tailored service agreement.Compare the levels →

Only the Basic level exists today, and it is free. The other levels can't be bought yet and have no published price; this is the current plan and may change.

Data sources it uses

Limits

The tools calculate with the data you enter or with public sources cited with their date and licence. Results are indicative and are not a substitute for professional advice.