20 Powerful Calculators. One Platform. From solar sizing to hydrogen costs, we have the math to back your energy transition.
Calculate ROI, payback period, and recommended system size for your home.
Simulate power outages and see how long your battery will last based on appliance usage.
Find the perfect BTU/Ton and calculate savings from Inverter technology.
Discover which devices are draining your wallet with this energy vampire detector.
Model your entire energy life: Solar production, Battery storage, and EV charging all in one place.
Predict your upcoming electricity bill based on meter readings and tiered rates.
Thermal Audit: Calculate the payback period and total annual savings from upgrading your home's insulation (walls/roof).
Model the payback of upgrading glazing (single→double, double→triple) using U-values, HDD/CDD, HVAC performance, and energy prices.
Estimate savings and payback from air sealing using blower door ACH50, building volume, HDD/CDD, HVAC performance, and energy prices.
Compare fuel and maintenance costs between electric and combustion vehicles.
Calculate how long it takes to charge your car on AC vs DC Fast Chargers.
Will your battery survive the trip? Plan your EV journey with confidence.
Calculate the cost and return on investment of installing a Wallbox at home.
Measure Scope 1 & 2 emissions to build your company's Net Zero strategy.
Convert $/tCO₂ into direct energy price uplift (€/kWh, €/m³, €/L). Compare fuels and estimate CBAM cost exposure for EU exports.
Calculate Energy Use Intensity (kWh/m²/year), compare against benchmarks by building type, and export a simple management PDF report.
Compare ICE vs partial EV vs full EV for fleets with CAPEX, OPEX, discounted TCO (NPV), payback, and CO2 reduction.
Avoid utility penalties by calculating the capacitor bank size needed for your factory.
Nameplate/Test + Field modes. Interval-based annual kWh losses, cost, CO2, breakdown (P0 vs Pk·x²), weighted efficiency, and CSV/PDF export.
Model waste heat capture + heat pump upgrade to district heating. Compare air vs liquid cooling source temperatures, COP, thermal output, net cashflow, LCOH, payback, Sankey + sensitivity, PDF export.
Estimate fuel, water, treatment, and CO2 savings from condensate return and boiler efficiency improvements—plus payback, charts, and PDF report export.
Compare IE2→IE3→IE4 upgrades and VFD speed control vs throttle/damper using duty-cycle modeling, charts, CO2, payback, NPV, and PDF export.
Compare baseline vs optimized setpoints & control strategies for chilled water plants (chillers, pumps, towers) with optional steam module—duty profiles, part-load, kW/ton, savings, CO2, and PDF export.
Interval-based (hourly/daily/monthly) Plant kW/ton analysis for full chiller plants (chillers + CHW/CW pumps + tower fans + aux). Computes energy-weighted annual kW/ton, cost, flags, and CSV/PDF export.
Optimize TOU tariffs + demand charges. Model peak shaving, load shifting, and demand ratchets with charts.
Upload an hourly load (or generate a synthetic curve), dispatch batteries with SoC/C-rate limits, and estimate demand-charge savings + TOU arbitrage, ROI, payback, and 10-year NPV.
See how much your warehouse or office can save by switching to LED lighting.
Compare long-term costs of VRF systems vs. traditional Chillers.
Estimate the energy potential from recycling industrial exhaust heat.
One-page factory audit: power factor correction + waste heat recovery + bill optimization in a single printable PDF report.
Visual industrial audit: hover/tap hotspots (boiler, compressor, stack, panel) to spot losses and open the right calculator or guide.
Convert organic waste (ton/day) into biogas (m³/day), electricity/heat (kWh), and estimate energy + CO₂ reductions with a printable report.
Enter m³/day + kWh/m³ to calculate annual kWh/year, compare against global benchmarks by size/type, and generate a VFD/biogas/solar roadmap with PDF/CSV export.
Proprietary score for grid stability, renewable penetration, and EV adoption across 50 countries for investment risk.
Track LCOE vs LCOS across markets. A data-style dashboard for cost trends and storage break-even.
Calculate Bitcoin mining profitability when powered by renewable energy.
Levelized Cost of Storage: Analyze the true unit cost of storing energy over the battery's lifespan (essential for investors).
Investor decision tool: choose market + timeline + priorities to score Solid-State vs Sodium-Ion (with LFP baseline). Verdict badge, radar chart, projected system cost, supply chain risk, PDF export.
Estimate the levelized cost of producing Hydrogen via electrolysis.
Get a personalized energy strategy based on your unique profile using AI.
Calculate the potential energy output of a wind turbine at your location.
Levelized Cost of Energy: Compare the lifetime cost of different energy sources.
Design a solar irrigation system. Calculate pump HP and array size.
Estimate energy and water savings from upgrading irrigation pumps, piping losses, schedules, and solar pumping options with payback.
Generate a farm load profile (cooling, ventilation, lighting, pumps) for Dairy/Poultry/Greenhouse and size PV + batteries with a printable report.
Calculate true operating cost of compressed air systems. Estimate leak losses, compressor efficiency, and annual energy savings potential.
Calculate optimal cable size and voltage drop for electrical installations. Supports single/three-phase AC and DC systems based on IEC/NEC.
Evaluate Combined Heat and Power viability. Compare separate grid+boiler vs on-site cogeneration with payback and CO₂ analysis.
Convert between kWh, BTU, MJ, therms, TOE, and more. Includes power, pressure, temperature, and CO₂ emission conversions.