Green Hydrogen from PV: Electrolyser Size and Cost
Wired White v3 Size a solar-fed electrolyser using hourly PV power and minimum-load limits. Estimate hydrogen output, curtailment and levelized cost with your own costs.
Solar- und Windenergie
Rechner für Solar- und Windenergie: Balkonkraftwerke, PV mit Heimspeicher, Inselanlagen, Sonnenstand und Ertrag von Windkraftanlagen. Neutrale Schätzungen, die ihre Regeln und Daten nennen.
Wired White v3 
PV Partial Shading Calculator: Bypass Diodes and Optimizers
Wired White v2 Sweep a shadow across solar cells and watch the P–V peaks change. Compare bypass diodes, global or local MPPT, and module optimizer power after conversion losses.
Solar Inverter Oversizing: DC/AC Ratio and Clipping Loss
Wired White v2 Compare solar DC/AC ratios, annual yield and added-panel payback. Separate MPPT current loss, inverter clipping and grid export curtailment, with an east–west option.
Solar Water Pump Size Calculator & Borehole Sizing
Wired White v2 Size a solar water pump from daily demand, borehole drawdown and pipe losses. Estimate PV kWp, pump horsepower, hourly flow and intake submergence.
PV String Sizing Calculator for Cold Mornings
Wired White v2 Check cold-morning PV string voltage against the inverter’s hard DC limit, hot MPPT voltage, current and DC/AC ratio. Animate a temperature-dependent I–V curve.
Solar Water Heater Sizing Calculator
Wired White v2 Size solar hot water collectors and storage from daily demand and monthly climate. Compare winter solar coverage, backup heat, certified efficiency curves and stagnation.
PV Single-Diode Model: Datasheet I-V Curves and MPPT
Wired White v3 Build a PV module I-V and P-V curve family from datasheet points. Scale a matched array and animate P&O or incremental conductance MPPT with voltage-step and sampling trade-offs.
Fridge, Freezer and Mini-Split Solar & Power Station Calculator
Wired White v2 Size battery backup and solar panels for a fridge, freezer or mini-split. Check compressor starting capacity and explore daily PV, cycling loads and battery charge.
Wind Turbine Energy Yield Calculator
Wired White v2 Estimate annual wind turbine energy and capacity factor using Weibull winds, hub-height shear, and a Cp model or measured power curve. Include availability and site losses.
Rechner für Sonnenstand und solare Bestrahlungsstärke
Wired White v3 Berechnen Sie Sonnenhöhe, Sonnenazimut und Bestrahlungsstärke bei wolkenlosem Himmel auf einem geneigten Modul. Animieren Sie die Sonnenbahn, vergleichen Sie Modulneigungen und schätzen Sie die Tagesbestrahlung ab.
Off-Grid Solar System Sizing Calculator
Wired White v2 Size an off-grid solar array, battery bank, MPPT or PWM controller and inverter from daily loads, sunless days and worst-month peak sun hours.
PV and Home Battery Payback Calculator
Wired White v2 Compare PV and battery payback with hourly energy balances, replacement costs and dated DE, NL, FR, PL, India, Pakistan and Brazil presets. Regional currencies and settlement rules stay explicit.
Balcony Solar Calculator: Yield, Battery and Payback
Wired White v2 Design a balcony power plant and compare solar alone with a battery. Estimate hourly yield, self-consumption, annual savings and payback for German or Swiss installations.