Get started with solar energy — rooftop solar assessment. Essential equipment, core techniques, and step-by-step guidance for complete beginners. Includes 3 step-by-step workflows.
beginners starting their first solar energy journey
Review starter guide for solar energy
Complete setup steps for Rooftop Solar Assessment
Practice core techniques from Off Grid Solar Design
Apply skills in the Solar Battery Backup workflow
Start with the closest real-world task, then use the mapped tools inside each guide.
Complete guide for rooftop solar assessment — step-by-step workflow, tools, checklist, and expert tips to get started.
Complete guide for off grid solar design — step-by-step workflow, tools, checklist, and expert tips to get started.
Complete guide for solar battery backup — step-by-step workflow, tools, checklist, and expert tips to get started.
Complete guide for solar panel maintenance — step-by-step workflow, tools, checklist, and expert tips to get started.
Complete guide for net metering setup — step-by-step workflow, tools, checklist, and expert tips to get started.
Complete guide for solar water heater install — step-by-step workflow, tools, checklist, and expert tips to get started.
Complete guide for ev solar charging setup — step-by-step workflow, tools, checklist, and expert tips to get started.
Complete guide for solar investment analysis — step-by-step workflow, tools, checklist, and expert tips to get started.
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Estimate instantaneous solar panel output from area, efficiency, and sun intensity. Free online solar energy calculator with instant, accurate results.
Find optimal fixed or seasonal solar panel tilt for latitude. Free online solar energy calculator with instant, accurate results.
Convert monthly solar resource to peak sun hours for sizing. Free online solar energy calculator with instant, accurate results.
Estimate peak sun hours and daily irradiance by US climate zone. Free online solar energy calculator with instant, accurate results.
Size complete off-grid solar array and battery from loads. Free online solar energy calculator with instant, accurate results.
Size off-grid battery bank amp-hour capacity from daily load. Free online solar energy calculator with instant, accurate results.
Size string inverter for solar array DC nameplate rating. Free online solar energy calculator with instant, accurate results.
Calculate usable energy and cycle life impact from depth of discharge. Free online solar energy calculator with instant, accurate results.
Size MPPT or PWM charge controller current for solar array. Free online solar energy calculator with instant, accurate results.
Calculate payback of professional panel cleaning vs soiling loss. Free online solar energy calculator with instant, accurate results.
Project solar panel output decline over system lifetime. Free online solar energy calculator with instant, accurate results.
Estimate annual savings from net metering credit on exported solar kWh. Free online solar energy calculator with instant, accurate results.
Calculate grid-tied solar break-even including O&M and rate escalation. Free online solar energy calculator with instant, accurate results.
Calculate panels per string for inverter MPPT voltage window. Free online solar energy calculator with instant, accurate results.
Compare estimated output and cost for microinverter vs string inverter systems. Free online solar energy calculator with instant, accurate results.
Size solar domestic hot water collector area for household demand. Free online solar energy calculator with instant, accurate results.
Estimate daily heat output from solar thermal collectors. Free online solar energy calculator with instant, accurate results.
Estimate wait time for hot water at fixture from water heater. Free online plumbing calculator with instant, accurate results.
Estimate solar array needed to charge an EV from daily driving. Free online solar energy calculator with instant, accurate results.
Size dedicated circuit for Level 2 EV charger installation. Free online electrical work calculator with instant, accurate results.
Calculate simple payback for rooftop solar from cost and bill savings. Free online solar energy calculator with instant, accurate results.
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