Grid-Tie Solar Explained | How It Works, Costs and Pros vs Cons
A grid-tie solar system connects your solar panels directly to the utility grid through a grid-tie inverter. There is no battery — excess solar…
Solar Basics
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The toolkit
Solar calculators that actually finish the job
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AC/DC Adapter & Converter Calculator
Free interactive solar tool.
Open →📋Appliance Wattage Database
Free interactive solar tool.
Open →🔋Battery Backup Calculator
Free interactive solar tool.
Open →🧰Battery Charge & Discharge Calculator — Free Tool
Free interactive solar tool.
Open →⚙️Electrical Unit Converter
Free interactive solar tool.
Open →💡Electricity Bill Calculator
Free interactive solar tool.
Open →🔁kVA to Watts Converter
Free interactive solar tool.
Open →🔌Load Shedding Battery Planner
Free interactive solar tool.
Open →📐Panel Output Calculator
Free interactive solar tool.
Open →🧰Solar Installation Cost Calculator
Free interactive solar tool.
Open →📉Solar Panel Degradation Calculator
Free interactive solar tool.
Open →🧰Solar Roof Space Calculator
Free interactive solar tool.
Open →💰Solar Savings Calculator
Free interactive solar tool.
Open →☀️Solar System Calculator
Free interactive solar tool.
Open →⛽Solar vs Generator Calculator
Free interactive solar tool.
Open →🧰Tools
Free interactive solar tool.
Open →🔧Wire Gauge Calculator
Free interactive solar tool.
Open → 🧰Browse all tools
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From the blog
Solar guides & comparisons
Solar Basics
What Happens If You Use a Higher Voltage Adapter? (And Is a Higher Amp Adapter Safe?)
A higher voltage adapter can damage or destroy your device. A higher amp adapter is perfectly safe. These are two completely different things, and…
Solar Basics
How Many Solar Panels Can I Fit on My Roof?
The number of solar panels that fit on your roof depends on four factors: the usable area after fire code setbacks, the panel size…
Appliance Wattage
How Many Watts Does a Water Pump Use? (By Type and HP)
A water pump’s wattage ranges from 250 watts for a small 0.5 HP surface pump to over 2,000 watts for a 2 HP submersible…
Buying Guides
Best Watt Meters in 2026: Measure What Your Appliances Really Use
Disclosure: This article contains affiliate links. If you buy through them, SolarEvaluator earns a small commission at no extra cost to you. We only…
Buying Guides
Best Battery Monitors for Solar in 2026 (Stop Guessing from Voltage)
Disclosure: This article contains affiliate links. If you buy through them, SolarEvaluator earns a small commission at no extra cost to you. We only…