SolarCalc Solar & Energy Calculators
10 free calculators — results as you type, no sign-up

Free Solar & Energy Calculators

Get exact solar savings, payback timelines, and IRA tax credit figures for your home — instantly, in your browser. No account. No sales pitch. No data stored.

10
Free calculators
30%
Federal tax credit calculated
Zero
Data ever stored
$0
Cost, always
✓ No sign-up ✓ Instant calculations ✓ IRA tax credit built-in

Just the numbers — no sales calls, no data stored.

All calculators

10 Free Solar & Energy Calculators

Solar panel cost, EV charging, IRA credit, battery ROI and more — instant results, no sign-up.

Solar Panel Savings Calculator
Benchmark figures
📌 Pinned scenario

Explore all 10 tools above — or scroll down to see how SolarCalc works and find answers to common solar questions.

How it works

How SolarCalc Works — Instant, Private, Free

Every calculation runs inside your browser. Nothing leaves your device. Nothing is ever stored or shared.

1. Enter your numbers

Type in your electricity bill, system size, or state. Every field has sensible defaults so you can start in seconds.

2. Results appear instantly

No submit button. No loading spinner. Results update live as you adjust each field so you can model scenarios in real time.

3. Make a confident decision

Walk into any installer meeting knowing your real numbers — based on your bill, your state, and the actual IRA tax credit.

No account required No data stored or shared Runs entirely in your browser Free — always
FAQ

Solar & Energy Questions Answered

Straight answers to the questions homeowners ask before going solar or buying an EV.

Reference Data

Average Residential Electricity Rates by US State (2024)

Source: US Energy Information Administration (EIA), 2024 average residential rates. Rates vary by utility, season, and usage tier — use these as a baseline for your solar savings calculations.

State Rate (¢/kWh)

EIA Form EIA-861M, 2024 averages. Commercial and industrial rates differ. Rates change quarterly — verify with your utility bill. Reference Data

Use your state's rate in the Solar Panel Savings Calculator above for an accurate savings estimate.

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