Discover your Ideal Solar System for your Energy needs!

This app is designed to help you understand how much power you need, calculate your energy consumption, find the ideal solar & battery system, and see your estimated costs and return on investment. Free. Instant results. No signup.

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How many panels do I need?

How much will this cost?

What will I save each year?

Why My Green Transition?

Think bigger than your current electricity bill. Unlike other companies that just read your past bills, we help you future-proof your home to maximize your investment. We don't just match today's usage, we help you plan for evolving energy needs, like adding an electric vehicle or switching to highly efficient heat pumps.

A preview of the solar energy results for New York

A preview of the guide for the right parts

A preview of the solar energy costs and return on investment

Calculate Costs & Return On Investment.

Our new Cost & ROI Calculator helps you see the full financial picture of going solar. Make a confident investment decision, whether your goal is immediate bill reduction or long-term profit.

Upfront Investment

Average prices based on your State/Country

×Hardware: $15,300

×Labor: $7,200

×Permits: $700

↻Battery: $0

Total Gross Cost:$23,200

×Incentives: -$6,960

Final Net Cost:$16,240

Solar ROI (25-Year Lifespan)

Annual Solar Savings:$3,213 / year

Payback Period:5.1 years

25 Years Net Profit:$64,085

Return on Investment:395%

Calculate →

Upfront Investment

Average prices based on your State/Country

×Hardware: $15,300

×Labor: $7,200

×Permits: $700

↻Battery: $0

Total Gross Cost:$23,200

×Incentives: -$6,960

Final Net Cost:$16,240

Solar ROI (25-Year Lifespan)

Annual Solar Savings:$3,213 / year

Payback Period:5.1 years

25 Years Net Profit:$64,085

Return on Investment:395%

Battery Calculator

Yearly Energy Consumption (kWh)

10050

Don't know your usage?

Calculate it here

What is your primary goal?

Backup Power (for Outages) Daily Cost-Saving

Calculates for a worst-case scenario using 100% of your daily energy use.

Days of Backup

1 day ▼

How many consecutive days with no sun do you want to be prepared for?

Battery Depth of Discharge (%)

90

Modern LFP batteries offer 90-98%, much higher than lead-acid batteries (~50%).

Recommended Battery Size

31

kWh

Based on an average daily use of 27.5 kWh.

Calculate Your Battery Needs.

Our new Battery Calculator helps you determine the battery size for your home. Plan for energy independence, whether your goal is backup for outages or daily cost savings.