Free renter-first tools
Run the numbers before you buy.
Estimate the savings, check your space, understand legal questions, and compare options. These tools are educational estimates, not electrical, legal, or financial advice.
Savings Calculator
Estimate monthly and annual savings from your electricity rate and system size.
Payback Calculator
Estimate how long a portable solar investment may take to pay for itself.
Balcony Estimator
Check how orientation, sun hours, and panel wattage affect useful output.
Solar Kit Finder
Match your budget, space, and goals with a practical renter solar setup.
Legal Checker
Build a checklist of lease, landlord, utility, and local-rule questions.
Community Solar Finder
Explore subscription solar when you cannot install equipment where you rent.