Solar & Battery Calculator by City

⚡ Don't see your city? We size systems anywhere on Earth!

The BigEnergyCo calculator works for any city, town, or GPS coordinates worldwide using 5 years of hourly NASA satellite weather. The 66 benchmark cities below provide reference solar profiles and worked sizing examples.

⚡ Size Any Location Worldwide →

Pick your city for a free, honest sizing overview — then run the exact simulation with your coordinates and your own tariff. Every page is powered by the same deterministic engine simulating five years of hourly NASA satellite weather. No signup, nothing for sale.

New here? How the method works · Where payback is fastest (world map) · Guides: cut your bill, size off-grid, batteries

North America

Honolulu Los Angeles Phoenix Denver Chicago Miami New York Toronto Mexico City

Caribbean

San Juan Santo Domingo Havana Port-au-Prince

Central America

Guatemala City Panama City

South America

Bogota Lima Cusco Santiago Sao Paulo Buenos Aires Quito La Paz

Europe

London Paris Madrid Rome Berlin Warsaw Athens Oslo

Europe/Asia

Istanbul

Africa

Casablanca Cairo Accra Lagos Nairobi Johannesburg Dakar Addis Ababa Kinshasa Antananarivo

Middle East

Dubai Riyadh

South Asia

Karachi Delhi Mumbai Colombo Dhaka Kathmandu

Southeast Asia

Bangkok Ho Chi Minh City Jakarta Phnom Penh Manila Singapore

East Asia

Hong Kong Taipei Seoul Tokyo Beijing

Oceania

Suva Papeete Perth Sydney Auckland