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The largest and most trusted name in rooftop solar systems in America

www.usasolardesigns.com

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US Wind Turbine Database

View the locations of wind turbines in the United States, corresponding wind project information, and turbine technical specifications.

US Solar Photovoltaic Database

New!The U.S. Large-Scale Solar Photovoltaic Database (USPVDB) is the largest and most comprehensive database to date on solar energy projects in the United States and includes the location, size, and other characteristics of large-scale solar projects.

Beyond Tailpipe Calculator

Estimate the total greenhouse gas emissions associated with driving an electric vehicle.

OurWorldofEnergy

eTools

OWOE eTools - Find fun and informative interactive tools to solve energy problems and learn about energy, including special OWOE designed tools and links to other tools available on the internet.

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DroneQuote

Calculate how much money you can save paying for electricity to drive an EV compared to gas with an ICE.

EV Savings Calculator

An electric car guide from PG&E to estimate and compare costs, savings, EV incentives, and more.

Choose Energy Marketplace

Navigate the complex energy marketplace to identify the best electricity plan for a specific location.

Solar Financing Tool

See a breakdown of the costs of solar panels and learn how to reduce installation costs by taking advantage of tax credits.

Wind and Solar Data Visualizations

A series visualizations that show such things as capacity, LCoE and PPA prices for utility scale solar and wind installations across the US.

eGallon Tool

eGallon: Compare the costs of driving with electricity in your state

UT Austin Energy Calculators

UT Austin has two tools to help better understand electricity cost in the US: LCOE interactive map and LCOE calculator