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As you are doing your information gathering, listed below are energy production calculators and software resources we have come across that can be quite helpful.

PVWATTS Calculator - Solar Electric
Researchers at the National Renewable Energy Laboratory developed PVWATTS to permit non-experts to quickly obtain performance estimates for grid-connected solar electric systems. It is available for for locations within the United States and its territories.
     PVWATTS Calculator

Renewable Energy Technology Screening Tool
Renewable Energy Technology Screening tool (RETScreen®) was developed by the Canadian Department of Natural Resources (NRCan) at a cost of over $3 Million as part of their effort to speed the deployment of renewable energy capacity. Many of the 20,000 RETScreen users worldwide use RETScreen® early in a building's design to help rapidly assess the viability of any of 8 different types of renewable energy.
     RETScreen

Renewable2English
Renewable2English software was developed by Productive Energy Solutions, LLC of Madison, WI to help users predict the performance of renewable energy systems. The software development was funded in part by the Focus on Energy Renewable Energy pilot program. The software translates the metric results from the popular RETScreen® software to English (imperial) units. Renewable2English software is available free to residents and businesses that serve customers in the 23 county pilot area. Others may purchase the software from Productive Energy Solutions.
     Renewable2English

Wood Fueled Boiler Financial Feasibility
Wood Fueled Boiler Financial Feasibility is a spreadsheet program designed for easy use on a personal computer. This program provides a starting point for interested parties to perform financial feasibility analysis of a steam boiler system for space heating or process heat. By allowing users to input the conditions applicable to their current or proposed fuel systems, "Wood Fueled Boiler Financial Feasibility" provides an opportunity to compare wood or bark fuel as alternates to the existing fuel.
     Wood Fueled Boiler Financial Feasibility

Wind Turbine Output Estimator
     Wind Turbine Output Estimator