These 'Tools' are designed to be both helpful and fun, though in some cases they may turn out to be more fun. Please note that the tools are simplified, and should not be relied upon as an accurate source of data, but rather as a guide.

1. Wind Power: The first tool is is to help you to make a first estimate of how much a wind turbine might generate for you. All you need to know are the mean annual wind speed for the turbine site and the blade diameter of the proposed machine. Perhaps you already have a wind turbine and would like to check your performance against the results of this spreadsheet? Instructions are found within the file.

Download file

2. Photovoltaic: This tool is on its way. It will be a simple tool to estimate the amount of space needed and electricity generated for different sized PV systems. It will incorporate a range of different types of PV modules and a description of how systems work.

3. Hydro Power: A simplified tool for assessing the potential of a hydro power scheme.