System Advisor Model (SAM)

The System Advisor Model (SAM) is a free techno-economic software model that facilitates decision-making for people in the renewable energy industry. Cities may want to utilize this tool as a check against proposed power purchase agreement prices and to generally better understand potential costs of renewable energy systems given certain inputs. Microsoft Excel-based versions of the model are also available.

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Guide to Purchasing Green Power

This report provides an overview and key details on each of the following procurement methods: physical power purchase agreements, financial power purchase agreement contracts, green tariffs, and self-generation.

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