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Use this tool to help set water and/or wastewater rates next year by projecting the utility’s expenses, revenues from rates, and fund balance for the next few years.
Uniform (“flat”) and block rate structures for up to 12 rate structures can be assessed. Data inputs are minimal, and the tool has been updated to offer several new features and improvements to make it easier to test scenarios and help determine whether the utility needs to adjust rates in order to achieve financial sufficiency. This tool is designed specifically for small water/wastewater systems and should be used annually. The tool is free to download and use.
How to use the tool
Follow the built-in instructions to input the utility’s current rates and rate structure details, proposed new rates and rate structures, number of accounts, growth rate, water consumption (by block) and basic utility expenses. The model will then project the expected net profit/loss each year for the next few years under current and proposed rates, as well as the end-of-year fund balance for the next several years. Input data in the dark green cells. Results are presented in easy-to-read graphs and table showing annual revenues, expenses and fund balance projections.
On February 26, 2014, we presented a national webinar demonstrating how to use version 2.6 of this tool. Although the format and some of the inputs and outputs of the tool have changed since that version, the demonstration on the basic functions of the tool are still relevant. Watch the video for a visual demonstration on the basics of using the tool, if not the exact instructions.
What’s new in version 2.8.7 (May 2018)?
- New chart that shows revenues from both fixed and volumetric charges
- Corrected an error with rate calculations in future years for Rate Structure 8
Download the Spanish language version of the tool (version 2.8.2).