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Tools

Tools Developed by the EFC at UNC

Resources and Other Tools


GA Stormwater Utility Dashboard
GA Stormwater Utility Dashboard Compare residential and non-residential stormwater fees charged in 2012 by GA stormwater utilities. Comparisons are made across subgroups of utilities with similar characteristics, such as location, EPA phase, rate structure, and customer income levels. Fees in terms of customer income are also provided. Fees from 2010 are included to allow for historic comparisons.

Flash file, 3 Mb. Adobe Flash Player Logo Get Adobe Flash Player.
User-friendly Capital Improvement Plan (CIP) Tool for Water & Wastewater Utilities - Version 2.1
EFC User-Friendly CIP Tool Enter in all capital projects and this tool will project your fund balance (revenues, expenses and reserves), and necessary rate increases for the next 20 years, and more! Data entry requirements are minimal. Intended for small systems.

How to use the CIP tool:
Start by entering basic information on a utility's rate structure, customer base and current fiscal year financials. Then enter the capital projects for the next 20 years, choose project start and end dates and costs, and select a financing method for each project (cash financed or debt financed). The tool will calculate annual rate increases necessary to cover capital reserve allocations and debt service over a 20-year planning period, while restricting your reserves from increasing perpetually. Results are displayed in tables and easy-to-read graphics.

MS Excel file, 805 Kb.
Water & Sewer Rates Analysis - Version 2.2
EFC Rates Analysis Model
  • Easy-to-use, simplified cash flow model
  • Input current rates, number of accounts, growth rate, average consumption, expenses
  • Adjust rates
  • Computes net profit/losses for 20 years
MS Excel file, 350 Kb.
Assessment of the Fixed vs. Variable Charges and Revenues for NC Utilities (version 1 - using January 2012 rates)
Fixed vs Variable EFC tool Select your utility's rates, or enter in your new rate structure's charges for 0 - 15,000 gallons/month for residential customers, and select the range of system sizes (number of accounts) you would like to benchmark your rates to. Five charts compare your rates and the ratio of your fixed (based, or "minimum") charges to the variable charges (those that are determined from the actual water volume use of the customer). The majority of your utility' expenses are fixed, but maximizing your base charges may lead to affordability issues since everyone pays the base charge. Balancing your fixed revenue and variable revenue is critical for your financial stability and customer service goals. This tool provides you information about your current (or proposed) rate structure's balance of those two revenues from residential customer charges, while benchmarking against other utilities of the same size.

MS Excel file, 966 Kb.
Dashboard for Capacity for Watershed Protection Investment (beta)
Watershed Protection Revenue Dashboard This interactive tool has been created for water utility managers and other water resource managers to use in considering options for generating local funds for watershed protection. The tool includes a "slider" that can be manipulated to show how much revenue can be generated by raising water rates. It also includes other options such as creating a "watershed fee" through property tax bills instead of the utility bill. Funds generated by these options can be used as a match for grants that require a cost-share. Alternatively, the funds can be used to amortize a loan, since the tool demonstrates to lenders how the funds will be generated for loan repayment.
Flash file, 1.2 Mb. Adobe Flash Player Logo Get Adobe Flash Player.
NC Stormwater Utility Dashboard
2012 NC Stormwater Utility Dashboard - Beta
2010 NC Stormwater Utility Dashboard
NC Stormwater Utility Dashboard Compare residential and non-residential stormwater fees charged in 2010 (and in 2012 - beta version) by all of the NC stormwater utilities. Comparisons are made across subgroups of utilities with similar characteristics, such as location, EPA phase, rate structure, and customer income levels. Fees in terms of customer income are also provided. Fees from 2006 are included to allow for historic comparisons.

Flash file, 2 Mb. Adobe Flash Player Logo Get Adobe Flash Player.
Watershed Protection Infography for Mills River, NC
Image of a fish
The EFC developed a multi-media informational infography to raise support for sustainable watershed protection funding for the Mills River Watershed Protection Project in western North Carolina. This work was conducted for the Southeastern Regional Water Quality Assistance Network, of which the EFC is a member.
Clean Energy Durham's Home Energy Share and Compare
Clean Energy Durham Home Energy Tool The EFC supported the development of an online tool that allows Durham, NC residents to track and compare the energy use of their home and vehicles. This tool is unique in that it enables people to cmpare energy use for a particular month of weather in a specific town.
Subsidized Funding Benefits Calculator
EFC Subsidized Funding Benefits Calculator This tool provides you with the ability to calculate and perform sensitivity tests around the cash flows and economic benefits of subsidized loans and grant funding. Subsidized interest rates, principal forgiveness and the structure of payments are all considered. Use this tool to determine whether the subsidized funding package that is being offered to you makes economic sense to accept.

Flash file, 710 Kb. Adobe Flash Player Logo Get Adobe Flash Player.
Dashboard for Using Capital Reserve Fund to Avoid Rate Shock
EFC Avoiding Rate Shock Tool Establishing capital reserves represents a balance between saving for future capital and spending for current needs. A large capital reserve can be a great tool for mitigating the impact of large capital projects on utility rates, but it is not always clear whether it is better to spend all cash reserves up front thereby reducing the amount of debt principle incurred, or spend only a portion and use it over time to pay debt service. If the ultimate goal is to spread out rate increases over time, the right strategy will depend on the size of the capital project and the terms of debt. Use this simple tool to determine which balance works best for your capital project. With this tool, a user can adjust the amount of debt incurred (whatever is not paid for out of reserves) and adjust rate increases over a five year period to make sure fund balances stay in the black.

Flash file, 330 Kb. Adobe Flash Player Logo Get Adobe Flash Player.
Customer Assistance Program Costing Tool
EFC Customer Assistance Program Tool Estimate the direct program costs of a customer assistance program. The tool is designed on the assumption that customers in need can access a fund a certain number of times per year, to help them pay utility bills when necessary. The user can adjust eligibility criteria and the amount of customer assistance per customer in a given year to determine direct program costs. It is built using Census information on communities in North Carolina, but could easily be replicated for other states.

MS Excel file, 1023 Kb.
Rates Dashboards for NC, GA, TX, VA and SC Water and Wastewater Utilities
EFC Rates Dashboard
  • Compare user rates for water and wastewater utilities
  • Analyze rates alongside key financial performance indicators, system characteristics, customer base socioeconomics and conservation price signaling
  • Compare user rates for various levels of consumption
Revolving Fund Model
EFC Revolving Fund Model
  • Planning a system upgrade or capital improvement project
  • Providing loans to individual system users
  • Borrowing at a low rate (i.e. SRF loan) and passing this advantage on to your users
  • Mixing different funding sources
MS Excel file, 93 Kb.
Loan Analysis Program
EFC Loan Analysis Program
  • Finance your next project with a loan
  • Determine the cost for each user
  • Compare different loan terms
As inputs, the model needs a loan amount, period, interest rate, and number of users (or connections). The output of the model is the annual cost for each user, for either declining or equal payments.

MS Excel file, 51 Kb.
Stormwater Model Ordinance for NC Local Governments
Stormwater Model Ordinance
  • Template for the basic requirements of Phase II
  • Commentary providing context for its various provisions
  • Analytical framework by which each local government may develop a unique and comprehensive program appropriate
Annual Car Costs and Carbon Calculator
EFC Car Cost and Carbon Calculator This tool can help you choose and analyze fleet vehicles based on cost and carbon output.

Flash file, 233 Kb. Adobe Flash Player Logo Get Adobe Flash Player.
Waste Origins for Private Landfills in North Carolina
Waste Origins for Private Landfills in NC This tool allows you to view the flow of trash to and the estimated capacity of private landfills in the state.(Click on blue stars to watch the transfer).

Flash file, 255 Kb. Adobe Flash Player Logo Get Adobe Flash Player.

Resources and Other Tools