The RTF's Standard Information Workbook (SIW) houses assumptions and data that are used across multiple measures and standard protocols. The SIW serves as a common starting point for repeatedly accessed values.
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Standard Information Workbook Version History |
Upload Date |
Notes |
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| RTFStandardInformationWorkbook_5_0 | 03/11/2025 |
Approved at December 2024 RTF meeting. QA complete. The following tab has been renamed: The following tabs have been updated and approved: |
| 9/5/2024 | Approved at August 2024 RTF meeting. Added Conversion Factors. Updated Discount Rate, Retail Electricity Rates, Weighting Factors, Water Heater Marginal Efficiency (previously Water Heater Recovery Efficiency), and Incoming Water Temperatures. Archived Equipment Mark-ups, SF Insulation, MF Insulation, MH Insulation, SF Window, MF Window, MH Window, PTSC HPC, Air Source Heat Pump, and Lifetime Reference Table. |
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3/24/2023 |
Updated GDP deflators for 2019-2033 to most recent estimates and forecasts. Removed unused links to other files. |
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7/13/2022 |
Weighting Factors tab has been updated to reflect the newly adopted representative weather cities and HZ/CZ weightings |
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3/21/2022 |
Corrected GDP deflator formulas for determining the multipliers for converting to different base years |
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11/2/2021 |
Updated Prototype City Heating and Cooling Zone weightings and measure lifetime sheet to reflect current UES measures. |
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09/16/2021 |
Updated Weighting Factors sheet with new Prototype City Heating and Cooling Zone Weightings. |
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07/09/2021 |
Measure lifetime sheet updated to reflect current UES measures |
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03/10/2020 |
Updated the GDP deflator assumptions for consistency with Council Plan analysis. |
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06/03/2019 |
Updates approved at the March 2019 RTF Meeting. QC complete. |
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06/03/2019 |
During the latest update (v4.1) of cost estimates for SIW, two measures, insulation and heat pumps, required more complicated statistical modeling than Excel could conduct. For transparency, this document explains the methodology from these alternative analyses. |
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03/28/2019 |
Updates approved at the March 2019 RTF Meeting. Most tabs updated, except ASHP costs. Currently undergoing QC. |
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RTFStandardInformationWorkbook_v3_2 (4.5 MB Excel) |
02/21/2018 |
Measure lifetime sheet updated to reflect current UES measures. |
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08/09/2017 |
Updates approved at the May 2017 RTF Meeting. QC complete. |
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07/10/2017 |
Updates approved at the May 2017 RTF Meeting. Awaiting completion of QC. |
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RTFStandardInformaitonWorkbook_v2_6.xlsx (6 mb Excel) |
07/14/2016 |
Approved updates at the May 2017 RTF Meeting. |
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RTFStandardInformationWorkbook_v2_6 PENDING QC.xlsx(6 mb Excel) |
03/17/2015 |
QC Complete. |
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Standard Information Workbook_v2.2(6 mb Excel) |
07/30/2015 |
Updated commercial HVAC interaction factors. |
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05/20/14 |
Updated GDP Deflator & Res. lighting costs; Added Wood fuel credit, Res. HVAC interaction factors, EER values, & Res. water heater recovery efficiencies. |
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08/14/13 |
Updated as per QC review. Added more recent AWWA water survey results, labor markups, minor cell reference fixes, and updated lifetime reference table. |
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06/26/13 |
Adopted by the RTF on 06/18/13. Includes updates and tabs for HVAC interaction fators, weightings, and updated lifetime reference table. |
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Standard Information Workbook_v1.0 |
04/16/13 |
First adopted version. Includes Council deflator calculation. |