Central Valley Project Cost Allocation Study -- Irrigation and Municipal & Industrial (M&I) Benefits...
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Transcript of Central Valley Project Cost Allocation Study -- Irrigation and Municipal & Industrial (M&I) Benefits...
![Page 1: Central Valley Project Cost Allocation Study -- Irrigation and Municipal & Industrial (M&I) Benefits Public Meeting August 9, 2013.](https://reader035.fdocuments.net/reader035/viewer/2022070411/56649f445503460f94c65894/html5/thumbnails/1.jpg)
Central Valley ProjectCost Allocation Study --Irrigation and Municipal & Industrial (M&I) BenefitsPublic MeetingAugust 9, 2013
![Page 2: Central Valley Project Cost Allocation Study -- Irrigation and Municipal & Industrial (M&I) Benefits Public Meeting August 9, 2013.](https://reader035.fdocuments.net/reader035/viewer/2022070411/56649f445503460f94c65894/html5/thumbnails/2.jpg)
• Meeting Purpose– Project Status– Water Supply Benefit Analysis Approach (Irrigation and
M&I)– Next Steps
CVP-CAS (Central Valley Project Cost Allocation Study)
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• Background– Cost Allocation Study Purpose and Process
• http://www.usbr.gov/mp/cvp/cvp-cas/index.html
– Summary of 5/17/12 Meeting• Water Supply Modeling Analysis Approach
CVP-CAS (Central Valley Project Cost Allocation Study)
![Page 4: Central Valley Project Cost Allocation Study -- Irrigation and Municipal & Industrial (M&I) Benefits Public Meeting August 9, 2013.](https://reader035.fdocuments.net/reader035/viewer/2022070411/56649f445503460f94c65894/html5/thumbnails/4.jpg)
CVP-CAS Schedule
17
2010 2011 2012 2013 2014
Flood Control and Navigation Analyses
Power Analysis
Public Outreach
2015
2016
Hydrology Modeling, Cost Estimating, & Benefit Analyses
Methodology and Assumptions
Period of Analysis
Commissioner’s Decision Final Allocation
Write and Approve CAS Report
Allocation to Recreation
Recreation Analysis Power Benefits
Water Supply Analyses Water Supply Benefits
Facilities Inclusion List
Recreation Benefits
Water Quality Benefits Water Quality
Analysis Fish & Wildlife Analysis
Fish & Wildlife Benefits
Write and Approve Report
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CVP-CAS Schedule Legend
Methodology and Assumptions
Hydrology, Cost Estimating, Benefit Analysis
Write and Approve CAS Report
Public Outreach
Reclamation Final Decision
Leadership Team Concurrence Decision
Deliverable
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CVP-CAS Historic EV Summary
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• Three Water Supply Benefit Project Purposes:– Irrigation– Municipal & Industrial (M&I)
For each water supply project purpose, the general annual economic benefit estimation approach involves multiplying:
• Value per acre foot (AF) *• Annual Water Deliveries (AF)
Water Supply Benefit Analysis Approach
![Page 8: Central Valley Project Cost Allocation Study -- Irrigation and Municipal & Industrial (M&I) Benefits Public Meeting August 9, 2013.](https://reader035.fdocuments.net/reader035/viewer/2022070411/56649f445503460f94c65894/html5/thumbnails/8.jpg)
• CalSim Hydrology Modeling– BOR Hydrologist working with Central Valley Operations
Office– Includes Biological Opinions
• Economic Analysis– Irrigation Deliveries– M&I Deliveries
CalSim Input and Economic Analysis
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• Justifiable Expenditure:– One step of the Separable Cost-Remaining Benefits (SCRB)
cost allocation methodology. – Represents the maximum amount to be allocated to each
project purpose.– Calculated as the lesser of the multi-purpose project
benefits or single-purpose project costs for each project purpose.
Benefits (Future and Historic) and Justifiable Expenditure
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• If future benefits are greater than single-purpose costs, then the justifiable expenditure is equal to the single-purpose costs. Additional benefit analysis is not necessary.
Future Benefits and Justifiable Expenditure
Water Supply
Allocation Irrigation M&I
Future Benefits $80 $50
Historic Benefits --- ---
Estimated SPA Costs $60 $40
Justifiable Expenditure $60 $40
![Page 11: Central Valley Project Cost Allocation Study -- Irrigation and Municipal & Industrial (M&I) Benefits Public Meeting August 9, 2013.](https://reader035.fdocuments.net/reader035/viewer/2022070411/56649f445503460f94c65894/html5/thumbnails/11.jpg)
• If future benefits are less than single-purpose costs, historic benefits are estimated & added to future benefits before comparing to single-purpose costs to determine justifiable expenditure.
Future and Historic Benefits and Justifiable Expenditure
Water Supply
Allocation Irrigation M&I
Future Benefits $40 $30
Historic Benefits $10 $20
Total Benefits $50 $50
Estimated SPA Costs $60 $40
Justifiable Expenditure $50 $40
![Page 12: Central Valley Project Cost Allocation Study -- Irrigation and Municipal & Industrial (M&I) Benefits Public Meeting August 9, 2013.](https://reader035.fdocuments.net/reader035/viewer/2022070411/56649f445503460f94c65894/html5/thumbnails/12.jpg)
• Two Options for Estimating Future Irrigation Benefits:– Use SWAP Model to estimate future cropping patterns and
irrigation benefit values.– Use SWAP Model to estimate future cropping patterns and
Farm Budget Tool to estimate irrigation benefit values.
Irrigation Benefits Methodology
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Objective: Identify changes in net farm income generated by the CVP from a national perspective•Two approaches:
– State Water Agricultural Production Model (SWAP)– Reclamation Farm Budget Tool
Irrigation Benefit Methodology
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• Analytical Process:– Identify the change in crop acreage “with” and “without”
the CVP.– Use SWAP Model or Farm Budget Tool to measure the
changes in per-acre net farm income by crop related to the change in crop acreage.
– Transform the $/acre benefit value into $/AF
Estimating Irrigation Benefits
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• SWAP is a widely accepted basin-level agricultural impact model for the Central Valley of California.
• Purpose: to dynamically estimate the change in irrigated acreage for the Central Valley given a change in CVP water deliveries.
• Output: changes in irrigated acreage and net agricultural income.
SWAP Model
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• Reclamation’s Farm Budget Tool is a spreadsheet application that allows the user to develop and analyze farm-level crop enterprise budgets in accordance with Reclamation Policy.
• Purpose: to measure the change in net farm income by crop given a change in acreage.
• Output: net farm income for each crop included in the analysis.
Reclamation Farm Budget Tool
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• SWAP Interface with CALSIM• SWAP is well-accepted model• SWAP provides faster turnaround on analyses• SWAP used for future benefits only• Farm Budget Tool can be used for historic and
future benefits– However, future cropping patterns must be projected.
Irrigation Benefit Estimation Considerations
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Objective: Identify value of M&I water supply:•Two Approaches:
– Demand model to estimate the value of water for M&I purposes
– Cost based approaches (i.e., cost minimization and forgone use)
M&I Benefit Methodology
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The Economic and Environmental Principles and Guidelines for Water and Related Land Resources Implementation Studies (P&G’s) indicate the general measurement standard of value is willingness to pay (WTP).
M&I Benefit Methodology
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• The P&G’s also indicate that other approaches can be used to estimate benefits when market based measures of WTP are not possible.
• One alternative method includes cost based approaches.
M&I Benefit Methodology
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• M&I benefits as measured by consumers WTP can be estimated through the use of previously developed M&I demand models.
• M&I benefits using a cost based/forgone use approach can be estimated using models such as the Least Cost Planning Simulation Model (LCPSIM) and others.
M&I Benefit Methodology
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• Statistical models have previously been developed by BOR using data from 11 water agencies in California and Nevada.
• Additional models will be run to include only California data.
• An economic value per acre foot will be obtained from these models, representing an average benefit.
Demand Model Based Approach
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• If the demand model approach is not used, a least cost modeling approach (e.g. LCPSIM) would be used.
• This approach is based on management strategies that minimize costs given regional demand and supplies.– Shortage losses are measured in terms of forgone use or
opportunity cost.
Cost Based - Forgone Use Approach
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• The demand model approach provides estimates of WTP.
• The demand model approach based on M&I use provides a relatively high estimate of benefits compared to a more conservative value estimated using a cost of service or forgone use approach.
M&I Benefit Estimation Considerations
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Previous California surface storage planning studies have primarily used the cost based – forgone use (LCPSIM) approach.
M&I Benefit Estimation Considerations
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• Public Document to Address Comments and Responses
• Continued Refinement of Process and Schedule• Upcoming Public Meeting
– November 15, 2013
CVP-CAS Next Steps
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• http://www.usbr.gov/mp/cvp/cvp-cas/index.html• Brooke Miller-Levy, Project Manager
CVP-CAS