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Revenue Allocation and Rate Design. 2 nd Workshop for Expected Parties to PG&E’s 2014 GRC Phase 2 Filing DRAFT. July 18 th , 2012. Workshop Agenda. Marginal Cost Model Progress Update. MCAC Model Work in progress to add: Entry form for replacement costs

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Revenue allocation and rate design

Revenue Allocation and Rate Design

2nd Workshop for Expected Parties to PG&E’s

2014 GRC Phase 2 Filing

DRAFT

July 18th , 2012



Marginal cost model progress update
Marginal Cost Model Progress Update

  • MCAC Model

    • Work in progress to add:

      • Entry form for replacement costs

      • RECC/Rental Method calculation option for capital components

    • Additional model cleanup is ongoing

  • MDCC Model

    • Excel files consolidated

    • Additional model formatting and cleanup is ongoing

  • Financial Loader Model

    • Model consolidated and formatted similar to MCAC

    • Additional model cleanup is ongoing

  • RCS Model

    • Project scoping underway to update for SmartMeter infrastructure


Customer Generation: Impact on Diversity

Is a study warranted to establish the extent to which customer generation creates diversity on PG&E’s distribution system?

  • Discussion.


Preview of Model Roadmap

RA/RD MODEL

OUTPUTS

INPUTS

  • Distribution Marginal Cost

  • Generation Marginal Cost

  • RA/RD Summaries

  • Full EPMC (100%)

  • Proposed (XX% Movement to EPMC)

Revenue Allocation

  • PCAFs

  • FLTs

  • TOU Shares

  • Recorded kWh Data

  • Billing Determinants

  • Present Rates

  • Revenue at Present

  • Rates

Present v. Proposed Rate Table

Rate Design

Bill Comparisons


Revenue allocation model progress update
Revenue Allocation Model Progress Update

  • Additional allocator based on CARE surcharge eligible sales built into pre-defined revenue allocators

  • Three additional fields for “user-defined” revenue components built into model

  • Ability to select from multiple allocator options for redistribution of capped revenue shortfalls/overages

  • Faster macros for balancing the model and for capping the percent change in revenue allocation

  • Calculation of floor value in capping mechanism corrected

  • Additional capping options under review


Rate design progress update
Rate Design Progress Update

  • Consistent data presentation (e.g., rate schedules always listed as column headers)

  • Calculations organized sequentially

  • Consistent color coding

  • Removal of redundant data within tabs

  • Clearly labeled units

  • Fewer tabs (e.g., revenue checks built into calculation tabs)



Rate design progress update cont1

• Subtract non-allocated & customer charge revenue

• Allocate by season & rate component

Rate Design Progress Update (Cont.)

Revenue Allocation

for Rate Design

Divide revenue by

billing determinants

according to design

parameters

Rate Calculations

Ensure rates recover revenue allocated to rate schedule

Revenue Check






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