Energy Efficiency ForumBenchmarking

California State Buildings

Date: September 27, 2006

Duane Larson, Sr. Manager Customer Energy Efficiency

Pacific Gas and Electric Company

2006 - 2008 Partnership.2006 - 2008 Partnership.

A Unique OpportunityA Unique Opportunity

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Utilities Support Green Building Initiative (GBI) Benchmarking

• Utilities and State reps

working on benchmarking,

include:

– Mike Langley – DGS

– Steve Prey – Caltrans

• Utilities offer Integrated

Demand Side

Management services

for identified buildings

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Benchmarking Benefits

• Consistent tool across utility service areas

• Monthly side-by-side comparisons of building energy intensity (kBTU/sq ft)

• Identification of candidates for energy efficiency, demand response or self

generation

• On-going tracking tool for agency’s building portfolio

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Benchmarking Process

• EPA’s ENERGY STAR®

Portfolio Manager to

determine GBI metrics

(kBTU/sq ft)

• 2003 – 2015: Automatic

upload of monthly meter

data

• Buildings served by multiple

utilities included

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Data Transfer & Storage

• Utilities need State’s authorization to release meter data to EPA’s ENERGY STAR® Portfolio Manager

• PG&E has confirmed that EPA database is secure for transmission and storage of confidential data

• PG&E has successfully uploaded test data using new Unix-based XML utility – first time EPA has allowed non-Windows based upload

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Next Steps

• Data release authorization for identified State buildings – In Progress

• Start the upload of monthly data from 2003-now for identified State buildings by 12/31/06

• Further automation and enhancements by State, Utilities and EPA in Q4-06 and 2007

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Planned Tool & Report Enhancements

• Show other units (kWh, therms, lb stm) with kBTU and cost displays

• Provide grouping by Facility, Dept, Agency, Utility and State

• Provide group totals b

• Provide graphs comparing energy use by building type, year or other factors

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Utility Benchmarking: California State Buildings

Questions?