DEER 2011


DEER Database for Energy-Efficient Resources
Version 2011 4.01

For Use in the California IOU 2013-14 Energy Efficiency Planning


Regulatory Background

The 17 November 2011 ALJ ruling in R.09-11-014 entered the contents of the draft 2011 DEER version 4.00 update into the official record via its Exhibit B. On May 10th 2012 the CPUC voted out the "Decision Providing Guidance on 2013-2014 Energy Efficiency Porfolios and 2012 Marketing, Education and Outreach". The 2013-2014 Guidance Decision directed that Energy Division make a number of changes to the draft 2011 DEER version 4.0 and adopted DEER 2011 including the directed changes, for use by the California Investor Owned Utilities in developing their 2013-2014 Energy Efficiency Portfolio applications. 

The changes directed by the 2013-2014 Guidance Decision are detailed in Section 4.3 DEER 2011 Update, Several Ordering Paragraphs (see highlighted OP's 8-11, 14-15 and 44), and Attachment A. The 2011 DEER 4.01 available on this site is to fully reflect the changes to the the draft 2011 DEER version 4.00 ordered by the 2013-2014 Guidance Decision.

DEER2011 Update Documentation

DEER 2011 Update Report and the DEER2011 Update Report Appendices A report describing the DEER2011 value changes and additions relative to DEER2008  (PDF files posted 8 November 2011 - an update to reflect 2013-2014 Guidance Decision being finalized)

DEER 2011 Report Appendix A - Summary of changes to the measure content, modeling methods, and model input parameters (PDF file updated 16 May 2012

The documents below contain a description of changes and additions to the DEER2008 (version 2.05) that are contained in this DEER2011 (version 4.01).

Support documents for the above summary of content, methods and parameters document  Several Excel workbooks which show the data used in the DEER modeling activity. (a zip archive updated 16 May 2012)

DEER2011 Database format  A description of the data format Energy Division developed for use in standardized reporting which includes ex-ante data tables.  The DEER2011 measure and energy impacts data are compliant with this new data format. (a zip archive posted 8 November 2011)

Documentation errata and added information

The DEER2011 Update Net-To-Gross table compiled from the DEER2011 Update Report with changes directed by the 2013-2014 Guidance Decision. This table is also contained in the database available via READI. This table replaces the DEER 2008 2.05 NTG table. (Dated 16 May 2012 updated 23 May 2012 - one NTG value error fix in red font)

There were some mistakes identified in the above DEER 2011 Update Report and its appendices. An errata sheet is now available (posted 7 December 2011) The Appendix A update posted above supersedes the version in the November report and these errata. 

HVAC interactive effects (HVAC IE) are developed for internal load changing measures such as interior lighting and appliances and other plug loads measures. These effects can alter the "direct" electric and gas impacts for those measure due to resulting changes in heating and cooling HVAC system energy use. HVAC IE factors are available from the READI tool below but we have extracted those values for residential and non-residential lighting and make them available here in a workbook. (update posted 23 May 2012 - links on Summary tab fixed)

DEER electric savings load shapes here in an archive of workbooks for use in TRC and PAC cost-effectiveness calculations. These values are used in conjunction with the CPUC adopted avoided cost values and annual energy savings estimates for individual measures. Both the load shapes and the avoided costs are arrays of 8760 hourly values that when multiplied together provide a per kilowatt hour dollar valuation for an energy efficiency measure.  (posted 16 May 2012)

DEER2011 Database Tool to View and Download Data

All of the DEER2011 Unit Energy Savings (UES) values and measure data are stored in a PostgresQL database hosted by an Energy Division cloud based server which also hosts this website.  A database access tool has been developed that provides live access to the database.  The tool, READI (Remote Ex-Ante Database Interface) connects to the database over the internet utilizing a secure and encrypted connection over port 22 or a standard remote database connection over port 5432. The program allows users to view and download all of the data associated with the DEER2011 update. Use the following link to get the latest version of the program:

READI (Version 2.1.0) This zip file contains the program (READI.exe) and two "keys" that are used to make a secure connection to the database server.  Unzip the files into any directory on your computer and launch the READI program by double-clicking on the EXE file. View the "About" screen in the READI help section for notes on program and database updates (or click here for the READI "About" screen info).

Note: The Net-to-gross value changes and additions listed in the above update report are not yet viewable from READI. The NTG values will be viewable in a few days. Additionally, a table of installation rates and gross savings adjustments will be added for viewing via READI soon.

Technology and Measure Cost Data/Effective and Remaining Useful Life (EUL/RUL) Values

Cost data for the DEER2011 update have not changed.  The following links are from the 2008 DEER for 09/11 Planning web page:

Except for residential CFL lamps (as documented in the DEER2011 Update Documentation), EUL/RUL values for the DEER2011 update have not changed.  See the EUL/RUL table in the DEER2011 database (using READI) for a complete listing of EUL and RUL values.  The following links are from the 2008 DEER for 09/11 Planning web page:

EUL/RUL Values (Updated 10 October 2008)
EUL/RUL Summary Documentation  (Posted April 2008)


Questions about DEER database and READI: This email address is being protected from spambots. You need JavaScript enabled to view it.
Energy Savings Modeling: JJ Hirsch & Associates