WECC Data Collection Manual January 17, 2014
Attachment B:
Existing and Planned Generation Reporting
Instructions
Reporting Instructions for Existing Generation and Generation
Additions Data
Data Reporting Process
Existing generation and generation additions worksheets are described in Attachment A of
this Manual. The data are updated by changing the information presented in the worksheets
for the BA. The changes should make the information current as of December 31 of
the actual year and, for BAs in the U.S., should be consistent with the data reported to the
DOE in Form EIA-860.
The existing generation {gen_exist} worksheet is a detailed list of all generating units in the
BA area with in-service dates up to the end of the actual year. Check the data provided for
accuracy and update as necessary, including updating actual retirement dates. If there are
units missing from the list, or new units need to be added, insert a new row, at the bottom of
the list, and provide the information requested. For units that were retired during the actual
year, report zero (0) capacity in the summer and winter capacity columns, update the
Retirement Date to reflect the actual retirement date, and update the Status Code to RE. If
a unit was rerated during the actual year, report the new total capacity in the summer and
winter columns. Units with a NERC class code of Existing-Inoperable (EI) are to be reported
with a summer and winter capacity of zero (0).
Units with a Status Code of OS are reported with a summer and winter capacity of zero (0).
A cold standby unit should be reported as SB, with a summer and winter capacity that
reflects the expected available capacity of the unit.
Data for each unit that came into service during the actual year are to be added, with a
Status Code of OP and a Commission date, to the {gen_exist} sheet and removed from the
{gen_add} sheet. Likewise, data for each unit that was retired during the actual year are to
be updated on the {gen_exist} sheet, with a Status Code of RE and a Retirement date, and
removed from the {gen_add} sheet.
The generation additions {gen_add} worksheet is a detailed list of the generating units in a
BA’s area that represent anticipated increases or decreases in generating capacity during
future years. This includes retirements and up-rates or derates to existing plants and new
generation construction. Update the provided list and add rows as necessary to provide
information for new additions and other changes. Planned retirements should be reported
as negative values in the summer and winter capacity column (equal to the capacity
reported on the {gen_exist} sheet), with the anticipated retirement date reported in the
Retirement Date column. Planned up-rates and derates should be reported as the
incremental change (a positive or negative value) that, when added to the existing capacity
reported on {gen_exist}, nets to the future planned capacity. The anticipated rerate date
should be reported in the Commission Date column.
Units that were reported on {gen_add} last year but are not being reported this year should
remain on the {gen_add} sheet (for one year only) with a hypen entered for the NERC Class
Code, and a WECC Class Code of 5. This process allows WECC staff to track the progress
of planned units.
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Comments should be included in the (Published and/or Non-published) comment fields as
appropriate. For example: for each inoperable unit state that the unit is in deactivated
shutdown, on cold standby, etc. For units that were retired or derated during the actual year,
or are planned to be retired or derated, indicate the reason for the retirement or derate (e.g.,
due to EPA regulations) in a comment field. Also, use the comment field to report capacity
commitment entities and their commitment shares of remote resources. Remote resources
are defined as resources that are physically located in one BA area but have capacity
commitments to an entity, or entities, located in another BA’s geographic footprint. In the
comment field, enter the name of the capacity commitment entities and their commitment
shares of each remote resource located in the BAs area that is reported on the {gen_exist}
or {gen_add} sheets.
The combustion turbine portions and steam portions of combined cycle units should be
reported separately. The rating of each should be equal to the rating that applies when the
units are operated in a combined cycle configuration. Therefore, the sum of the ratings of
each component should equal the rated output of the combined cycle unit. (An existing
steam or combustion turbine unit that is planned to be converted to a combined cycle unit
should not be reported as a combined cycle unit.)
Since WECC’s master database will be manually updated based on submitted worksheet
revisions, highlight, in green, all worksheet cells (not rows) where changes are made.
Updated worksheets should be submitted via email to dick@wecc.biz on or before the Data
Submission Due Date.
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