Frame

Meeting Summary - 06/06/24 ROS Meeting

Grid Monitor Staff Writer
06/06/2024

3 - Meeting Minutes - Katie Rich 3.1 - May 2 - Katie Rich <ul> <li style="font-weight: 400;" aria-level="1">May 2, 2024 ROS Meeting Minutes - To approve the May 2, 2024 ROS meeting minutes as submitted</li> <li style="font-weight: 400;" aria-level="1">Motion carries on combo ballot.</li> </ul> <a href="/sharing/?token=66108940-4dca-4431-8556-bab12975958b" target="_blank" rel="noopener">4</a> - TAC Update - Katie Rich <ul> <li style="font-weight: 400;" aria-level="1">Discussion tomorrow morning will have to result in a vote on the language, going to the board on the 17th and 18th</li> <li style="font-weight: 400;" aria-level="1">ROS: NPRR1198 and associated PGRR and NOGRR were adopted</li> </ul> 5 - ERCOT Reports - Alex Lee <a href="/sharing/?token=7801515a-61c3-4a9c-9085-4e751525e95c" target="_blank" rel="noopener">5.1</a> - Operations Report - Alex Lee <ul> <li style="font-weight: 400;" aria-level="1">Peak demand for April was just shy of 64GW</li> <li style="font-weight: 400;" aria-level="1">Three frequency events occurred due to generator unit trips</li> <li style="font-weight: 400;" aria-level="1">ECRS deployed twice, both due to net load capability, not unit trips</li> <li style="font-weight: 400;" aria-level="1">No instances of RRS deployment</li> <li style="font-weight: 400;" aria-level="1">North Vandenberg had the most congestions, 27 days</li> <li style="font-weight: 400;" aria-level="1">Request to add generation remaining capacity for South Texas IROL for next month's report</li> </ul> <a href="/sharing/?token=24020335-d497-44b7-869e-6d14c92923d4" target="_blank" rel="noopener">5.2</a> - System Planning Report - Ping Yan <ul> <li style="font-weight: 400;" aria-level="1">Robert Golan (ERCOT) presented the System Planning Report in place of Ping Yan.</li> <li style="font-weight: 400;" aria-level="1">Updated values for transmission improvements were reviewed and endorsed.</li> <li style="font-weight: 400;" aria-level="1">ERCOT continues to work on the permian basin reliability plan.</li> <li style="font-weight: 400;" aria-level="1">Questions were raised about the status of generation hubs, and about breaking down the 50GW of new load by weather zones, both to be addressed by Ping and her group in developing the RTP cases.</li> <li style="font-weight: 400;" aria-level="1">Timeline for posting RTP cases is not finalized, but it is expected before starting the analysis.</li> <li style="font-weight: 400;" aria-level="1">The RPG meeting is scheduled for next Tuesday for those interested in these topics.</li> </ul> <a href="/sharing/?token=717a1d6a-3ab2-488c-b0f0-b72d8e1a914c" target="_blank" rel="noopener">5.3</a> - GTC Update - Yunzhi Cheng <ul> <li style="font-weight: 400;" aria-level="1">2024 Q2 QSA identified the stability constraints due to a new generation resource connected to 138-kV grid at Kinney and Uvalde county.</li> <li style="font-weight: 400;" aria-level="1">A follow-up GTC study confirmed the need to establish the Uvalde GTC to address the stability constraints under some specific N-1-1 conditions</li> <li style="font-weight: 400;" aria-level="1">This GTC is not IROL</li> <li style="font-weight: 400;" aria-level="1">The GTC became effective 06/05/24. The GTC interface and associated GTLs are available in the posted GTC Methodology.</li> </ul> 6 - Revision Request - Katie Rich <a href="/sharing/?token=600a81dd-175a-410e-bb80-4dce5708a4ae" target="_blank" rel="noopener">6.1</a> - NPRR1217 - Katie Rich <ul> <li style="font-weight: 400;" aria-level="1">Blake Holt (LCRA) gave an update on NPRR1217 at the TWG meeting on May 2.</li> <li style="font-weight: 400;" aria-level="1">Discussed concerns with ERCOT and feel well positioned to respond to the XML instructions, but think an ICCP approach might be more efficient.</li> <li style="font-weight: 400;" aria-level="1">LCRA was the only entity with concerns at the TWG meetings and believes NPRR1217 doesn't need to be tabled anymore.</li> <li style="font-weight: 400;" aria-level="1">Mark Patterson, manager of demand integration, clarified that XML is required for QSE providing ERS and representing load resources.</li> <li style="font-weight: 400;" aria-level="1">Control room doesn't have an alternate recommendation for redundancy</li> <li style="font-weight: 400;" aria-level="1">Motion to endorse NPRR1217 as submitted carries unamiously on combo ballot.</li> </ul> 7 - ROS Revision - Katie Rich <a href="/sharing/?token=1d6695f6-3540-4ad0-9dff-e1204920045f" target="_blank" rel="noopener">7.2</a> - PGRR106 - Katie Rich <ul> <li style="font-weight: 400;" aria-level="1">No project required</li> <li style="font-weight: 400;" aria-level="1">PGRR106 - To endorse and forward to TAC the 5/2/24 ROS Report and the 4/19/23 Impact Analysis for PGRR106</li> <li style="font-weight: 400;" aria-level="1">Motion passes unamiously.</li> </ul> <a href="/sharing/?token=e6b8661a-bdaf-4888-a1b7-e9048a6f8244" target="_blank" rel="noopener">9</a> - OWG - Rickey Floyd <ul> <li style="font-weight: 400;" aria-level="1">Peak for April was 63,997 MW on April 30, HE 1800 April 2023 Peak 60,995</li> <li style="font-weight: 400;" aria-level="1">All-time renewable peak for April was 60,995 on April 5</li> <li style="font-weight: 400;" aria-level="1">April All Time Renewable - 37,806 MW on 04/05</li> <li style="font-weight: 400;" aria-level="1">New all-time wind penetration of 69.15% on April 10</li> <li style="font-weight: 400;" aria-level="1">Texas RE provided an update, including a summer outlook meeting, Texas IBR registration, and scheduled reliability workshops</li> <li style="font-weight: 400;" aria-level="1">NERC alerts from April on the 6GHz interference were acknowledged by 99% of participants in Texas</li> </ul> <a href="/sharing/?token=0f993d10-ce1b-407e-89a6-af4a986b1ef3" target="_blank" rel="noopener">9.1</a> - NPRR1070 - Rickey Floyd <ul> <li style="font-weight: 400;" aria-level="1">ERCOT provided an update on NPRR1070, mentioning they are still actively working on comments and coordinating with the PUC.</li> <li style="font-weight: 400;" aria-level="1">The issue remains tabled with OWG.</li> <li style="font-weight: 400;" aria-level="1">No update was received from OTWG at the last meeting</li> </ul> <a href="/sharing/?token=1998d246-d879-4ef6-a264-9bd33e5a943f" target="_blank" rel="noopener">9.2</a> - NPRR1221 - Rickey Floyd <ul> <li style="font-weight: 400;" aria-level="1">No new comments filed for NPRR1221, language likely to stay as it is</li> <li style="font-weight: 400;" aria-level="1">Waiting for consensus before passing back to ROS.</li> </ul> <a href="/sharing/?token=41095541-1f6d-4652-b3f5-c8224a7d7607" target="_blank" rel="noopener">9.3</a> - NOGRR262 - Rickey Floyd <ul> <li style="font-weight: 400;" aria-level="1">OWG reviewed the 05/13/24 Oncor comments on NOGRR262</li> <li style="font-weight: 400;" aria-level="1">Major changes including, but not limited to, the removal of proposed language stating that “transmission operators should avoid the use of load designated as critical under frequency load shed or under voltage load shed” since that is covered in section 4.5.3.4.</li> <li style="font-weight: 400;" aria-level="1">Golden Spread expressed concerns over SCADA controlled load shed and non-SCADA controlled load shed, with the need to discuss language proposals</li> <li style="font-weight: 400;" aria-level="1">ERCOT emphasized the need to gain consensus to move the issue forward, with plans to discuss new comments from Golden Spread at the next OWG meeting</li> <li style="font-weight: 400;" aria-level="1">The issue remains tabled at this point in time</li> </ul> <a href="/sharing/?token=54ce1369-7fc8-424c-957f-69a996f09d44" target="_blank" rel="noopener">10</a> - PDCWG - Kevin Bunch <ul> <li style="font-weight: 400;" aria-level="1">Annual inertia presentation discussed, showing an increase in inertia despite the rise in wind and solar assets, attributed to conservative operations.</li> <li style="font-weight: 400;" aria-level="1">ERCOT presented a draft NPRR and NOGRR regarding RRS limitations, proposing a reduction in the amount of RRS a single facility could provide to 157MW as opposed to the current 20% limit.</li> </ul> <a href="/sharing/?token=0d23fc5d-5c53-405e-b9c1-2683ef2ed1d5" target="_blank" rel="noopener">10.1</a> - NOGRR263 - Kevin Bunch <ul> <li style="font-weight: 400;" aria-level="1">Debate centering around removing the obligation for CLRs to provide PFR during frequency deviations.</li> <li style="font-weight: 400;" aria-level="1">ERCOT and PDC were open to moving forward with the proposal with slight modifications</li> <li style="font-weight: 400;" aria-level="1">The proposal suggests that any CLR capable of, or registered to provide, ancillary services would need to provide PFR. CLRs not qualifying for ancillary services would be exempt from this obligation.</li> <li style="font-weight: 400;" aria-level="1">Michael Jewell (Priority Power) mentioned working with ERCOT on proposed revisions.</li> <li style="font-weight: 400;" aria-level="1">Other items discussed included standard archive frequency control reports, drafting a SAR for NERC BAL-001 standard, and review of the NDA list for PDC.</li> <li style="font-weight: 400;" aria-level="1">Current IFMR is 3 times greater than the amount of minimal RFP</li> <li style="font-weight: 400;" aria-level="1">The meeting concluded with discussion of the next scheduled meeting, to be rescheduled in late June or July.</li> </ul> <a href="/sharing/?token=0e52cd69-dd33-48c7-af2a-964bb9275935" target="_blank" rel="noopener">11</a> - Combo Ballot - Katie Rich <img src="/storage/docs/2024/06/ROS%20Motions%20for%20June%206,%202024%20Combined%20Ballot.png" width="775" height="71" /> <img src="/storage/docs/2024/06/ROS%20June%206,%202024%20Combined%20Ballot.png" width="849" height="805" /> <ul> <li>Motion carries unanimously</li> </ul> <a href="/sharing/?token=248c98c7-00ba-4867-b743-fddad6b7cffc" target="_blank" rel="noopener">12</a> - SSWG - William Robertson <ul> <li style="font-weight: 400;" aria-level="1">24SSWG TPIT 2 and Final Cases expected to be posted 06/07/24 or following week.</li> <li style="font-weight: 400;" aria-level="1">Contingency verification and planning data dictionary to be finalized and submitted within next two weeks</li> <li style="font-weight: 400;" aria-level="1">PGRR13, SSWG to draft language for procedure manual, ERCOT to have internal review, additional month given for working group review</li> <li style="font-weight: 400;" aria-level="1">July SSWG meeting to verify draft language, hoping to bring it to July ROS for approval</li> <li style="font-weight: 400;" aria-level="1">Peak load for furthest year of case build is 2031, total system load for ERCOT is 141GW</li> <li style="font-weight: 400;" aria-level="1">RPG shows 162GW in 2030, including Punz load, questioning the 20GW disconnect, attributed to offline officer letter loads within SSWG cases.</li> </ul> <a href="/sharing/?token=b9b7b548-0619-4214-ba59-2cb526f11869" target="_blank" rel="noopener">13</a> - VPWG - Maribel Khayat <img src="/storage/docs/2024/06/13-vpwg_update_to_ros_may-23.png" width="553" height="310" /> <a href="/sharing/?token=02e9f2fd-f8d9-4604-af8a-294b6220bad7" target="_blank" rel="noopener">14</a> - OTWG - Benny Ray <ul> <li style="font-weight: 400;" aria-level="1">ERCOT operator certification:</li> <ul> <li style="font-weight: 400;" aria-level="2">Task force reviewed the question bank and failure rates</li> <li style="font-weight: 400;" aria-level="2">Evaluating passing rates to be above 65%</li> <li style="font-weight: 400;" aria-level="2">Update expected in next meeting</li> </ul> <li style="font-weight: 400;" aria-level="1">Blackstar training task force:</li> <ul> <li style="font-weight: 400;" aria-level="2">Using Grid Geo as training simulators for seminar</li> <li style="font-weight: 400;" aria-level="2">Confirmed dates from October 14 to November 21</li> <li style="font-weight: 400;" aria-level="2">Will have simulations and CBTs for CE hours</li> </ul> <li style="font-weight: 400;" aria-level="1">Operations training seminar task force:</li> <ul> <li style="font-weight: 400;" aria-level="2">Completed sessions and collecting feedback</li> <li style="font-weight: 400;" aria-level="2">Planning additional topics related to QSEs for 2025</li> </ul> <li style="font-weight: 400;" aria-level="1">Severe weather drill task force:</li> <ul> <li style="font-weight: 400;" aria-level="2">Scheduled for sometime between August 12 and September 16</li> <li style="font-weight: 400;" aria-level="2">Final date expected in next meeting</li> </ul> </ul> <a href="/sharing/?token=0f3c67c1-a121-43a8-be15-86e0a2ce9bcd" target="_blank" rel="noopener">15</a> - Notice of Withdrawal - Katie Rich <ul> <li style="font-weight: 400;" aria-level="1">NPRR1191 and PGRR111 withdrawn</li> </ul> <a href="/sharing/?token=158d15d7-ae03-4f2f-927f-8d6fc317941e" target="_blank" rel="noopener">16</a> - Other Business - Katie Rich <ul> <li style="font-weight: 400;" aria-level="1">NPRR1234 and PGRR115 submitted by ERCOT on 05/28/24</li> <li style="font-weight: 400;" aria-level="1">PGRR115 will be originated at the next PRS meeting</li> <li style="font-weight: 400;" aria-level="1">ERCOT requests PRS to refer the NPRR1234 to ROS be considered in tandem with PGRR115</li> <li style="font-weight: 400;" aria-level="1">Large Flexible Load Task Force to consider and discuss the NPRR and PGRR</li> <li style="font-weight: 400;" aria-level="1">Revision requests primarily address interconnection and modeling requirements for large loads</li> <li style="font-weight: 400;" aria-level="1">NPRR1234 includes a definition of sites with an aggregated peak demand of 75MW or more</li> <li style="font-weight: 400;" aria-level="1">Reflects stakeholder feedback from prior revision request package</li> </ul> <a href="/sharing/?token=520c1b76-19b3-4802-baff-a716fd64c651" target="_blank" rel="noopener">16.1</a> - NPRR1234 - Katie Rich <ul> <li style="font-weight: 400;" aria-level="1">The concept of registered curtailable loads was removed.</li> <li style="font-weight: 400;" aria-level="1">Ramping limitations on large loads and voltage ride through requirements were also removed.</li> <li style="font-weight: 400;" aria-level="1">Concerns about ramping and voltage ride through issues were highlighted, exploring mitigation measures such as procurement of additional ancillary services and system improvements.</li> <li style="font-weight: 400;" aria-level="1">Language in Section 16 requiring the registration of a load 25MW or greater with ERCOT has been removed and replaced with a new requirement in Section 3.10.7.2 requiring identification and classification of loads 25MW or greater in the Network Operations Model.</li> <li style="font-weight: 400;" aria-level="1">Large Load Interconnection Study (LLIS) process proposed to apply to all large load interconnection requests, regardless of timeline, and interactions would be between ERCOT and the interconnecting TSPs and IE/RE if applicable.</li> </ul> <a href="/sharing/?token=5c553199-c7b3-47e2-977a-3d79c1b9a299" target="_blank" rel="noopener">16.3</a> - 2025 Meeting Schedule - Katie Rich <ul> <li style="font-weight: 400;" aria-level="1">Discussion on potentially moving meetings from Thursday to Wednesday to avoid conflict with open meetings</li> <li style="font-weight: 400;" aria-level="1">Consideration of how the change may affect ROS and WMS</li> </ul> <a href="/sharing/?token=2bbd2e52-bdf8-4206-b147-ed2392166e1a" target="_blank" rel="noopener">16.4</a> - Review Open Action - Katie Rich <ul> <li style="font-weight: 400;" aria-level="1">A review of open action items was conducted, following a suggestion from Kevin during the PDCWG report.</li> <li style="font-weight: 400;" aria-level="1">Agreement to remove an assigned PDCWG item was reached after consulting with the group.</li> <li style="font-weight: 400;" aria-level="1">The next ROS meeting is scheduled for July 7 and will be webex only due to multiple meetings that week, given the absence of a meeting during July 4.</li> </ul>