N-9-(i)Appendices A-N
11 passages
for system. Are there limitations to this assumption, or are examination in future work. Dynamic modeling of there system conditions (in NS or NB) under which the tie this constraint is also an opportunity for future would not provide the...
AI summary The text raises questions about the assumptions made regarding the inertia benefits of the NS-NB intertie and the battery + synchronous condenser option. It suggests that NSPI should conduct additional analysis to understand the minimum inertia requirements under varying system conditions and the impact of changes in load, DSM, and supply-side portfolio mix. The text also requests a sensitivity analysis if the inertia benefits are lower than assumed.
ding for several years, it is possible that cost declines for wind capacity or other factors could advance the timeline for wind development, hastening the need for a solution to the reliability need. DAYMARK ENERGY ADVISORS 370 MAIN STREE...
AI summary The text discusses the need for coordination with New Brunswick for the Reliability Tie and Regional Integration as part of Nova Scotia Power's Integrated Resource Plan, and highlights the importance of a clear interpretation of rate impact analysis under high electrification scenarios.
Reliability Tie. and size of near-term CT procurements. RII recommends that the draft action plan be revised to pursue an all-source Wind, reliability tie and regional integration decisions should be co-optimized. It should be recognized t...
AI summary The text discusses the need to revise a draft action plan to pursue an all-source approach, emphasizing the co-optimization of wind, reliability tie, and regional integration decisions. It notes that high levels of wind resources dependent on the reliability tie can be managed with temporary operating constraints if there are schedule delays.
on the reliability tie, then any schedule delays affecting the reliability tie can be managed with temporary operating constraints on the wind projects.
AI summary The text discusses managing schedule delays on the reliability tie by implementing temporary operating constraints on wind projects to ensure reliability.
domestic steam units? keep steam units online at lower loads. This energy could be replaced by imported energy. NS Power looked at several scenarios, and the difference in imported energy in the year prior to and the year following constru...
AI summary The document discusses the impact of the Reliability Tie on domestic steam units and imported energy, noting that the difference in imported energy before and after the tie's construction is relatively small. NS Power plans to develop the Reliability Tie immediately after the IRP concludes, emphasizing the importance of understanding the relationship between transmission, wind, battery, and inertia before issuing an all-source RFP.
Nova Scotia Power IRP Final Report Appendix K Page 254 of 264 available through the Maritime Link. To meet the lower carbon intensities for electrical generation in the low to high electrification scenarios highlighted in the Draft Finding...
AI summary The IRP Final Report discusses the need for Nova Scotia's grid to rely on firm dispatchable energy and NS-NB tie line investment to meet lower carbon intensity goals. However, NSPI has not provided key assumptions related to these imports, including costs or carbon intensity, and no commercial agreements are in place.
Category Participant Comment NS Power Response The tie line connection to New Brunswick will be exposed to the increasing frequency and severity of NS Power concurs that reliability implications will be storms related to climate change imp...
AI summary The text discusses concerns regarding the reliability of the tie line connection to New Brunswick in the context of climate change and the aging LFO-fired CTs. NS Power acknowledges the need to assess reliability implications and the importance of monitoring and re-evaluating the economics of maintaining these units.
s, grid investments, and operating practices.’ -‘ While NS Power notes that it modeled the Reliability Tie as providing only synchronized inertia (enabling additional wind integration), it may provide other benefits, such as reserves, load...
AI summary The text discusses the potential benefits of the Reliability Tie, including synchronized inertia, reserves, load following, and non-firm import capability. It notes that the Reliability Tie may reduce the need for steam units to operate at minimum load, potentially shifting generation from domestic thermal sources to less-expensive imported energy. Further analysis and coordination with an all-source RFP are recommended.
“optimal” as the software was presented with limited regional integration opportunities. Incremental transmission builds must be examined fully in future studies.’ E1 Concerned about risks of capital investment and potential 2020-11-13; p....
AI summary The text discusses concerns regarding the economic risks of regional integration due to potential price increases in natural gas and imports. It also references the need for further analysis on the Intertie to ensure reliable operation of resource plans beyond the findings of the pre-IRP stability study.
FINDING STAKEHOLDER STAKEHOLDER COMMENT REFERENCE Given that the Regional Integration and Reliability Ties play a key role in many of the optimal resource plans developed for the key scenarios, these studies should be undertaken in the nea...
AI summary The document emphasizes the importance of Regional Integration and Reliability Ties in optimal resource plans, noting the need to address climate change impacts on grid reliability and energy security. The SBA supports the investigation of these ties as a common component of top-performing plans.
September 10, Scotia system, particularly in advance of the 2020 further indicate a required need and reliance commissioning of integration measures such as the for natural gas in the province over the next 25-year Reliability Tie. period....
AI summary The document highlights the importance of natural gas in the Scotia system, particularly in advance of the Reliability Tie commissioning, emphasizing its role in providing grid reliability, ancillary services, economic benefits, and lower carbon emissions over the next 25 years.
N-11Comments - Synapse
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ommunications with NSPI to further an in-depth understanding of NSPI’s approach to developing its resource plan. A core part of Synapse’s scope of work included detailed review of NSPI Plexos results. Synapse’s role spanned the period from...
AI summary Synapse reviewed NSPI's resource plan from Fall 2019 to 2020, focusing on modeling approaches and stakeholder input. Technical disagreements arose over assumptions and outcome weighting, though the process was deemed transparent. Discussions included carbon emissions modeling under the SDGA, a potential New Brunswick reliability tie, and wind power inclusion.
2021. o Report to the Board on the current status of securing right-of-way for the Reliability Tie in Nova Scotia. o On an aggressive a timeline as is possible, engage with Canadian Federal departments and other Nova Scotia agencies to det...
AI summary The text outlines actions related to securing right-of-way for the Reliability Tie in Nova Scotia, engaging with federal and provincial agencies for joint funding, and reporting on discussions with New Brunswick. It also mentions the initiation of a Thermal Plant Retirement, Redevelopment and Replacement Plan.
Provinces and potentially the Federal government, and any other relevant issue. ii. Initiate Thermal Plant Retirement, Redevelopment and Replacement Plan • NSPI should prioritize element 3d, initiation of a wind procurement strategy. This...
AI summary The text discusses the need for NSPI to prioritize initiating a wind procurement strategy targeting up to 631 MW of wind deployment by 2025, aligned with low wind cost scenarios. It also mentions the importance of considering carbon reduction valuation and the Reliability Tie in ensuring reliable operation.