Topic:"Generator Interconnection" in M08929

133.6 Total Capacity 2400 1 2 3.1.1 Maximum Unit Capacity Rating Adjustments 3 As a member of the Maritimes Area of the Northeast Power Coordinating Council 4 (NPCC), NS Power meets the requirement for generator capacity verification as ou...

AI summary NS Power discusses compliance with NPCC and NERC generator capacity verification standards, the rejection and resubmission of the Tusket CT Generator Replacement project, and assumptions about wind project capacity contributions. The UARB previously declined approval, and NS Power seeks reinstatement of the asset's capacity.

hange 195 Projected Over Planning Period Community Feed-in Tariff (Firm capacity) 1 7 DSM Firm Peak Reduction is calculated from the 2019 NS Power 10-Year Energy and Demand Forecast, M09191, Exhibit N-1, Table A-3 and A-4, April 30, 2019....

AI summary The document outlines projected energy resources and retirements from 2019-2028, including biomass (43 MW), Maritime Link imports (153 MW), and assumed retirements (-148 MW), resulting in a net 49 MW increase. It references the 2019 NS Power 10-Year Forecast (Exhibit N-1, Table A-3/A-4) and mentions the Tusket Combustion Turbine as part of the planning period.

July 2, 2019 Page 26 of 67 2019 Ten-Year System Outlook NON-CONFIDENTIAL 1 4.0 NEW SUPPLY SIDE FACILITIES 2 3 As of June 4, 2019 NS Power has six Active Transmission Connected Interconnection 4 Requests (141.052 MW) and four Active Distrib...

AI summary As of June 4, 2019, NS Power has six active transmission-connected interconnection requests totaling 141.052 MW and four active distribution-connected interconnection requests totaling 14.3 MW. Proponents of transmission projects have requested NRIS or ERIS, while distribution projects do not receive these designations.

5.6 5.6 CHP 1-Sep-18 SIS Complete 7-D 548 31-Jan-17 Kings 6.0 6.0 36V-302 Tidal 31-Dec-19 SIS Complete N/A 8 9 Active transmission and distribution requests not appearing in the Combined 10 Transmission & Distribution Advanced Stage Interc...

AI summary The text discusses the status of combined transmission and distribution interconnection requests, noting that those not in the advanced stage are considered initial and have not reached the SIS stage. It references a figure showing generating facilities in the Combined T/D Advanced Stage Interconnection Request Queue.

1 reliability. The MATPC forms the core resource for coordinating input to studies 2 conducted by each member organization and presenting study results, such as evaluation 3 of transmission congestion levels in regards to the total transfe...

AI summary The text discusses the role of the MATPC in transmission planning and the impact of new large load customer interconnection requests due to the legalization of cannabis in Nova Scotia. It also references a directive from the NS-UARB for NS Power to conduct a wind integration stability study.

RP Deliverables Page 10 of 70 x No cascade generator or transmission line tripping x No loss of synchronism x Frequency maintained with the frequency fault ride-through envelope x Voltage at generator connection points maintained within th...

AI summary The text outlines key deliverables and findings from a study on system stability, emphasizing the need to maintain frequency, voltage, and short circuit ratios during disturbances. It highlights the impact of inverter-based generation on system protection and the importance of regulation reserves for wind generation.

NS Power will attempt to quantify the capabilities of conversion of existing units to synchronous condensers as part of the Draft Assumptions phase of the IRP. 6.37 Synapse Has, or can, PSC run any sensitivity analyses around the regulatio...

AI summary NS Power plans to assess the conversion of existing units to synchronous condensers in the Draft Assumptions phase of the IRP. Synapse asks about sensitivity analyses on regulation reserve requirements, rationale for base cases, and sizing increments for synchronous condensers and batteries. PSC responds that no sensitivity analyses were conducted and that the study used large increments to save time, with simulations confirming the use of 200 MVAR synchronous condensers.

3.1.3.2 Synchronous Inertia Inertial Response is a key property of a power system which helps to ensure reliability. It is the ability of synchronous generators to release kinetic energy stored in their rotating generators in response to a...

AI summary This section discusses the importance of synchronous inertia in maintaining grid reliability, the impact of replacing coal-fired generators with inverter-based and gas turbine generators, and Nova Scotia Power's approach to ensuring sufficient inertia through system modeling and studies. The pre-IRP study recommended minimum inertia levels and the use of various sources to meet these requirements.

2.2A MW/units Generator Year 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 Existing Coal Retirements 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 Units 2 Units 4 Units 7 U...

AI summary The table outlines the planned retirements and additions of various electricity generation units from 2021 to 2045, including coal, gas, and biomass. It provides a detailed breakdown of existing retirements, new gas capacity, and conversions over time.

ies. Not only would this investment allow these facilities to hedge against rising fuel costs in the future, but the overall reduction of GHG would be a significant benefit to the province as a whole. The consultants findings are summarize...

AI summary The submission highlights the benefits of investing in facilities to hedge against rising fuel costs and reduce GHG emissions. However, consultants identified risks related to distribution interconnection and the age of the grid, which may hinder the implementation of renewable energy projects, including a CHP plant.

removal of the anomalously high DAFOR for TUC1 in 2016. These updated DAFOR forecasts were used in the reliability/operability study using E3s RECAP tool, which evaluate the required Planning Reserve Margin to meet the reliability standard...

AI summary The text discusses the removal of an anomalously high DAFOR for TUC1 in 2016 and the use of updated DAFOR forecasts in a reliability/operability study using the E3s RECAP tool. It also addresses modeling assumptions for inertia constraints, including how different resources contribute to meeting these constraints and any operational restrictions.

and how changes could impact the optimal quantity and timing of these resources. Interconnection NF-06 Interconnection energy flows shown in aggregate. Can the Information has been provided in a manner that energy flows import and export e...

AI summary The text discusses interconnection energy flows and the eligibility of imports for ELCC calculations, noting that only firm imports contribute to capacity requirements. It highlights differences in practices between Europe and Nova Scotia and the need for firm import arrangements and transmission access for reliable capacity during peak events.

t investments in oil cooling systems are intended to address this latter concern; data on the impact of these investments is inconclusive at this point and should be monitored.”3 2 M09548 – (Exhibit N-1) Audit of Nova Scotia Power, Inc.’s...

AI summary The text discusses investments in oil cooling systems and their inconclusive impact on addressing concerns. It also highlights Heritage Gas's recommendation to replace aging combustion turbines at Burnside with new capacity to address reliability issues and meet future needs.

following additional sensitivities were included in this work: • Specific analysis of the Victoria Junction combustion turbine site, conducted both with and without addition of locational effects relative to load centre in Halifax (i.e. ad...

AI summary The analysis includes specific evaluations of the Victoria Junction combustion turbine site, sensitivity analyses of PRM requirements under UCAP and ICAP calculations, and additional capacity expansions in RESOLVE using a 7% UCAP PRM assumption to assess resource adequacy and avoid capacity surplus.

g term as a part of the integrated system in Nova Scotia.”701 Subsequently, the Board approved the ELIADC tariff, which eliminates PHP’s explicit option to access generation from the biomass plant. 12

AI summary The document discusses the elimination of PHP's explicit option to access generation from the biomass plant through the approved ELIADC tariff, which is part of the integrated system in Nova Scotia.

uding some made by stakeholders, in its next steps. While NSPI has put forth a reasonable overall Action Plan and Roadmap, NSPI should incorporate common-sense suggestions by some stakeholders. The first common-sense suggestion relates to...

AI summary The document suggests that NSPI should incorporate stakeholder recommendations into its Action Plan and Roadmap, specifically regarding the continued assessment of diesel-fired combustion turbines in the evergreen IRP process and immediate action on the Regional Integration Strategy, including the development of the Reliability Tie and Regional Interconnection.

Action Plan (1) Regional Integration We find that NS Power's Action Plan lacks a clear process for integrating its work on the Regional Interconnection Strategy with the development of new generation resources. The IRP findings focus on wh...

AI summary The review of NS Power's Action Plan highlights concerns about the lack of a clear integration process for the Regional Interconnection Strategy with new generation resources. The IRP findings suggest that the analysis does not establish the optimal combination of transmission upgrades and resource mix changes. NS Power responds by emphasizing the varying degrees of uncertainty in transmission investment and commits to advancing the Reliability Tie immediately while continuing to evaluate the Regional Interconnection.

NET CAPACITY ADDITIONS – NO NEW DSM VS WITH DSM - Similar incremental net resource additions/retirements for No New DSM scenarios 2.0C and 2.1C, including; - Early period, delayed coal retirement; - Incremental gas resource additions (incl...

AI summary The document compares net capacity additions under 'No New DSM' scenarios 2.0C and 2.1C, highlighting similar incremental resource additions and retirements, including early coal retirement, gas resource additions, battery storage, wind additions, and lower demand response availability. Scenario 2.1C shows earlier Regional Integration and coal retirement by 2035.