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Page 27 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL 1 4.0 QUEUED SYSTEM IMPACT STUDIES 2 3 Active transmission and distribution requests not appearing in the Combined Transmission & 4 Distribution Advanced Stage Interconnection Requ...
AI summary The document discusses queued system impact studies related to transmission and distribution requests, including the Port Hawkesbury Biomass generating unit. It mentions the conversion of this unit from ERIS to NRIS following system upgrades associated with Transmission Service Request 400.
138 kV, 230 kV and 345 kV levels. The configuration of the NS Power transmission 7 system and major facilities is shown in Figure 20. 8 9 Figure 20: NS Power Major Facilities in Service 2022 10 11 12 The 345 kV transmission system is appro...
AI summary The document outlines the configuration and length of Nova Scotia Power's transmission system, including details on 345 kV and 230 kV lines, and references a 2022 10-Year System Outlook.
30, 2022 Page 46 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL 1 The 138 kV transmission system is approximately 1,871 km in length and comprises 303 km of 2 steel structures and 1,568 km of wood pole lines. 3 4 The 69 kV transmission...
AI summary The document outlines the length and composition of Nova Scotia's 138 kV and 69 kV transmission systems, as well as its interconnections with New Brunswick and Newfoundland. It also describes the deterministic criteria used by NS Power for transmission system design and security.
uacy and security of 24 the interconnected power system to be maintained following a fault on and disconnection of any 25 single system component. 26 27 7.2.1 Bulk Power System (BPS) 28 29 The NS Power bulk transmission system is planned,...
AI summary The document discusses the planning, design, and operation of the NS Power bulk transmission system in accordance with NERC standards and NPCC criteria, emphasizing the reliability and security of the interconnected power system following faults or disconnections.
1 • Visual inspection of every line once per year via helicopter, or via ground patrol in 2 locations not practical for helicopter patrols. 3 • Foot patrol of each non-BPS line on a three-year cycle. Where a Lidar survey is requested 4 for...
AI summary The document outlines inspection protocols for transmission lines, including annual visual inspections via helicopter or ground patrol, and Lidar surveys for BPS and non-BPS lines. It also discusses the transmission project approval process, emphasizing system reliability, compliance with standards, and potential changes based on technical studies and regulatory approvals.
ests 27 28 NS Power continued to receive large numbers of new large-load requests in 2021 with respect to 29 proposed commercial, mining, aquaculture and government projects ranging in size from 1-15 30 MVA. As a result, approximately fort...
AI summary NS Power received numerous large-load requests in 2021 for commercial, mining, aquaculture, and government projects. Forty-one Preliminary Assessments were conducted, resulting in ten formal Load Impact Studies on transmission and distribution systems. Not all projects will result in immediate load due to multi-year construction timelines.
1 • Purchase of replacement spare for unit utilized at 58C-SW Margaree Substation 2 (C0031052) 3 • Purchase suitable lot for establishing a new 138kV–25kV Suzie Lake Substation. 4 • Purchase new 138 kV–25 kV, 15 MVA Skid-Mounted Substation...
AI summary The text lists various infrastructure projects and maintenance activities related to power substations and transmission lines in Nova Scotia, including replacements, constructions, and relocations aimed at improving system reliability and capacity.
2022 Page 56 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL 1 2024 2 • Installation of a second 25/33/42 MVA, 138 kV-25 kV transformer at 1N-Onslow. 3 • Transmission Right-of-Way Widening 69 kV to reduce the occurrence of edge and off...
AI summary The document outlines a 10-year system outlook for Nova Scotia Power, detailing planned infrastructure upgrades from 2024 to 2031, including transformer installations, substation expansions, and transmission improvements, with anticipated future projects as coal-fired generation is phased out and electrification advances.