N-1Report
10 passages
1 TABLE OF CONTENTS 2 3 1.0 Introduction .......................................................................................................................... 5 4 2.0 Load Forecast ........................................................
AI summary The document outlines a regulatory proceeding's table of contents, focusing on generation resources, capacity changes, and specific projects like Annapolis Tidal and Brooklyn Power. It includes sections on load forecasting, existing generation resources, and the Path to 2030 and Evergreen IRP initiatives.
2023 58 - 2,397 2,455 10.8 2024F 144 1 2,219 2,365 -3.7 2025F 144 4 2,259 2,408 1.8 2026F 149 12 2,267 2,428 0.8 2027F 148 24 2,265 2,437 0.4 2028F 148 36 2,283 2,466 1.2 2029F 148 39 2,306 2,493 1.1 2030F 148 39 2,360 2,547 2.2 2031F 147...
AI summary The text presents a 10-year forecast table with projected values and uncertainty factors affecting electricity forecasting, including weather, energy efficiency programs, economic activity, and technology changes. It introduces a section on existing generation resources, highlighting the complexity of long-term electricity planning.
2024 10-Year System Outlook Non-Confidential 1 3.0 GENERATION RESOURCES 2 3 3.1 Existing Generation Resources 4 5 NS Power’s generation portfolio is composed of a mix of fuel and technology types that include 6 coal, petroleum coke, light...
AI summary NS Power's generation portfolio includes coal, gas, hydro, biomass, and variable renewables like wind and solar, with IPPs and imported power supplementing supply. The RES policy has increased variable renewable output, but conventional resources still provide most firm capacity due to intermittency.
d additions over the 10-year period to this total capacity are shown in Figure 6 (Section 21 3.2.1). The firm generating capability for the wholesale market participants is set out in 22 Figure 4. 23 Figure 3: 2024 Firm Generating Capacity...
AI summary The document outlines the 2024 firm generating capacity for NS Power and Independent Power Producers (IPPs), detailing hydroelectric plants (Avon, Black River, Lequille System) with winter net capacities and noting Effective Load Carrying Capability (ELCC) values for renewable sources. Winter Net Capacity refers to maximum rated capacity during Nova Scotia's winter peak period, with further details in Section 6.3.
Capacity (MW) 4 3F Bear River System Hydro 35.5 Tusket Hydro 2.3 Mersey System 5 Hydro 34.9 St. Margaret’s Bay Hydro 10.3 Sheet Harbour Hydro 10.2 Dickie Brook Hydro 3.6 Wreck Cove Hydro 201.4 Annapolis Tidal 6 Hydro 0.0 Fall River Hydro 0...
AI summary The text lists various hydroelectric systems in Nova Scotia with their respective capacities, totaling 494.8 MW. The systems include Bear River, Tusket, Mersey System 5, and others, indicating the contribution of hydroelectric power to the region's energy generation.
a Scotia Block Hydro 145.4 Total Hydro 494.8 Tufts Cove Heavy Fuel Oil/Natural Gas 318 Trenton Coal/Pet Coke/Heavy Fuel Oil 304 Point Tupper Coal/Pet Coke/Heavy Fuel Oil 150 Lingan 7 6F Coal/Pet Coke/Heavy Fuel Oil 607 Coal/Pet Coke & Lime...
AI summary The text lists Nova Scotia power generation facilities with their fuel sources and capacities, including hydro (494.8 MW), steam (1,547 MW), combined cycle (144 MW), and combustion turbine (231 MW) plants, detailing specific sites like Tufts Cove, Trenton, and Point Tupper.
stalled capacity 58.5 MW • Total RTR capacity 148.5 MW • New firm capacity 6 MW20 • Total RTR firm capacity: 15 MW Battery Storage – NS Power BESS • Installed capacity: 50 MW • Firm capacity: 23.7 MW Solar - NS Community Solar Program • In...
AI summary The document outlines stalled and new capacity additions and retirements for the 2024 10-Year System Outlook, including details on renewable energy installations, battery storage, and combustion turbine retirements.
MW • Lingan 2 (-148 MW) • Firm Capacity: 300 MW Battery Storage • Installed capacity 150 MW • Firm Capacity: 48.5 MW Solar - NS Community Solar Program • Installed capacity 25 MW • Firm capacity: 0 MW • Diversity capacity credit: 3 MW 2028...
AI summary The document outlines the installed and firm capacity of various energy generation and storage projects in Nova Scotia, including wind, solar, battery storage, and coal-to-gas conversions, with projections spanning from 2024 to 2032.
Non-Confidential 1 6B(2)(b) of the Renewable Electricity Regulations 22 as part of meeting NS Power’s 2030 21F 2 Decarbonation Goals. 3 4 The RBP portfolio was announced on August 17, 2022 and subsequently updated on July 12, 2023 5 and Fe...
AI summary The RBP portfolio, part of NS Power's efforts to meet decarbonization goals, was initially announced in 2022 and has since been updated. One project withdrew, reducing the total capacity and energy from five to four projects. The withdrawn project's capacity will be added to the Green Choice procurement round, increasing its maximum capacity. The report also discusses unit utilization forecasts and the evolution of Nova Scotia's energy mix.
lation that could trigger a significant shift in the utilization 22 forecast to provide the most economic system dispatch for customers. 23 24 3.3.1 Evolution of the Energy Mix in Nova Scotia 25 NS Power’s energy production mix has undergo...
AI summary NS Power’s energy production mix has evolved significantly over the last 15 years with an increased reliance on variable renewable resources like wind. However, these resources provide less firm capacity than conventional generation, leading to continued reliance on conventional units for firm capacity and ancillary services.
N-3NSPI (NSUARB) RIR-1 - RIR-18
13 passages
1 Request IR-3: 2 3 Figure 3 shows the Nova Scotia Block with a maximum rated capacity of 145.4 MW 4 during the winter peak period. In its response to Board IR-3 in Matter M11221, NS 5 Power stated that the NS Block includes the provision...
AI summary The document discusses NS Power's use of a 95% ELCC (Effective Load-Carrying Capacity) assumption for the Nova Scotia Block in its 10-Year System Outlook Report, contrasting with a 98% ELCC in prior studies. It requests updated data, continuation of the assumption, and examples of peak demand periods exceeding 145.4 MW. NS Power references recent reports from NSPML and ENL on system reliability but does not confirm new data acquisition.
reproduce Figures 3 and 4 by adding an additional column to show nameplate 4 capacity for each line item. 5 6 Response IR-6: 7 8 Figure 3: 2024 Firm Generating Capacity for NS Power and IPPs 9 Winter Net Nameplate Plant/System Fuel Type Ca...
AI summary The text requests reproducing Figures 3 and 4 with an additional column showing nameplate capacity. Figure 3 lists 2024 firm generating capacity for NS Power and IPPs, including Winter Net Capacity and Nameplate Capacity (MW). The response is labeled as 'Response IR-6'.
Winter Net Nameplate Plant/System Fuel Type Capacity (MW) Capacity (MW)
AI summary The text presents a table listing power plants/systems with their winter net and nameplate capacities in MW, though no specific details about the plants, fuel types, or operational context are provided beyond the column headers.
Avon Hydro 6.4 6.8 Black River Hydro 21.4 22.5 Lequille System Hydro 23.0 24.2 Bear River System Hydro 35.5 37.4 Tusket Hydro 2.3 2.4 Mersey System Hydro 34.9 42.5 St. Margaret’s Bay Hydro 10.3 10.8 Sheet Harbour Hydro 10.2 10.8 Dickie Bro...
AI summary The text presents a table listing capacities (in MW) for various hydroelectric systems in Nova Scotia, including Avon Hydro, Black River Hydro, and others, along with entries for fossil fuel-based generation sources like Heavy Fuel Oil and Coal/Pet Coke. Total hydro capacity is reported as 494.8 MW (2020) and 526.6 MW (2021).
150 150 Fuel Oil Coal/Pet Coke/Heavy Lingan 607 607 Fuel Oil Date Filed: September 19, 2024 NSPI (NSUARB) IR-6 Page 1 of 3 2024 10-Year System Outlook Report (NSUARB M11764) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL Wi...
AI summary The document includes a table from NSPI's 2024 10-Year System Outlook Report (NSUARB M11764), detailing plant capacities (e.g., Lingan with 607 MW nameplate capacity). It references NSPI's responses to NSUARB information requests, focusing on generation infrastructure and fuel types.
Winter Net Nameplate Plant/System Fuel Type Capacity (MW) Capacity (MW)
AI summary The text presents a table listing power plants/systems with their winter net and nameplate capacities in MW, though no specific details about the plants, fuel types, or operational context are provided beyond the column headers.
Coal/Pet Coke & Point Aconi Limestone Sorbent 168 168 (CFB) PH Biomass 0 0 Total Steam 1547 1547 Tufts Cove Units 4,5 & 6 Natural Gas 144 144 Total Combined Cycle 144 144 Burnside1 Light Fuel Oil 132 132 Tusket1 Light Fuel Oil 33 33 Victor...
AI summary The table outlines electricity generation capacity by source in Nova Scotia, showing coal, biomass, natural gas, fuel oil, and renewable energy contributions. It highlights significant growth in renewable energy and Independent Power Producer (IPP) capacity between 2001 and the current period, with total capacity increasing from 2,550.9 to 3,069.1.
Plant\Year 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 TuftsCove $21,496,986 $31,471,941 $45,905,985 $42,972,243 $59,280,647 $22,756,501 $39,115,754 $21,480,934 $16,974,655 $24,806,463 $17,536,870 $343,798,979 Lingan $22,011,887...
AI summary The table presents projected annual costs (in dollars) for various power generation facilities in Nova Scotia from 2024 to 2034, including combustion turbines, biomass, and specific plant sites like TuftsCove and Lingan. Total costs are aggregated for each year, with some facilities showing declining or fluctuating expenditures over time.
le maximum wind study, with and without a second 345kv tie to New Brunswick, is ongoing and will provide direction on the quantity and location of grid support mechanisms. 4.4.5 Stability Requirement When sufficient inertia, FFR and reacti...
AI summary The document outlines ongoing studies regarding grid stability and frequency control, including the development of an EMT model in PSCADTM by NSPI with MHI. These studies assess the need for grid support mechanisms and analyze stability requirements based on inertia, FFR, and reactive support criteria.
rios (load dispatch conditions, generation online, etc.) are implemented in the PSS®E case and the corresponding network conditions transferred to the PSCADTM cases using python based scripts. The general EMT study procedure is quite simil...
AI summary The text discusses the use of PSS®E and PSCADTM for simulating electromagnetic transients (EMT) and RMS dynamic simulations in power systems. It outlines the procedure for identifying critical contingencies based on screening studies and highlights illustrative results showing voltage waveforms and unstable oscillations at points of interconnection (POI) involving inverter-based resources (IBR).
illations The PSCAD simulation, in Figure 2 showing unstable oscillations at a connection point of two IBR plants shown in Figure 3 Figure 3: Example System to Illustrate Unstable Interactions 26 2024 10-Year System Outlook Report NSUARB I...
AI summary The document discusses challenges with PSCADTM and PSS®E models used for simulating power systems, particularly for IBR plants. Accurate models are essential for planning stable and secure operations, but obtaining working models has proven difficult, both for new interconnection customers and existing NSPI facilities.
27 2024 10-Year System Outlook Report NSUARB IR-15 Attachment 1 Page 37 of 60 Frequency Control and System Strength Assessment requirements and model quality checks to ensure models not only perform well in simulation but are an accurate r...
AI summary The document discusses the need for detailed PSCADTM simulations to address stability, fault ride-through, and RoCoF concerns when integrating power electronic-based equipment. It emphasizes the importance of EMT simulations over RMS platforms to uncover design issues and avoid project delays.
024 10-Year System Outlook Report NSUARB IR-15 Attachment 1 Page 41 of 60 Frequency Control and System Strength Assessment 5.4.4 Sub Synchronous Torsional Interaction Mechanical shafts of generators will undergo transient torque oscillatio...
AI summary This section discusses sub-synchronous torsional interaction (SSTI), focusing on how mechanical shafts of generators can experience transient torque oscillations due to network events such as system faults, transmission line switching, and series capacitor insertion. It also highlights the interaction between power electronic converters and generator shafts, which can lead to poorly damped mechanical oscillations, particularly in proximity to generating stations.