Topic:"Generator Interconnection" in M03632

22 Q. PLEASE DESCRIBE NSPI'S INTERCONNECTION PROCESS AND REQUIREMENTS. 23 A. NSPI has separate interconnection processes for generators under 100 kW and over 24 100 kW. For projects under 100 kW, there is no application fee and the interco...

AI summary NSPI has distinct interconnection processes for generators under and over 100 kW. Projects under 100 kW have no application fee and are handled like service connections, but the generator is responsible for on-site equipment and distribution system upgrades. NSPI provides cost estimates for its owned equipment, but not for customer-owned equipment.

34 1 For generators over 100 kW, it is useful to consider interconnection costs in the following 2 four categories. 3 • Required studies 4 • On site equipment 5 • Line extension 6 • Distribution system upgrades 7 Two studies are required f...

AI summary The document outlines the interconnection costs for generators over 100 kW, categorizing them into required studies, on-site equipment, line extensions, and distribution system upgrades. Costs for studies and equipment are detailed, with line extensions costing $55,000 per kW and system upgrades ranging from $0 to $857,000. Exhibit E is referenced for tariff proposals.

3.2 Power Connections The technical requirements of the electrical connections to the Nova Scotia Power grid are detailed in the attachments: - 1. Distribution Generator Interconnection Process - 2. STANDARD SMALL GENERATOR INTERCONNECTION...

AI summary The technical requirements for connecting to the Nova Scotia Power grid are outlined in three attachments, including interconnection processes, agreements, and loss factor information.

5.3 Turbine/Generator System The selected option analysis was based on a condensing multistage turbine operating with the following conditions: - Multi-stage steam turbine - Dresser-Rand or equal T&T valve - Controlled extraction opening w...

AI summary The document details the technical specifications of a condensing multistage turbine and associated generator system, including components such as valves, governors, insulation, and control systems.

TERMINAL POINTS - Air and flue gas from the inlet of the FD fan to the outlet of the ID fan - Fuel at the inlet to the wind swept spouts - Bottom ash at the exit of the hopper flanges - Flyash at the hopper flange outlets - Gas burner at t...

AI summary The text lists various terminal points in a power generation system, including locations for air, flue gas, fuel, ash, and piping connections. These points are likely part of a technical specification or regulatory filing related to equipment operation and compliance.

- 1. Turbine generator price includes: - Multi-stage steam turbine - Dresser-Rand or equal T&T valve - Controlled extraction opening with non-return valve - Overspeed trip, solenoid trip, low oil pressure trip - Woodward DG-505E or equal g...

AI summary The text outlines the components included in the price of a turbine generator, specifying various parts such as the multi-stage steam turbine, valves, governor, insulation, condensers, and control systems. It details the technical specifications and equipment required for the turbine generator setup.

6 Q: When tariff language is developed, what provisions should be included? - 7 A: The tariff should limit eligibility to projects that meet or exceed the following 8 requirements: - 9 approval from the Energy Minister, - 10 the requiremen...

AI summary The response outlines provisions for tariff language, including eligibility requirements such as approval from the Energy Minister, compliance with Renewable Electricity Regulations, and limits on tidal power under the COMFIT rate. It also references examples of tidal turbine sizes and compares the rate impacts of tidal and small wind generation.

Exhibit A – Information Provided to Seaforth Energy from Synapse regarding the Interconnection Costs Estimate from Nova Scotia Power 1 For projects less than 50 kW, the typical NSPI facilities required (and therefore the costs) can vary gr...

AI summary The document outlines the typical Nova Scotia Power Inc. (NSPI) facilities and associated costs for interconnecting small and larger wind generation projects. It details the required infrastructure and estimated costs for projects under 10 kW and over 20 kW.

Technical Inputs Technical inputs include all aspects of installation, interconnection, production, operation, and maintenance of renewable energy projects. The following contains discussion and recommendations for specific inputs into the...

AI summary The document discusses technical inputs related to renewable energy projects, including installation, interconnection, production, operation, and maintenance, and provides recommendations for inputs into the FIT calculator.

Interconnection Costs Scotian WindFields Inc strongly believes that the assumptions for interconnection of small wind turbines are too low. While the figures provided by NS Power provide an indication of what is required at the point of in...

AI summary Scotian WindFields Inc argues that the current interconnection cost assumptions for small wind turbines are too low, as they do not account for the electrical connection distance between the turbine and the grid. They recommend increasing the interconnection cost for 50kW turbines from $13,300 to $21,550.

Electrical, Instrumentation/Controls: - One lot of electrical power equipment - One lot of electrical installation labor and materials including all required cable tray, cable, and conduit. - One (1) Allen-Bradley ControlLogix PLC-based co...

AI summary The document outlines the components required for electrical and instrumentation/control systems, including power equipment, installation labor, PLC-based control systems, and field instrumentation devices.

Electrical, Instrumentation/Controls: - One lot of electrical power equipment - One lot of electrical installation labor and materials including all required cable tray, cable, and conduit. - One (1) Allen-Bradley ControlLogix PLC-based co...

AI summary The document outlines the components required for electrical and instrumentation/control systems, including power equipment, installation labor, PLC-based control systems, and field instrumentation devices.

ANSS IR 9. Reference pp.8‐9 Interconnection costs - (a) Why has Synapse assumed that biomass CHP plants will be located on facilities that are currently connected to the distribution system? - Answer: In the case of a wind, hydro or tidal...

AI summary Synapse discusses assumptions about interconnection costs for biomass CHP plants, noting that unlike renewable projects, biomass CHP can be located near existing grid connections. Synapse cites a lower interconnection cost for biomass CHP due to the assumption that these plants are built on existing grid-connected facilities. Synapse also mentions that NSPI was consulted and has provided feedback on interconnection cost estimates.

4A (1) A public utility shall - (a) permit generators that qualify under this Section to connect a renewable low-impact electricity-generation facility to its electrical grid in the manner provided by the regulations; and - (b) pay for the...

AI summary This section outlines the obligations of a public utility regarding the connection and payment for renewable low-impact electricity-generation facilities. It specifies that the utility must permit such connections and pay according to tariffs set by the Board, which must consider matters outlined in the regulations.

[195] Synapse further verified the model it had used under Board questioning: - Q: Yeah. Sorry, I just want to get clarification. So that your base model, which is 100 PSI - A: Yes. - Q: is that a Class 3? - A: It's a Class 3 plant. - Q: S...

AI summary The transcript discusses a question and answer session where Synapse clarifies the classification of a power plant based on its pressure and steam requirements, confirming that a 100 PSI plant is Class 3, while a 600 PSI plant used for CHP is Class 2.

[286] The Board adopted the following tariffs recommended by Synapse for the five classes of renewable low-impact electricity noted below, with the changes as directed by the Board in this Decision: - Wind power projects greater than 50 kW...

AI summary The Nova Scotia Utility and Review Board has approved specific tariffs for various renewable energy projects, including wind, biomass, and tidal power, with adjustments to the proposed rates. The COMFIT program is subject to annual reporting requirements and a review after three years. NSPI and municipal utilities are directed to provide publicly available information on generation interconnection capacity.

IT IS FURTHER ORDERED that: - a) The Board will conduct a review of all the tariffs in three years; - b) Nova Scotia Power Inc. ("NSPI") and the municipal electric utilities are directed to develop and maintain a resource of publicly avail...

AI summary The Board has ordered a review of all tariffs in three years and directed Nova Scotia Power Inc. and municipal electric utilities to provide publicly available information on generation interconnection capacity and to submit annual reports on COMFIT program activity.

AVAILABILITY The tariffis available to electricity generating facilities that: - (1) have been approved by the Nova Scotia Department ofEnergy as eligible for this tariff; - (2) are interconnected at distribution voltage level (i.e., less...

AI summary The tariff is available to electricity generating facilities approved by the Nova Scotia Department of Energy, interconnected at distribution voltage level, with a signed PPA, and not exceeding the substation transformer's minimum load capacity.

AVAILABILITY The tariff is available to electricity generating facilities that: - (1) have been approved by the Nova Scotia Department ofEnergy as eligible for this tariff; - (2) are interconnected at distribution voltage level (i.e., less...

AI summary The tariff is available to electricity generating facilities that meet specific criteria, including approval by the Nova Scotia Department of Energy, interconnection at distribution voltage level, signing a PPA with the utility, and not exceeding the substation transformer's load capacity.

AVAILABILITY The tariffis available to electricity generating facilities that: - (1) have been approved by the Nova Scotia Department ofEnergy as eligible for this tariff; - (2) are interconnected at distribution voltage level (i.e., less...

AI summary The tariff is available to electricity generating facilities that meet specific criteria, including approval by the Nova Scotia Department of Energy, interconnection at distribution voltage level, signing a PPA with the utility, and not exceeding the substation transformer's capacity.

AVAILABILITY The tariff is available to electricity generating facilities that: - (1) have been approved by the Nova Scotia Department ofEnergy as eligible for this tariff; - (2) are interconnected at distribution voltage level (i.e., less...

AI summary The tariff is available to electricity generating facilities that meet specific criteria, including eligibility approval, interconnection voltage level, tidal generating device size, a signed PPA with the utility, and generation limits relative to substation transformer capacity.

3.2 Transmission Interconnection to the transmission system will be at the distribution level which is considered to be all electrical transmission below 69kV. Only distribution interconnected projects are permitted under the COMFIT regula...

AI summary Interconnection to the transmission system in Nova Scotia occurs at the distribution level below 69kV. Only distribution interconnected projects are allowed under COMFIT regulations. The local utility estimates an average interconnection cost of $175,000, which can be used for assessing overall capital costs.

4.4 Plant Operating Parameters The study should provide information on the electrical generation capacity of the power plant under varying process heat load conditions. If possible, a curve should be provided demonstrating generator output...

AI summary The study should evaluate the electrical generation capacity of a power plant under varying process heat load conditions, including capacity factors, power output, heat rates, efficiencies, and system diagrams. It should also analyze parasitic power, water consumption, and process steam parameters.

- (c) it must interconnect with the electrical grid through a distribution system; - (d) subject to clauses (e) and (f), it must be located in the Province; - (e) if it is wholly owned by a municipality or a wholly owned subsidiary of a mu...

AI summary The text outlines requirements for interconnecting generation facilities with the electrical grid, ownership criteria, and feed-in tariff approval processes. It also mentions the establishment of an Environmental Performance Standard by the Minister of Energy.

4A (1) A public utility shall - (a) permit generators that qualify under this Section to connect a renewable low-impact electricity-generation facility to its electrical grid in the manner provided by the regulations; and - (b) pay for the...

AI summary This section outlines the obligations of a public utility regarding the connection and payment for renewable low-impact electricity-generation facilities. It specifies that the utility must permit qualified generators to connect to the grid and pay for the electricity generated according to a tariff set by the Board, which may be requested by the Governor in Council.

- [19] While there is no overall limit expressed in the Regulations, the Province indicated in its Renewable Electricity Plan that it expects about 100 MW of distribution grid capacity will be used by COMFIT projects. - [20] It is noted th...

AI summary The document discusses the Renewable Electricity Regulations, specifically the COMFIT mechanism, which sets tariffs for community-based renewable generation facilities. It outlines the distribution grid capacity expectations, interconnection requirements, and the factors considered in determining COMFIT tariffs.

his approach may be an increase of wind turbine R&D in Nova Scotia to improve small wind turbines and associated projects to attain an improved capacity factor. [Seaforth Evidence, Exhibit B-7, p. 2] - [124] Scotian WindFields agreed that...

AI summary The text discusses various financial and operational considerations for small wind projects in Nova Scotia, including R&D investments, O&M costs, and interconnection expenses. Intervenors such as Scotian WindFields and Seaforth have raised concerns over underestimated costs and suggested adjustments for more accurate assumptions.

8.2 Findings [130] With respect to the capacity factor, Synapse proposed a rate of 23%. The Board considers Seaforth's comments to be reasonable in terms of supporting the 23% recommendation. Based on its review of the evidence, the Board...

AI summary The Board accepts Synapse's proposed tariff for small wind projects but adjusts the capacity factor, interconnection costs, and O&M expenses based on evidence from Seaforth, Scotian WindFields, and small wind operators. Adjustments include increasing the capacity factor to 23%, interconnection costs to $21,550, and O&M expenses to $4,500 per year.

[195] Synapse further verified the model it had used under Board questioning: - Q: Yeah. Sorry, I just want to get clarification. So that your base model, which is 100 PSI - A: Yes. - Q: is that a Class 3? - A: It's a Class 3 plant. - Q: S...

AI summary In a regulatory proceeding, Synapse confirms that its base model is a Class 3 plant, and clarifies that a CHP plant operating at 600 PSI would be classified as Class 2. This discussion occurs during Board questioning.

[286] The Board adopted the following tariffs recommended by Synapse for the five classes of renewable low-impact electricity noted below, with the changes as directed by the Board in this Decision: - Wind power projects greater than 50 kW...

AI summary The Board approved Synapse's recommended tariffs for various renewable energy projects, with specific adjustments. The tariffs are set for 20 years, and a review of COMFIT tariffs is scheduled in three years. NSPI and municipal electric utilities are directed to provide publicly available information on generation interconnection capacity and file annual reports on COMFIT program participants.

Page 2 Large Wind 8-2-11 no tax Nov a S ia C OM FIT Mo del cot Ca sh Flo w W ork she Bot et: tom Syn e C aps lian om p ce Lar Win ge d n o ta x Interconnection $209,000

AI summary The document includes a table with a row labeled 'Interconnection' and a value of $209,000. The context suggests this may relate to costs associated with interconnecting a large wind project, though no further details are provided.

AVAILABILITY The tariff is available to electricity generating facilities that: - (1) have been approved by the Nova Scotia Department ofEnergy as eligible for this tariff; - (2) are interconnected at distribution voltage level (i.e., less...

AI summary The tariff is available to electricity generating facilities that meet specific criteria, including approval by the Nova Scotia Department of Energy, interconnection at distribution voltage level, signing a PPA with the utility, and not exceeding the minimum load on the substations serving the feeder.

AVAILABILITY The tariff is available to electricity generating facilities that: - (1) have been approved by the Nova Scotia Department of Energy as eligible for this tariff; - (2) are interconnected at distribution voltage level (i.e., les...

AI summary The tariff is available to electricity generating facilities that meet specific criteria, including approval by the Nova Scotia Department of Energy, interconnection at distribution voltage level, signing a Power Purchase Agreement with the utility, and not exceeding the minimum load on the substations serving the feeder.

TARIFF TERM A generating facility is eligible to receive payments for a period up to 20 years from the date on which the Power Purchase Agreement is deemed effective (the date that NSPI places the applicant into the interconnection queue).

AI summary Generating facilities can receive payments for up to 20 years from the date the Power Purchase Agreement is deemed effective, which is when NSPI places the applicant into the interconnection queue.

TARIFF TERM A generating facility is eligible to receive payments for a period up to 20 years from the date on which the Power Purchase Agreement is deemed effective (the date that NSPI places the applicant into the interconnection queue).

AI summary Generating facilities can receive payments for up to 20 years from the date the Power Purchase Agreement is deemed effective, which occurs when NSPI places the applicant into the interconnection queue.

IT IS FURTHER ORDERED that: - a) The Board will conduct a review of all the tariffs in three years; - b) Nova Scotia Power Inc. ("NSPI") and the municipal electric utilities are directed to develop and maintain a resource of publicly avail...

AI summary The Board orders a review of tariffs every three years and requires NSPI and municipal utilities to maintain and report on publicly available information about generation interconnection capacity and COMFIT program activity.

AVAILABILITY The tariffis available to electricity generating facilities that: - (1) have been approved by the Nova Scotia Department ofEnergy as eligible for this tariff; - (2) are interconnected at distribution voltage level (i.e., less...

AI summary The tariff is available to electricity generating facilities that meet specific criteria including approval by the Nova Scotia Department of Energy, interconnection at distribution voltage level, signing a PPA with the utility, and not exceeding the substation transformer's capacity.

AVAILABILITY The tariff is available to electricity generating facilities that: - (1) have been approved by the Nova Scotia Department ofEnergy as eligible for this tariff; - (2) are interconnected at distribution voltage level (i.e., less...

AI summary The tariff is available to electricity generating facilities that meet specific criteria, including approval by the Nova Scotia Department of Energy, interconnection at distribution voltage level, signing a PPA with the utility, and not exceeding the substation transformer's capacity.

AVAILABILITY The tariff is available to electricity generating facilities that: - (1) have been approved by the Nova Scotia Department ofEnergy as eligible for this tariff; - (2) are interconnected at distribution voltage level (i.e., less...

AI summary The tariff is available to electricity generating facilities that meet specific criteria, including approval by the Nova Scotia Department of Energy, interconnection at distribution voltage level, use of tidal generating devices under 0.5 MW, signing a PPA, and not exceeding the substation transformer's capacity.

September 30, 2011 Nancy McNeil Regulatory Affairs Officer/Clerk Nova Scotia Utility and Review Board 1601 Lower Water Street, 3rd Floor P.O. Box 1692, Unit "M" Halifax, NS B3J 3S3 Re: Renewable Energy Feed In Tariffs – BRD-E-R-10 / Matter...

AI summary Nova Scotia Power has developed an interactive web-based tool to identify available capacity for COMFIT generation interconnection at each substation. The tool includes a map and tabular data for user convenience and is submitted for the Utility and Review Board's review and approval.

ntended to serve as guidance to Project Developers in the preliminary selection of possible generator interconnection sites. This information is subject to the following conditions and considerations: - Varying conditions among distributio...

AI summary This document provides guidance for Project Developers on selecting generator interconnection sites, highlighting that COMFIT generation capacity figures are based on historical load data and may change due to system updates. The interactive map is a tool for visualizing substation locations but does not replace formal studies.

Renewable Energy Community Feed-in Tariffs - BRD-E-R-10 I Matter No. M04523 In its Decision 2011 NSUARB 100 dated July 4, 2011 on the above-noted matter, the Board directed Nova Scotia Power Inc. ("NSPI") to: [258] ... develop and maintain...

AI summary The Board directed Nova Scotia Power Inc. to develop a publicly available resource identifying available generation interconnection capacity at each substation. NSPI responded by creating an interactive, web-based map tool to display this information, hosted on its public website.

- two wind Excel files as we go through various questions I - have this morning. - Exhibit D refers to information - provided by Nova Scotia Power regarding interconnection - costs of wind projects. In Section 2, Letter B which - refers to...

AI summary The text discusses interconnection costs for small wind projects in Nova Scotia, referencing Nova Scotia Power's equipment costs and line extension costs. It highlights estimated costs for projects under 50 kilowatts and over 20 kilowatts, including a specific figure of approximately $10,000 for equipment and $55,000 per kilometre for line extensions.

- interconnection specifically of which side of the - transformer the meter will be on is a significant unknown. - I mean, it's up to 5 percent. That's 5 percent of - revenue. It's a direct effect on revenue. - THE CHAIR: I guess what I'm...

AI summary The discussion focuses on the uncertainty regarding the location of a meter on a transformer and its impact on revenue, as well as the importance of accounting for losses in capacity factor models used by Nova Scotia Power.

- information that a party to the proceeding has. - MR. BARRY: Yeah, I was no problem. - Yeah. - On the Exhibit D and Exhibit E and - this is to the interconnection costs; this would be in - roughly page 48 I believe of your submission you...

AI summary The discussion revolves around a typographical error in Exhibit E, which incorrectly lists interconnection costs. The speaker acknowledges the error and proposes resubmitting a corrected version of the exhibit to align the row labels with the actual data.

- DICTUM DIGITAL INC. CERTIFIED COURT REPORTERS some cases you have to a million dollars on a system NSUARB-BRD-E-R.10 Page 615 impact study, you can identify these kinds of constraints right up front at very low cost. If they're deal kill...

AI summary The discussion highlights concerns about the risks and costs associated with projects failing to connect after passing initial screening, referencing Nova Scotia Power's concerns about connecting even small projects and the lack of regulatory requirements for timely connections under COMFIT.

Nova Scotia Power. Page 930 NSUARB-BRD-E-R.10 10 in the COMFIT, that not everybody is going to qualify, not 11 everybody is going to make it, financially. 12 I certainly wouldn't suggest that the 13 capacity factor for large wind be set at...

AI summary Nova Scotia Power discusses the Community Feed-in Tariff (COMFIT) and the capacity factor for wind projects. The discussion focuses on setting a realistic capacity factor that allows participation from many parts of the grid, rather than limiting it to the best sites. The conversation highlights concerns about grid connection availability and the performance of existing wind projects.

- percent. NSUARB-BRD-E-R.10 Page 1029 1 And of course, NSPI's revenue base 2 will be changing over time as well, so these numbers are 3 based on a snapshot as if the entire COMFIT came in 4 immediately. This increase would be spread out o...

AI summary The discussion revolves around NSPI's revenue base and the impact of the COMFIT program, with references to past project failures related to transmission studies. A cross-examination is taking place regarding failed RFP projects and transmission study constraints.

membership first. 1 Page 1054 NSUARB-BRD-E-R.10 Scotian Windfields, Mr. Roscoe? 2 CROSS-EXAMINATION BY MR. ROSCOE 3 MR. ROSCOE: Thank you, Your Honour. 4 Good morning, or good afternoon, 5 Mr. Levy. 6 I have a couple of specific questions...

AI summary The text is an excerpt from a regulatory proceeding where Mr. Roscoe is cross-examining Mr. Levy regarding interconnection costs and assumptions made by Scotian WindFields. Mr. Levy states that he has reviewed the evidence and finds the assumptions reasonable, given his experience in the region.

- through the RFP process, and I guess we you could say - that in some senses I was I didn't reach a comfort - level that I was willing go back and get local investors - to invest. - On that issue for a second, I did a - trial run through...

AI summary The speaker discusses a trial run through the RFP process for the Broad River project, highlighting the feasibility of reversing a transformer to supply local demand and feed back into the transmission system. The project involved a 1.2 megawatt substation and a nearby dam located just two kilometers away.

- into the transmission system, surpluses. 1 Page 1356 NSUARB-BRD-E-R.10 But it turned out that that 2 transformer was an older type and it could not do that, 3 but there are some transformers in the province that could 4 have done that. S...

AI summary The discussion revolves around a transformer's capability to interface with the transmission system, highlighting discrepancies in how it was assessed under different processes. The transformer could only handle a small load under one process but had potential for higher capacity under another, creating confusion in project planning.