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Procedures
Title | Date | Description |
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Oct 19 | This document details how the System Operator prepares a report which recommends the causer of an under-frequency event as per Part 8, clause 8.60 of the ‘Code’. As part of this recommendation the System Operator calculates the ‘amount of MW lost’ in the under-frequency event. This amount is used, under Part 8, clause 8.64 of the ‘Code’, to calculate the amount payable by the causer of the under-frequency event. |
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Aug 16 | Used to provide a process for managing Asset Owners' requests to carry out asset testing while connected to the power system. |
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Feb 07 | This abridged document for third party asset owners provides an outline of the process to follow through commissioning and decommissioning. |
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Sep 10 | This process will be used by the System Operator to instruct Distributors to manually disconnect demand during grid emergencies where required. |
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Jul 20 | This document gives background information about the security constraint development process. It explains the SPD model and constraint types, and gives an overview of considerations around applying constraints. |
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Oct 19 | This procedure explains the process for:
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Feb 19 | This policy sets out the overall objective and principles that:
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Forms
Title/Link | Date | Description |
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Apr 04 | ACS spreadsheet for Grid Owners. |
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Jul 17 | ACS spreadsheet for Distributors. |
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Oct 10 | Used to notify the System Operator GXP demand shedding capability. |
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Aug 20 | Information required by the System Operator where a generator with the net output greater than 1 MW intends to connect to the grid or a local network. |
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Dec 16 |
This form must be completed for each generating plant that is intended to be offered on the market. |
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May 20 | This form must be completed for each GXP that a purchaser intends to submit bids for. |
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Feb 19 | Form to be used to notify the System Operator of Asset Testing of plant while connected to the power system. |
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Jul 20 | Form to be used to notify the System Operator of an Urgent Asset Capability Change of plant. |
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Feb 19 | This form must be completed for each dispatch-capable load station (DCLS) for which the purchaser is seeking approval/amending or withdrawing. |
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Sep 18 | The purpose of this list is to identify if a prospective DCLS participant has addressed all requirements necessary in order to apply to the System Operator to become a DCLS. |
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Sep 20 | Form to be used to notify the System Operator of Single Frequency Keeper Testing of plant while connected to the power system. |
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Jun 19 | Form to be used by participants to notify the System Operator of GXPs that the instantaneous demand change limit as defined in the policy statement clause 39.1 has the capability to be exceeded. |
Guides
Title | Date | Description |
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Oct 10 | This document gives an overview of what is required in an ACS and the timing of submission of data to the System Operator. |
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Sep 06 | High level scope of black start service test. |
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Oct 19 | Provides guidance on test objectives and the required test results for routine and commissioning tests for assets including those which are the subject of an ancillary services procurement contract. The guide outlines the types of tests that could be carried out to achieve the test objective and relevant standards and codes to assist asset owners. |
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Oct 19 | Provides guidance on test objectives and the required test results for routine and commissioning tests for assets including those which are the subject of an ancillary services procurement contract. The guide outlines the types of tests that could be carried out to achieve the test objective and relevant standards and codes to assist asset owners. |
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Sep 19 | Provides guidance on test objectives and the required test results for routine and commissioning tests for assets including those which are the subject of an ancillary services procurement contract. The guide outlines the types of tests that could be carried out to achieve the test objective and relevant standards and codes to assist asset owners. |
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Oct 10 | These guidelines cover the purpose, content, principles, forecast horizon, assumptions and assessment in system security forecasts. |
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May 19 | Standard three letter site abbreviations used by Transpower and the the type of site. |
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Aug 19 | This document exists in order to provide information to market participants on how dispatch instructions will be issued to an approved dispatch-capable load station (DCLS). |
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Apr 18 | This document is to assist purchasers obtain approval from the System Operator for a device or group of devices at a GXP to become a dispatch-capable load station (DCLS). |
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Nov 18 | This Companion Guide provides guidelines on typical activities that need to be considered when connecting and testing new generation, or when decommissioning generation. |
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May 20 | This document has been prepared to assist Asset Owners in understanding the requirements for developing mathematical models of equipment and their supporting information when required to be submitted to the System Operator. |
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Sep 19 |
Guideline to support connection and participation of utility scale Battery Energy Storage Systems (BESS) and inverter connected solar farms in the wholesale electricity market |
GL-RR-448 Resolving Infeasibilities and high spring washer price situation - An Overview | Oct 19 |
This document describes the process used by the System Operator to investigate and resolve infeasibilities and high spring washer price situations arising in Pricing Schedules (Pricing case). |
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Dec 20 | This procedure is to assist Transpower staff and employed consultants to comply with the obligations detailed in the 'Code', namely to identify, evaluate and manage any conflicts of interest. |
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Jan 21 | Provides an overview of the Energy Management System (EMS) Load Forecast tool, its major sources of data, processing and output. The output of the EMS Load Forecast tool is used as the basis of the Medium Term Load Forecast (MTLF) within the Market System. |
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Aug 19 | This document describes the process by which a Scarcity Pricing situation could eventuate, starting with the development of a Shortage Situation. |
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Jun 19 | Guide for demand customers to use to notify the System Operator where the maximum instantaneous demand change limit and net rates of change in offtake for electricity exceeds 40 MW per minute within each island or is more than a 75 MW change in any 5 minute period. |
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Aug 2019 | This is the user guide for the Web Services Dispatch Simulator (“the Simulator”). The Simulator is provided for testing of participants’ Web Services dispatch interfaces. The Simulator will send dispatch-like instructions automatically or manually to selected nodes configured to a Participant’s Dispatch Endpoint. The language in this User Guide assumes detailed technical knowledge of Dispatch System concepts. |