TPM Q&As

Questions sent to us by stakeholders related to implementing the new TPM can be found here. Read this summary document or view the questions and answers listed by reverse chronology below (the most recent questions and answers appear first). 

Do you you have a question for our TPM implementation team?

Email us at tpm@transpower.co.nz. You may also find the answer to a question in our short Guide to the new TPM.

06 Oct 22 (anonymous) - CUWLP BBI covered cost [ pdf 93.42 KB ]
04 Oct 22 (anonymous) - High level overview of TPM [ pdf 90.27 KB ]
30 Sep 22 (anonymous) - Future charges under new TPM for injection at GXPs [ pdf 103.48 KB ]
29 Sep 22 (anonymous) - Prudent Discount [ pdf 96.6 KB ]
29 Sep 22 (anonymous) - Updates to connection asset replacement costs [ pdf 100.6 KB ]
23 Sep 22 (anonymous) - Publications about the TPM [ pdf 100.16 KB ]
12 Sep 22 (anonymous) - Transpower's allowable revenue increase to PY2023/24 [ pdf 104.45 KB ]
12 Sep 22 (MEUG) - BBC adjustments when a large plant connects at EDB level [ pdf 118.43 KB ]
25 Aug 22 (Electra) - How will the new TPM work? [ pdf 142.78 KB ]
08 Aug 22 (Meridian) - Asset replacement costs consultation [ pdf 88.99 KB ]
05 Aug 22 (Meridian) - Draft assumptions book consultation [ pdf 92.42 KB ]
05 Aug 22 (independent consultant) - Connection assets and info sheet [ pdf 109.77 KB ]
28 Jul 22 (Electricity Networks Association) - Transpower CUWLP options analysis [ pdf 147.23 KB ]
29 Jun 22 (Manawa Energy) - TPM indicative pricing [ pdf 114.24 KB ]
15 Jun 22 (Network Tasman) - TPM data [ pdf 115.06 KB ]
07 Jun 22 (Northpower) - Prudent discount - how recovered [ pdf 181.79 KB ]
01 Jun 22 (IEGA) - BBC approach [ pdf 99.61 KB ]
01 Jun 22 (Horizon Energy) - RCPD [ pdf 95.35 KB ]
27 May 22 (ENA) - Opex in residual and adjustments when load terminates [ pdf 112.8 KB ]
26 May 22 (Northpower) - CUWLP BBI consultation (see excel spreadsheet just below) [ pdf 117.99 KB ]
26 May 22 (Northpower) - CUWLP BBI consultation individual customer allocations by scenario [ xlsx 53.42 KB ]
26 May 22 (Unison) - CUWLP BBI consultation [ pdf 169.76 KB ]
19 May 22 (South Island EDB CEs) - Various TPM topics [ pdf 216.05 KB ]
19 May 22 (Powernet) - Impact of new large load on residual charges [ pdf 108.12 KB ]
19 May 22 (Meridian) - The set of assets comprising the HVDC BBI [ pdf 99.7 KB ]
13 May 22 (Mercury) - Draft Assumptions Book [ pdf 115.61 KB ]
11 May 22 (IEGA) - Draft Assumptions Book [ pdf 234.14 KB ]
11 May 22 (Contact) - HVDC Charge in the TPM [ pdf 112.28 KB ]
11 May 22 (Pioneer Energy) - draft assumptions book inflow files for Matiri and Upper Fraser [ pdf 154.1 KB ]
10 May 22 (IEGA) - TPM implications for embedded generation [ pdf 109.58 KB ]
05 May 22 (Lodestone Energy) - Embedded generators Q2 [ pdf 97.81 KB ]
05 May 22 (Lodestone Energy) - Embedded generators Q1 [ pdf 145.52 KB ]
26 April 22 (New Zealand Steel) - Transmission charges for 1 April 2023 [ pdf 105.79 KB ]