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… to the customers connected and that value of lost load (VoLL) is a recognised and quantifiable method for estimate … supplying a large amount of electricity, or having a high VoLL would be categorised in a higher category. This is a … GXP may have a reasonably low offtake but will have a high VoLL as it supplies the Maui gas distribution station. …

… by Transpower regarding the Value of Lost Load (VoLL) in the upper South Island, Infratec would be interested in understanding the following:  Why VoLL for shorter outages was higher than those for longer … on the value of the service to the customers connected. VOLL is a recognised and quantifiable method for estimating …

… Benefits = Probability of event × (Unserved Energy × VoLL + Repair costs) We consider the following events and … Gabrielle unserved energy x monthly growth factor t ) x VoLL + cost of repair The risk in any given year is given by … 59.4 62.0 63.1 61.6 7% discount 23.9 24.9 25.5 24.9 low VoLL $20K 22.1 23.0 23.5 23.0 High VoLL $50K 53.5 55.7 56.9 …

… EXPECTED UNSERVED ENERGY FOR THIS ANALYSIS? No The original VoLL figure of $20,000/MWh is a value averaged for the … studies around the world have come up with much higher VoLL figures for the commercial sector than the other … CBD, Wellington Electricity is of the opinion that a VoLL of $26,000/MWh is not sufficient and should be …

… set energy scarcity prices at values consistent with 2018 VoLL ($17,000/MWh, $25,000/MWh and Yes. We note the role of … Refer PWC Estimating the Value of Lost Load.pdf, Transpower VoLL Study June 2018 … the Authority indicates in Option 2 it will review the VOLL however this is not indicated for Option 3. We consider …

… investigation? Yes Question 7: Do you consider that our VoLL values of $26,400/MWh for Bombay and $27,800/MWh for … for valuing unserved energy? We suggest caution in using VoLL to make decisions. VoLL uses broad assumptions to derive values and as a result …

… outage at that POS, as measured by the Value of Lost Load (VoLL). The Electricity Industry Participation Code 2010 (Code)4 specifies that VoLL is $20,000/MWh. However, we are aware that more recent … the Electricity Authority has concluded that: 1. A single VoLL figure is an inappropriate measure of the value that …

… for this investigation? Yes 10. Do you consider this VoLL ($26,200/MWh) appropriate for valuing unserved energy? VoLL of $26,200/MWh may be appropriate for general … Methanex is prepared to discuss a more appropriate Methanex VoLL with Transpower however agreement to strict …

… not be based on a single or small number of generalised VoLL estimates. 2.5 Simple method design The simple method … the BBC? We agree with Transpower’s comments on the use of VoLL in assessing reliability benefits at: • Paragraph 229 note that VoLL varies depending on the customer on the customers …

… grid reconfiguration options. Terms used in this document VoLL (value of lost load)6 VoLL is the economic value of unserved amount of electricity … or more components of the electricity grid. The value of VoLL in the Code is $20,000 / MWh. Expected unserved energy …