Resources

… This is traditionally termed the “value of lost load” (or VoLL) in New Zealand. There are limits on the usefulness of VoLL information (most of our grid connection points serve a … but it is worth investigating whether we can use better VoLL information to improve the economic basis for our …

… by customer category GP1 Categorisation to be aligned with VoLL Average duration of unplanned interruptions by customer … category (min/yr) GP2 Categorisation to be aligned with VoLL Availability % availability of HVDC AP1 Refined to …

… factors that go into determining the Value of lost load (Voll) for each customer classification and geographical … Our assumption in this report is based on the 2013 EA Voll Survey6 Table 1. Refer to Appendix for a break-down by … - Report on methodology and key findings, 23 July 2013 VOLL: http://www.ea.govt.nz/dmsdocument/15385 …

… factors that go into determining the Value of lost load (Voll) for each customer classification and geographical … Our assumption in this report is based on the 2013 EA Voll Survey6 Table 1. Refer to Appendix for a break-down by … - Report on methodology and key findings, 23 July 2013 VOLL: http://www.ea.govt.nz/dmsdocument/15385 …

… Economic Consequence” sub- category after we revisited the VoLL information. This update is reflected in Appendix 1. 1 … the POSs at HUI and MNI. At HUI, the value of lost load (VoLL) was based on the assumption that consumption is split … plant, which if taken into account would result in a higher VoLL. With this higher VoLL, the economic consequence of HUI …

… Economic Consequence” sub- category after we revisited the VoLL information. This update is reflected in Appendix 1. 1 … the POSs at HUI and MNI. At HUI, the value of lost load (VoLL) was based on the assumption that consumption is split … plant, which if taken into account would result in a higher VoLL. With this higher VoLL, the economic consequence of HUI …

… we are considering a more quantitative approach based on: – VoLL x average energy being supplied. • Advantages of … energy differences between POS while still recognising that VoLL may vary for different loads being supplied. – More …

… high-voltage electricity network (the national grid). VOLL Value of lost load – equivalent to the value of … Value of expected unserved energy The Value of Lost Load (VoLL, also known as Value of Expected Unserved Energy) is … investigation? Question 8: Do you consider this VoLL ($25,300/MWh) appropriate for valuing unserved energy? …

… Benefits = Probability of event × (Unserved Energy × VoLL + Repair costs) We consider the following events and … outage, with 8 hours valued at the full Value of Lost Load (VoLL) and the remained at 20% of the value of unserved … cost: HILP event cost = Average(Demand profile ∗ Filter) × VoLL + Repair cost The risk is given by the annual expected …

… requirements, Regional network model, Value of lost load (VoLL) Assumption Book on a time bound review and … Load Forecast, Generation Forecast, Value of Lost Load (VOLL), Value of Foregone Generation (VOFG) Power Systems … volume used for both load and generation. Load valued at VoLL, generation at VoFG 0% X% 100% Demand limit after …