'Historical electricity risk curves' instances
This report publishes electricity risk curves (ERCs) against controlled storage over time. On 1 August 2019, the hydro risk curves (HRCs) changed to the ERCs and to include contingent storage in the presentation. The ERCs are published by the system operator and indicate the probability of energy shortage to the electricity system. These historical curves are available as presented to the market at the time.
List view options
Latest 24 months + 12 months and custom parameters
Date range: Latest 24 months + 12 months Effective date: Latest day
Region: New Zealand
Current calendar year, with time comparisons, custom parameters, and series selection
Date range: Current calendar year with comparisons for one, two, three, and four years earlier Effective date: Latest day
Region: New Zealand Series: Controlled storage
Latest 24 months + 12 months and custom parameters
Date range: Latest 24 months + 12 months Effective date: Latest day
Region: South Island
Current calendar year, with time comparisons, custom parameters, and series selection
Date range: Current calendar year with comparisons for one, two, three, and four years earlier Effective date: Latest day
Region: New Zealand Series: 10% risk
Latest 24 months + 12 months, custom parameters, and series selection
Date range: Latest 24 months + 12 months Effective date: Latest day
Region: New Zealand Series: 10 of 11 selected
Full range and default parameters
Date range: Full range Effective date: Latest day
Region: New Zealand
01 Jan 2018 - 31 Dec 2018, with time comparisons, custom parameters, and series selection
Date range: 01 Jan 2018 - 31 Dec 2018 (1 year) with comparisons for one, two, three, and four years earlier Effective date: 01 Jan 2018
Region: New Zealand Series: Controlled storage
Current calendar year, with time comparisons, custom parameters, and series selection
Date range: Current calendar year with comparisons for one, two, three, and four years earlier Effective date: Latest day
Region: South Island Series: Controlled storage
01 Jan 2018 - 31 Dec 2018, with time comparisons, custom parameters, and series selection
Date range: 01 Jan 2018 - 31 Dec 2018 (1 year) with comparisons for one, four, six, and seven years earlier Effective date: 02 Oct 2018
Region: New Zealand Series: Controlled storage
Full range, custom parameters, and series selection
Date range: Full range Effective date: Latest day
Region: New Zealand Series: 6 of 11 selected
