Previous Market Matters

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2018 2017        
Report
The effect of wind generation on energy prices 25th and 27th July [ pdf 433.32 KB ] 8 August 2018
What caused very high prices for 12 June 2018 and why were they not forecast [ pdf 541.54 KB ] 20 June 2018

Price Spikes and Price Stacks [ pdf 670.9 KB ]

8 May 2018
Amending Modulation Risk to manage system security [ pdf 531.88 KB ] 2 May 2018
Hawkes Bay High Prices 21 February 2018 [ pdf 591.28 KB ]  16 March 2018
Market Spotlight 2017 the year that was [ pdf 559.22 KB ] 18 January 2018
High Prices [ pdf 560.89 KB ] 18 December 2017
HVDC Outage [ pdf 576.3 KB ] 1 December 2017
Maraetai birds contingent event [ pdf 674.81 KB ] 24 November 2017
Management of North Island Over Frequency Risk [ pdf 390.51 KB ] 10 November 2017
Market impact of reserve sharing [ pdf 718.8 KB ] 2 August 2017
Further pricing details for the 12th to 15th July 2017 [ pdf 686.4 KB ] 31 July 2017
How the HVDC transfer sticky point at 22.5MW occurs and how it affects the market.pdf [ pdf 821.04 KB ] 12 July 2017