Question Mark

What are Reserves?

The Reserves (MW) chart compares the total reserve energy offered with the total reserve energy cleared. The reserves market provides a contingency source of energy for each island, i.e. both generation and interruptible load.

Note: The timestamp shown indicates the end of the trading period that the reserve data relates to.

 
21/11/17 11:30
Question Mark

What is Supply and Demand?

Demand data for the major load centres, being the 3 major cities and Tiwai, is shown on the left. Generation by fuel type/location is shown on the right. MW values are derived from the Transpower SCADA system and represent a single snapshot of the demand for the indicated 30min period. Note: The timestamp shown indicates the end of the trading period that this data relates to.

Note: Constraint information for this page is updated every 5 minutes. The timestamp shown indicates the end of the trading period that the price and constraint data relates to.

 
5172MW
  • Auckland
    913MW
  • Wellington
    295MW
  • Christchurch
    302MW
  • Tiwai
    570MW
  • 230MW
  • 101MW
  • No Data
  • 228MW
  • 782MW
  • 654MW
  • 171MW
  • 88MW
  • 741MW
  • 569MW
  • 4MW
  • 1231MW
21/11/17 11:00
Question Mark

What is Total NZ Demand?

The Total NZ Demand (MW) graph tracks the total New Zealand demand for today compared with the corresponding demand for the same day of the previous week. Demand generally peaks in the morning and again in the evening based on normal load patterns.

Note: The timestamp shown indicates the end of the trading period that the demand data relates to.

 
21/11/17 11:00
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