2021 Investor Day Presentation
Smelter demand response
Manapouri, Clutha, Waitaki, & Waikato Storage Versus Dry Year Trigger (09-May-2021)
■ Under the NZAS contract, Meridian can by notice Smelter Demand Response
to NZAS require a Smelter Demand Response
(SDR) when the relevant hydro storage is less
than the Dry Year Trigger Level
■ If Meridian gives NZAS an SDR notice, NZAS must
start to reduce electricity consumption by a date
specified by Meridian which must be between 14
and 40 days after NZAS's receipt of Meridian's
notice
Under an SDR, NZAS must manage its electricity
consumption to achieve a reduction in electricity
consumption of 250GWh over 130 days
2500
2000
[GWh]
With all material reductions in load occurring
within 7 days of the date that NZAS is required to
start reducing consumption
1500
1000
500
0
2-May-21
3-May-21
4-May-21
5-May-21
6-May-21
7-May-21
8-May-21
9-May-21
10-May-21
11-May-21
12-May-21
13-May-21
14-May-21
15-May-21
16-May-21
17-May-21
18-May-21
19-May-21
20-May-21
21-May-21
22-May-21
23-May-21
28-Apr-21
29-Apr-21
30-Apr-21
1-May-21
27-Apr-21
26-Apr-21
Manapouri, Clutha, Waitaki & Walkato Storage
Dry Year Trigger
Source: Meridian
As at 10 May, relevant hydro storage sat
101GWh above the Dry Year Trigger Level
11 MAY 2021 | 2021 INVESTOR DAY PRESENTATION
Meridian.
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