2. Summary

Identification of Potential Hydroelectric Resources

East Harbour Management Services

[ Last Updated 17 January 2006 ]

The following Table identifies, on a Regional basis, opportunities for hydroelectric development over the next 20 years with high and medium confidence levels.

Table 2: High to Medium Confidence Hydropower Opportunities by Region.
Region	MW	GWh p.a.	Number of Projects
Canterbury	910	4619	11
Otago	452	2124	9
West Coast	351	1546	7
Hawkes Bay	228	1001	8
Nelson-Marlborough	141	678	5
Wanganui - Manawatu	129	558	7
Bay of Plenty	86	402	6
Southland	65	350	1
Gisborne	37	163	3
Waikato	26	115	4
Taranaki	18	79	1
Wellington (including Wairarapa)	13	55	2
Northland	3	13	1
Grand Total	2460	11700	65

Table 3: High to Medium Confidence Hydropower Opportunities by Catchment.
Catchment Number & Name	MW	GWh (p.a.)	Number of Projects	% of GWh p.a.
#3 Waitaki	588	3,208	4	27.4%
#1 Clutha	412	1,950	5	16.7%
#14 Grey	351	1,546	7	13.2%
#23 Waiau (Canterbury)	236	1,030	4	8.8%
#21 Ngaruroro	134	585	5	5.0%
#5 Whanganui	110	476	5	4.1%
#18 Wairau	106	526	2	4.5%
#31 Hurunui	79	350	2	3.0%
#34 Mohaka	75	330	1	2.8%
#4 Waiau (Southland)	65	350	1	3.0%
#9 Taieri	40	174	4	1.5%
#29 Rangitaiki	38	193	2	1.6%
#53 Waiapu	37	163	3	1.4%
#339 Raukokore	33	143	2	1.2%
#2 Waikato	26	115	4	1.0%
#86 Patea	18	79	1	0.7%
#126 Waimea	16	70	1	0.6%
#22 Ruamahanga	13	55	2	0.5%
#54 Awatere	12	50	1	0.4%
#16 Wairoa (Hawkes Bay)	11	47	1	0.4%
#7 Manawatu	10	41	1	0.4%
#15 Rangitikei	9	41	1	0.4%
#33 Tukituki	9	39	1	0.3%
#48 Whakatane	9	39	1	0.3%
#106 Pelorus	7	32	1	0.3%
#51 Ashburton	7	31	1	0.3%
#116 Tarawera	6	27	1	0.2%
#19 Wairoa (Northland)	3	13	1	0.1%
Grand Total	2,460	11,700	65 Proposals	100%

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Printed: 24/11/2009