MONTHLY ELECTRICITY STATISTICS, March 2007 - 25

NEW ZEALAND

GWh

Mar/07

Mar/06

The last 3 months

Year-to-Date

Past Year

% change

Dec/06

Jan/07

Feb/07

Jan-Mar 2007

% change

2006

+ Combustible Fuels

1 214

-11.5%

753

670

878

2 762

-24.0%

14 545

35.0%

+ Nuclear

0.0%

+ Hydro

1 918

9.7%

2 167

2 276

1 936

6 130

20.9%

23 221

55.9%

+ Geoth./Wind/Solar/Other

339

15.7%

332

302

276

917

2.6%

3 797

9.1%

= Indigenous Production

3 471

1.7%

3 252

3 248

3 090

9 809

2.2%

41 563

100.0%

+ Imports

0.0%

- Exports

0.0%

= Electricity Supplied

3 471

1.7%

3 252

3 248

3 090

9 809

2.2%

41 563

Period

Date

- Electricity production was 3 471 GWh in March 2007.

- This was higher by 57 GWh, or 1.7 %, compared to March 2006.

- This was an increase of 381 GWh, or 12.3 %, compared to the previous month.

- Combustible Fuels production showed the most significant percentage change compared to the previous month with

an increase of 38.3 %, or 336 GWh.

- Total production for the year-to-date was 9 809 GWh. Comparing this to the same period last year shows that:

- Total production was higher by 212 GWh, or 2.2 %.

- Combustible Fuels production showed the largest percentage change by fuel type, being 24 % lower.

Electricity Production Compared to Previous Year

'Year to Date' Comparison of Production by Fuel Type

COUNTRY NOTES:

Monthly electricity production is estimated by the IEA Secretariat submission by the National Administration, which covers

output from major generators including state-owned enterprises (about 80-85% of New Zealand's generation).

INTERNATIONAL ENERGY AGENCY