MONTHLY ELECTRICITY STATISTICS, March 2007 - 35

UNITED STATES

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

247 421

9.0%

241 444

249 574

237 063

734 058

9.5%

2 956 569

72.2%

+ Nuclear

66 535

4.2%

70 659

74 183

65 381

206 099

3.7%

789 105

19.3%

+ Hydro

19 631

-24.3%

22 954

27 441

19 698

66 770

-17.5%

305 212

7.5%

+ Geoth./Wind/Solar/Other

4 507

21.0%

3 633

3 807

3 734

12 048

14.4%

41 687

1.0%

= Indigenous Production

338 094

5.5%

338 690

355 005

325 876

1 018 975

6.1%

4 092 573

100.0%

+ Imports

3 880

4.8%

3 598

3 463

4 199

11 542

5.0%

42 353

- Exports

2 102

2.8%

1 502

1 586

1 366

5 054

-20.0%

24 674

= Electricity Supplied

339 872

5.5%

340 786

356 882

328 709

1 025 463

6.2%

4 110 252

Period

Date

- Electricity production was 338 094 GWh in March 2007.

- This was higher by 17 504 GWh, or 5.5 %, compared to March 2006.

- This was an increase of 12 218 GWh, or 3.7 %, compared to the previous month.

- Geoth./Wind/Solar/Other production showed the most significant percentage change compared to the previous month

with an increase of 20.7 %, or 773 GWh.

- Total production for the year-to-date was 1 018 975 GWh. Comparing this to the same period last year shows that:

- Total production was higher by 58 464 GWh, or 6.1 %.

- Hydro production showed the largest percentage change by fuel type, being 17.5 % lower.

- Trade volume decreased by 721 GWh, or 4.2 %.

Electricity Production Compared to Previous Year

'Year to Date' Comparison of Production by Fuel Type

COUNTRY NOTES:

Includes the 50 States and the District of Columbia.

Monthly electricity production is estimated by the IEA Secretariat for March 2007.

Revision of production data for February 2007.

INTERNATIONAL ENERGY AGENCY