COMPANY

CDP4 RESPONSE

Aare Tessin AG fur Elektrizitat

No Response

ACEA SpA

Answered Questionnaire

AEM SpA

Answered Questionnaire

AES Corporation

Answered Questionnaire

Allegheny Energy Corp.

Declined to Participate

Allete Inc.

Answered Questionnaire

Alliant Energy Corporation

Information Provided

Ameren Corporation

Information Provided

American Electric Power Company Inc

Answered Questionnaire

Aquila, Inc.

Information Provided

Atmos Energy Corp

Declined to Participate

Australian Gas Light Co

Answered Questionnaire

Avista Corporation

Answered Questionnaire

Calpine Corporation

Answered Questionnaire

Cemig Cia Energ Mg

Declined to Participate

Central Vermont Public Service Corp

Answered Questionnaire

Centrica

Answered Questionnaire

CEZ - Ces Energeticke Zav

Answered Questionnaire

China Resources Power Holdings Company Ltd

No Response

Chubu Electric Power Company Inc

Answered Questionnaire

Chugoku Electric Power Co Inc

Answered Questionnaire

Cleco Corp

Answered Questionnaire

CLP Holdings Ltd

Answered Questionnaire

CMS Energy Corporation

Declined to Participate

Consolidated Edison Inc

Answered Questionnaire

Constellation Energy Group, Inc.

Answered Questionnaire

Contact Energy Ltd

No Response

Copel Parana Energy

Answered Questionnaire

Covanta Energy Corp

No Response

Dominion Resources

Information Provided

DPL Inc

Answered Questionnaire

DTE Energy Co

Answered Questionnaire

Duke Energy Corporation / Cinergy Corp

Answered Questionnaire

Duquesne Light Holdings Inc.

Information Provided

Dynegy Inc

Information Provided

E.ON AG

Answered Questionnaire

Edison International

Information Provided

EDP - Energias de Portugal S.A.

Answered Questionnaire

El Paso Electric Company

Declined to Participate

Electric Power Development Co.

Answered Questionnaire

Electricity Generating Public Co Ltd

No Response

Electrobras - Centrais Electricas Brasileiras SA

Answered Questionnaire

Endesa S.A.

Answered Questionnaire

Enel SpA

Answered Questionnaire

Energie Baden-Württemberg

Answered Questionnaire

Energy East Corp.

Answered Questionnaire

Entergy Corporation

Answered Questionnaire

Environmental Power Corp.

No Response

Exelon Corporation

Answered Questionnaire

FirstEnergy Corp

Answered Questionnaire

FPL Group Inc

Answered Questionnaire

Gail LD

Declined to Participate

Gas Natural SDG

Answered Questionnaire

Great Plains Energy, Inc.

Information Provided

Green Mountain Power Corp

Information Provided

Hawaiian Electric Industries

Answered Questionnaire

Hokkaido Electric Power Co Inc

Answered Questionnaire

Hokuriku Electric Power Co Inc

Answered Questionnaire

Hong Kong Electric Holdings Ltd

Answered Questionnaire

Iberdrola SA

Answered Questionnaire

IdaCorp, Inc.

Declined to Participate

International Power PLC

Answered Questionnaire

Kansai Electric Power Co Inc

Answered Questionnaire

Keyspan Corporation

Answered Questionnaire

Korea Electric Power Corp

Answered Questionnaire

Kyushu Electric Power Co Inc

Answered Questionnaire

Malakoff Bhd

Declined to Participate

MDU Resources Group Inc

Declined to Participate

MGE Energy Inc.

Information Provided

Mirant Corporation

Information Provided

Nisource Inc

Answered Questionnaire

Northeast Utilities Inc

Declined to Participate

Northwestern Corp

Declined to Participate

NRG Energy Inc

Declined to Participate

OGE Energy Corp

No Response

Okinawa Electric Power Co Inc

Answered Questionnaire

Oneok Inc. New

Declined to Participate

Otter Tail Corporation

Declined to Participate

Pinnacle West Capital Corp

Answered Questionnaire

PPL Corporation

Answered Questionnaire

Progress Energy Inc

Answered Questionnaire

Public Power Corp SA

No Response

Public Service Enterprise Group Inc

Answered Questionnaire

Puget  Energy Inc

Answered Questionnaire

Reliance Energy Ltd

No Response

Reliant Energy Inc.

Answered Questionnaire

RWE AG

Answered Questionnaire

Scana Corp

Declined to Participate

Scottish & Southern Energy PLC

Answered Questionnaire

Scottish Power PLC

Answered Questionnaire

Sempra Energy

Answered Questionnaire

Shikoku Electric Power Co Inc

Answered Questionnaire

Sierra Pacific Resources

Declined to Participate

Southern Company (The)

Answered Questionnaire

Suez

Answered Questionnaire

Tata Power Co

No Response

Teco Energy Inc

Answered Questionnaire

Tenaga Nasional Bhd

Answered Questionnaire

Tohoku Electric Power Co Inc

Answered Questionnaire

Tractebel Energia SA

Answered Questionnaire

Transalta Corp

Answered Questionnaire

TransCanada Corp

Answered Questionnaire

TXU Corp

Answered Questionnaire

UGI Corporation

No Response

UIL Holdings Corporation

Answered Questionnaire

Union Fenosa SA

Answered Questionnaire

Unisource Energy Corp

Information Provided

Vectren Corp

Answered Questionnaire

Westar Energy, Inc.

No Response

Wisconsin Energy Corporation

Answered Questionnaire

WPS Resources Corporation

Answered Questionnaire

Xcel Energy Inc.

Answered Questionnaire

YTL Corporation Bhd

No Response