Clients

Some of the industry leaders using GCA products and services include:

North America:

  • ABB Power T&D
  • Abria
  • AES Corporation
  • AGL Resources
  • AGIP Gas
  • American Electric Power
  • Amoco Energy Trading
  • ANR Pipeline
  • American Boiler Manufacturers Assoc.
  • Arcadia
  • Arch Coal
  • Armitage Associates
  • Arup
  • Atlantic Energy
  • Automated Power Exchange
  • Bank of America
  • Bard College
  • Birdsall Services Group
  • Bloomberg LLP
  • BNY Mellon
  • Bominflot
  • Booz Allen
  • Boralex
  • BP Amoco
  • BP Energy Corp
  • BP Oil Supply
  • Cape Wind Associates
  • CapitalSource
  • Carbon Services LLC
  • Cargill
  • Charles River Associates
  • Chase Manhattan Bank
  • Chemconnect
  • Chicago Board of Trade
  • Chicago Climate Exchange
  • Chicago Corporation
  • CINC
  • Cinergy
  • Citizens Power
  • Citrus Corp (Enron/Sonat)
  • Citadel
  • CLECO
  • Clinton Energy
  • CME Group
  • Coal Trading Association
  • Columbia Energy
  • Con Ed of New York
  • Con Ed Solutions
  • Constellation Energy
  • CT Clean Energy Fund
  • DataArt
  • Dayton Power & Light
  • Deloitte Touche LLP
  • Detroit Edison
  • Dominion Resources
  • DTE Energy Trading
  • Duane Morris LLP
  • Duke
  • Dynegy
  • El Paso Energy
  • Enron Capital & Trade Resources
  • Electric Power Research Institute (EPRI)
  • Emission Credit Brokers
  • Entergy Nuclear
  • EOS Climate
  • Ernst & Young LLP
  • Eugene Water & Electric Board
  • FERC
  • First Climate
  • Florida Progress Corp.
  • Goldman Sachs
  • GPU Energy
  • Great Eastern Energy
  • GreenX
  • Harlow Butler
  • HUD
  • Hydro Quebec
  • IB Technology
  • Idaho Power
  • Infinity Sungard
  • Irving Oil
  • Itochu International
  • JP Morgan
  • JP Morgan Chase
  • Karbone Inc.
  • Kema Consulting
  • Kentucky Utilities
  • Kinder Morgan
  • Kinetik Partners
  • Kiodex
  • Koch Energy Services
  • LaFarge
  • Lawrence Berkeley Laboratory
  • Markit
  • MISYS
  • Mobil LNG & Power
  • McKinsey & Company
  • Midcon Power Services
  • Montana Power
  • NASDAQ OMX
  • Natural Gas Exchange (NGX)
  • Natural Gas Supply Association
  • New York Power Authority
  • NICOR
  • NIPSCO
  • Northeast Utilities
  • NRG Energy
  • Nularis
  • Nxegen
  • NYMEX
  • NYSERDA
  • Old Dominion Electric
  • Ontario Hydro
  • Optimum Energy Brokers
  • Orlando Utilities Commission
  • Otter Tail Power
  • Pacer Power
  • Pacificorp
  • Peco Energy
  • PEPEX
  • Pequot Capital
  • PetroCanada
  • PG&E
  • Phibro Energy
  • Pinnacle West
  • Plantergy
  • Pratt & Whitney
  • Prebon Yamane
  • Primary Power International
  • Proliance Energy
  • Pyrolyzer
  • Public Service Electric & Gas
  • RedMeteor.com
  • Renewable Resource Recovery Corp
  • Resource Recycling Systems
  • Reuters America
  • Risk Publications
  • SeaWest Wind Power
  • Sempra Energy Trading
  • Siemens
  • SigCorp
  • Silver Leaf Partners
  • SMUD
  • Socal Edison
  • Societe Generale
  • Solarc
  • Southern Company
  • Southern Indiana
  • Sparq Energy
  • Spectron Energy
  • Sterling Planet
  • STM Power
  • Sungard
  • Swiss Re
  • Sybase Inc.
  • Talisman Oil
  • Taylor Companies
  • Teton Energy Partners
  • Tosco/Philips
  • Toyota Motor Sales
  • Tradespark LP
  • Tractebel Energy
  • TradeCapture
  • TransAlta Energy
  • TransCanada Pipeline
  • TransCurrent (Vattenfall)
  • TRC Solutions
  • Triple Point Technology
  • TrueQuote
  • TU Electric
  • TVA
  • UK Trade & Development Office
  • U.S. Department of Energy
  • Utilicorp United
  • Virginia Power
  • Western Solutions Inc.
  • Wheelabrator Technologies
  • Williams Energy Services
  • Wintex Energy
  • Wisconsin Electric
  • WPS Power
  • WSP USA
  • ZARYA CO
  • Zilkha Renewable Energy

Europe:

  • ABB
  • Barclays Capital
  • BP
  • Calyon Financial
  • Dong Naturgas
  • E-Control GmgH
  • Electrabel
  • Elf Trading
  • ENI SNAM
  • Eastern Power & Energy Trading
  • Fortis Bank/Meespierson NV
  • FSD International
  • Gaz de France
  • Gardner Group AG
  • Gerling Security Reinsurance
  • Humber Power
  • Lorentsen & Stemoco
  • Hungarian Oil & Gas Company
  • Kotka Energy Ltd.
  • Magnox Electric
  • Nuon Renewable Energy
  • OMV
  • Philips Lighting
  • Ranghieri Associates
  • Shell Enco Energy
  • Syntegra (British Telecom)
  • Tractebel
  • Voimatori Oy

Asia, Australasia & Africa:

  • ABB
  • Australia Gas & Light
  • China Merchant Bank
  • Energy Australia
  • Eskom
  • HSBC
  • Institute for Energy Economics, Japan
  • Japan Electric Power Information Center
  • Kansai Electric Power
  • Korea Electric Power
  • Korea Hydro & Nuclear Power
  • METI
  • Mitsubishi Oil
  • Mitsubishi Research Institute
  • Mitsui
  • Nippon Oil
  • Nomura Research
  • Petroleum Association of Japan
  • Petroleum Energy Center Japan
  • Rand Merchant Bank
  • Thai Oil
  • Tohoku Electric Power
  • Tokyo Electric Power
  • Tokyo Gas