33. Details of principal subsidiary undertakings, associates and joint ventures

Name and nature of business	Country of incorporation and registration	Type of share	Group effective shareholding
Gippsland Power Pty Limited (power generation) *	Australia	Ordinary Shares	70%
Hazelwood Power Partnership (power generation) *	Australia	Partners' Capital	92%
Latrobe Power Partnership (power generation) *	Australia	Partners' Capital	70%
Perth Power Partnership (power generation) *	Australia	Partners' Capital	49%
Synergen Power Pty Limited (power generation) *	Australia	Ordinary Shares	100%
Canunda Power Pty Limited *	Australia	Ordinary Shares	100%
Valley Power Pty Limited (power generation) *	Australia	Ordinary Shares	70%
International Power (Cayman) Limited (financing company)	Cayman Islands **	Ordinary Shares	100%
Elektrárny Opatovice AS (power generation) *	Czech Republic	Ordinary Shares	99%
Deeside Power Development Company Limited (power generation)	England and Wales	Ordinary Shares	100%
First Hydro Company (power generation) *	England and Wales	Ordinary Shares	70%
First Hydro Finance plc (financing company) *	England and Wales	Ordinary Shares	70%
IPM Eagle LLP (investment holding company) *	England and Wales	Partners' Capital	70%
Normanglade 4 LLP (financing company) *	England and Wales	Partners' Capital	70%
Pelican Point Power Limited (power generation) *	England and Wales †	Ordinary Shares	100%
Rugeley Power Limited (power generation)	England and Wales	Ordinary Shares	100%
IPR Insurance Company Limited (insurance captive) *	Guernsey	Ordinary Shares	100%
International Power (Jersey) Limited (financing company)	Jersey **	Ordinary Shares	100%
Al Kamil Power Company SAOG (power generation) *	Oman	Ordinary Shares	65%
Turbogás – Produtora Energetica S.A *	Portugal	Ordinary Shares	75%
Tihama Power Generation Company Limited (power generation) *	Saudi Arabia	Ordinary Shares	60%
Electro Metalúrgica del Ebro SL (power generation) *	Spain	Ordinary Shares	64%
Ibérica de Enérgías SL (power generation) *	Spain	Ordinary Shares	70%
Thai National Power Company Limited (power generation) *	Thailand	Ordinary Shares	100%
ANP Bellingham Energy Company, LLC (power generation) *	US	Ordinary Shares	100%
ANP Blackstone Energy Company, LLC (power generation) *	US	Ordinary Shares	100%
ANP Funding 1 LLC (financing company) *	US	Ordinary Shares	100%
Hays Energy Limited Partnership (power generation) *	US	Partners' Capital	100%
Midlothian Energy Limited Partnership (power generation) *	US	Partners' Capital	100%
Milford Power Limited Partnership (power generation) *	US	Partners' Capital	100%

All subsidiary undertakings operate in their country of incorporation, except as indicated below. All subsidiary undertakings have 31 December year ends. The Group also has a number of overseas branch offices.

* Held by an intermediate subsidiary undertaking
** Operates in the UK
† Operates in Australia

Joint ventures

Name and nature of business	Country of incorporation, registration and operation	Accounting period end	Type of share	Group effective shareholding
Derwent Cogeneration Limited (power generation) *	England and Wales	31 March	Ordinary Shares	23%
PT Paiton Energy (power generation) *	Indonesia	31 December	Ordinary Shares	31%
ISAB Energy Srl (power generation) *	Italy	31 December	Ordinary Shares	34%
Malakoff Berhad (power generation) *	Malaysia	31 August	Ordinary Shares	18%
Kot Addu Power Company Limited (power generation) *	Pakistan	30 June	Ordinary Shares	36%
Uch Power Ltd	Pakistan	31 December	Ordinary Shares	40%
The Hub Power Company Limited (power generation) *	Pakistan	30 June	Ordinary Shares	17%
Carbopego – Abastecimento de Combustiveis, SA (fuel supplies) *	Portugal	31 December	Ordinary Shares	33%
Pegop–Energia Electrica, SA (power station operations) *	Portugal	31 December	Ordinary Shares	45%
Tejo Energia – Producao e Distribuicao de Energia Electrica, SA (power generation) *	Portugal	31 December	Ordinary Shares	45%
Uni-Mar Enerji Yatirimlari AS (power generation) *	Turkey	31 December	Ordinary Shares	33%
Arabian Power Company PJSC (power generation) *	UAE	31 December	Ordinary Shares	20%
Shuweihat CMS International Power Company PJSC (power generation) *	UAE	31 December	Ordinary Shares	20%

Name and nature of business	Country of incorporation, registration and operation	Accounting period end	Type of share	Group effective shareholding
South East Australia Pty Limited (gas pipeline) *	Australia	30 June	Ordinary Shares	33%
EcoElectrica LP (power generation) *	Bermuda**	31 December	Partners' Capital	35%
Pra˘zská Teplárenská AS (power generation) *	Czech Republic	31 December	Ordinary Shares	49%
Hartwell Energy Limited Partnership (power generation) *	US	31 December	Partners' Capital	50%
Oyster Creek Limited Partnership (power generation) *	US	31 December	Partners' Capital	50%

International Power continues to equity account for Malakoff and The Hub Power Company, despite its shareholdings being less than 20%, as it continues to exert significant influence over both assets. At both HUBCO and Malakoff, International Power continues to have significant board representation.

* Held by an intermediate subsidiary undertaking
** Operates in Puerto Rico

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