- 4Biomass - Country Study on Political Framework and Availablility of Biomass, 2010
- APE: Agencja Promocij Energii Sp. z o. o.
- BOT Górnictwo i Energetyka S.A.
- Central Statistical Office, Poland
- EBRD
- EREC
- EC BREC
- EcoFund
- Enerdata; World Energy Database; Counrty Report Poland 2010
- Euroheat & Power
- EnR - European Energy Network
- Environmental Protection Bank (Bank Ochrony Srodowiska S.A. - BOS)
- Gazprom
- GWEC
- Instytut Energetyki
- International Energy Agency
- KAPE S.A.
- Managenergy
- Ministry of Economy
- Ministry of Environment
- Ministry of Finance
- Ministry of Treasury
- National Atomic Energy Agency (NAEA)
- National Energy Conservation Agency (NAPE)
- National Fund for Environmental Protection and Water Management
- Polish Foundation for Energy Efficiency (FEWE)
- Polish Network "Energie-Cites"
- Polish Environmental Partnership Foundation (PEPF)
- Polish Power Exchange
- PromoSCene - Polish Country Report 2009
- PGA
- PGE
- PGNiG
- Polish REAP
- PKE
- PKN Orlen
- PSE Operator
- Res-Legal
- URE – Urzad Regulacij Energetyki (Energy Regulatory Office Poland – ERO)
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