Business magazines and journals have major coverage of opportunities and trends in renewable energy industries. Look in Business Source Complete and Factiva. These are the best sources for coverage from Business Week, Fortune, WSJ, New York Times, Barrons, Venture Capital Journal, China Business Review, Engineering News Record, and many more industry specific business journals.
Global power plants is an open source energy information project to provide energy and industry data from various sources on energy production, emissions, storage, technologies, maps of power plants, energy flows, etc. Datasets with documentation are available for download.
Worldwide
International Energy Agency (IEA) has world energy statistics and publishes World Energy Annuals and Book Series,Renewables Information. Policies and measures database contains national level energy-related policies and measures taken or planned to reduce greenhouse gas emissions, improve energy efficiency and support renewable energy development and deployment.
International Renewable Energy Association (IRENA) has data, statistics. Country profiles provide resource assessments, policy and legal frameworks, and a renewable energy roadmap by country. Costing data for renewable power generation.
U.S.
California
Renewable energy industry coverage available in Business Source Complete and Factiva:
International Energy Association's Policies and measures database contains national level energy-related policies and measures taken or planned to reduce greenhouse gas emissions, improve energy efficiency and support renewable energy development and deployment.
From OECDiLibrary: