Below is the list of international renewable energy industry associations and bodies.

Geothermal Resources Council (GRC)

Geothermal Resources Council is an international, non-profit organisation of geothermal energy professionals. GRC was formed in 1971 and based in California, US. GRC provides its members with professional developments through service, information and education.

Global Solar Council

The Global Solar Council was established in 2015. It helps with global solar photovoltaic associations. The Global Solar Council is an international non-profit association of national, regional and international solar energy associations and leading global solar companies.
The primary goal of the global solar council is providing regulatory policies, business policies, new markets opening and training and skills developments in the solar energy industry.

Global Wind Energy Council (GWEC)

Global Wind Energy Council (GWEC) is a global trade association representing the global wind energy sector. It helps with new wind energy markets and helping in promoting the wind energy industry in emerging markets, including China, Brazil, Mexico, South Africa and India, and more recently, Mongolia, Argentina and Vietnam.
The GWEC serve 1,500 businesses, associations, organisations, producers, developers, retailers, research institutions, regional wind and renewable energy organizations, power suppliers, finance and insurance companies in more than 80 countries.

Global Off-Grid Lighting Association (GOGLA)

Global Off-Grid Lighting Association (GOGLA) is the world’s off-grid solar industry association which was established in 2012. Currently serves more than 170 members as a neutral, independent, non-profit trade association. The purpose is to help the members for building sustainable markets, provide safe, affordable products and services around the world.

International Energy Agency (IEA)

The IEA is a Paris-based independent intergovernmental organization which was established in Paris in 1974 as a part of the Organization for Economic Co-operation and Development (OECD) following the 1973 oil crisis. The IEA is working to ensure that its member countries and nations around the world have secure, accessible and clean energy. The IEA currently includes 30 member countries, eight association-status countries and two accession countries.

International Geothermal Association (IGA)     

The International Geothermal Association (IGA) is a non-profit, non-political, non-governmental international association representing the global geothermal power sector. It aims to develop and deploy geothermal energy technologies worldwide, and promotes a potential renewable energy network.

 International Hydropower Association (IHA)

The International Hydropower Association is a non-profit, international organization and association of members promoting the global hydropower industry. The basic purpose of IHA is to promote the role of sustainable hydropower in achieving water and energy needs around the world.

 International Renewable Energy Agency (IRENA)

International Renewable Energy Agency (IRENA) has more than 180 countries involved actively, in supporting renewable resources and technology as the keys to a sustainable future. IRENA is an intergovernmental organization established to foster collaboration, advance knowledge and encourage renewable energy adoption and sustainable use of all forms of renewable energy including bioenergy, geothermal, hydropower, ocean, solar and wind energy.

 The International Solar Energy Society (ISES)

The International Solar Energy Society (ISES) is a non-profit United Nations certified NGO that was established in 1954. ISES has representatives in more than 110 countries. ISES is the world’s largest solar organization, with broad membership and primary objective is to become the trustworthy and reliable global renewable energy adviser.

 Renewable Energy & Energy Efficiency Partnership (REEEP)

The Renewable Energy and Energy Efficiency Partnership (REEEP) is an international organization headquartered in Vienna that promotes renewable energy and energy efficiency markets with special emphasis on the emerging markets and developing countries.

Renewable Energy Policy Network for the 21st Century (REN21)

REN21 is a think tank that focuses on renewable policy and a regional multi-stakeholder network. The objective of REN21 is to encourage policy development, information sharing and collective action for a rapid transition into global renewable energy sources.

Solar Energy International (SEI)

Solar Energy International (SEI) is a non-profit educational organization. The primary task of SEI is to deliver leading-edge technical training and renewable energy expertise to empower individuals, societies and companies worldwide. SEI provides seminars and online courses on solar panels, micro hydropower and solar hot water, with its Renewable Energy Education Program (REEP) training programme. Furthermore, they also cooperate in the Americas, African, Micronesian and Caribbean with grassroots and development organizations.

Sustainable Energy Industry Association of the Pacific Islands (SEIAPI) 

The Sustainable Energy Industry Association of the Pacific Islands (SEIAPI) was established in 2010 with the aim to build a sustainable energy and energy equipment company and/or energy services ecosystem in the Pacific Islands.

World Bioenergy Association (WBA)

The World Bioenergy Association is a worldwide non-governmental organization which represents the world bioenergy sector. The organization promotes the utilization of biomass, biofuels and biogas as sustainable bioenergy.

World Solar Thermal Electricity Association (STELAWorld)

STELAWorld has been set up to work with international institutions such as IEA, IRENA, UNFCCC, the United Nations Development Programme and World Bank. It enables policymakers and energy investors to gain information on the growth of solar thermal power and on the importance and cost savings of solar thermal power production.
STELAWorld aims at promoting data and exchanges of information from industry, research agencies, academic institutions and governments around the world in the context of solar thermal power generation.

World Wind Energy Association (WWEA)

The World Wind Energy Association (WWEA) is an international non-profit association with members from 100 countries, including leading national, regional and wind energy associations worldwide. It promotes and implements wind energy technology worldwide and advocate a future renewable energy system.