International Solar Alliance (ISA): Illuminating a Path towards Sustainable Energy Solutions


The International Solar Alliance (ISA) stands as a shining beacon of international collaboration, driving the increased deployment of solar energy technologies worldwide. Born from the visionary partnership between India and France, the ISA aims to foster energy access, ensure energy security, and lead the global energy transition.

With 86 ratified member countries and the endorsement of the United Nations General Assembly (UNGA), the ISA is setting a precedent for nations to work together towards a sustainable and bright future. In this article, we delve into the objectives, priorities, key responsibilities, and important projects of the ISA, as well as the challenges it faces and the way forward.

International Solar Alliance: Vision and Mission

The ISA’s vision of “making the sun brighter” embodies its commitment to harnessing the full potential of solar energy. The mission, “Every home, no matter how far away, will have a light at home,” speaks to the organization’s dedication to bringing clean energy to even the remotest corners of the world.

Headquarters and Membership

The ISA’s headquarters are located in India, with its interim secretariat in Gurugram. Its inclusive nature allows all member states of the United Nations to join the alliance. To date, 106 countries have signed the ISA Framework Agreement, with 86 having both signed and ratified it.

Objectives: A Path to Sustainable Development

The ISA’s primary objectives are to develop and deploy cost-effective solar energy solutions and assist member countries in transitioning to low-carbon growth trajectories, with a special focus on Least Developed Countries (LDCs) and Small Island Developing States (SIDS). By promoting renewable energy adoption, the alliance contributes to mitigating climate change and fostering economic growth.

International Solar Alliance (ISA)
ISA aims to foster energy access, ensure energy security, and lead the global energy transition. (Pic Credit: ISA)

Priority Areas: Laying the Foundation for Solar Energy Investments

The ISA’s 4-priority areas are essential in creating a conducive environment for solar energy investments:

  • Analytics & Advocacy: Data-driven approaches and advocacy efforts support the implementation and expansion of solar projects.
  • Capacity Building: Building expertise and knowledge-sharing facilitate the adoption of solar technologies across member nations.
  • Programmatic Support: Providing financial and logistical support helps accelerate solar projects’ implementation.
  • Readiness and Enabling Activities: Ensuring that member countries have the necessary groundwork and resources to embrace solar energy solutions.

Key Responsibilities of the Assembly and the Secretariat

The ISA Assembly, comprising representatives from member nations, serves as the apex decision-making body. Among its responsibilities are selecting the Director General, overseeing ISA operations, approving the budget, and assessing program implementation.

On the other hand, the Secretariat aids member countries in developing program proposals, offering guidance and support for program implementation, and facilitating communication and collaboration among stakeholders.

Important Projects of the ISA

  • One Sun One World One Grid (OSOWOG): This ambitious project aims to create a global ecosystem of interconnected renewable energy resources, primarily solar energy. It focuses on the seamless sharing of solar power across nations, ensuring economic benefits and promoting sustainability.
  • ISA Solar Technology and Application Resource Centre (ISTAR C): This initiative seeks to establish a network of technical training, research, and innovation centres to disseminate knowledge, build capacity, and standardize solar applications across member countries.
  • Indian Technical and Economic Cooperation (ITEC) Scheme: Through this program, the Government of India supports the ISA by providing training to master trainers in solar energy. The initiative enhances the expertise of participants from member countries.

India’s Solar Energy Initiatives

India has been at the forefront of solar energy initiatives with its National Solar Mission, targeting 100 GW of grid-connected solar power plants by 2022. Other government schemes, such as Solar Park Scheme and Grid Connected Solar Rooftop Scheme, bolster the nation’s commitment to renewable energy adoption.

Challenges and the Way Forward

The ISA faces several challenges in achieving solar grid parity, securing funding, and reconciling competing interests among member nations. To overcome these obstacles, the alliance must adopt a proactive economic policy, prioritize research and development, and establish effective dispute-resolution mechanisms.


The International Solar Alliance serves as a testament to global collaboration in addressing climate change and promoting sustainable energy solutions. By fostering solar technology adoption, capacity-building, and international cooperation, the ISA paves the way for a brighter and greener future for all nations. With the vision of ‘The Sun Never Sets,’ the alliance demonstrates that harnessing solar energy knows no boundaries and holds the key to achieving a prosperous and sustainable world for generations to come.

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