HSSE activities are
- Gathering of scientific and professional cadre of energy profession, particularly in the field of using solar and other renewable energy sources,
- The promotion of technical culture in the field of practical use of solar energy and other renewable energy sources,
- Support for publishing activities in the field of solar and other renewable energy sources, usage professional papers, studies and publications, collections and scientific journal "Solar Energy"
- Organizing expert consultations, symposia and congresses in the field of energy and environmental protection
- Develop their own activity in the wide use of solar and other renewable energy sources in all areas,
- Encourage the introduction of modern technologies for the use of solar and other renewable energy sources,
- Encourage and participate in scientific and research work in the use of solar and other renewable energy sources,
- Promote the work of inventing and innovation in the use of solar and other renewable energy sources,
- Encourage the production of components and systems for the use of solar and other renewable energy sources,
- Include mass media (print, radio, TV) to popularize the use of solar and other renewable energy sources,
- Start and promote an initiative for the adoption of legislation that will accelerate and intensify the use of solar and other renewable energy sources,
- Urge to create standards in the field,
- Cooperate with other energy organizations in the Republic of Croatia and the world,
- Organizing and coordinating the participation of members of HSSE at national and international conferences, meetings and exhibitions about the solar energy to learn about the latest developments in the use of solar and other renewable energy sources.