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Towngas strives to promote sustainability in the community and spares no effort to integrate environmental protection with education, raising students' awareness of environmental issues and a green lifestyle, while EdCity focuses on promoting innovative learning to equip students with necessary skills. Therefore, Towngas and EdCity joined hands to organise the 'Green Flame Project - Smart Energy Competition', allowing students to integrate and apply STEM knowledge and hands-on skills to create innovative solutions for integrating smart energy elements in the energy industry, or leading the public to switch to low-carbon living, with a view to enhancing their knowledge in the field of smart energy and energy innovation. 


*New Updates!

This competition has been concluded successfully.  Winner list and Competition Review video can be found here.  Thank you for the continued support from all participating teams. 

Introductory Video



  1. Enable students to integrate and apply STEM knowledge and hands-on skills

  2. Enhance students' knowledge in the field of smart energy and energy innovation

  3. Encourage students to make use of cognitive thinking and creativity to realise low-carbon living



  1. Primary School Division (P1 – P6)*

  2. Secondary School Division (S1 – S6)*

(* According to 2021/22 or 2022/23 academic year)



Participating teams shall prepare their submissions based on at least one of the following themes:

1) Integration

Utilise multiple sources of energy solutions, such as natural gas, solar PV, power storage, hydrogen energy, waste-to-energy

2) Digitalisation

Make effective use of digital technology such as artificial intelligence (AI), big data and mobile applications 

3) Decarbonisation

Enhance carbon management service to reduce carbon emissions for the environment 


Rules & Regulations

  1. There is no limit on the number of participating teams from each school, and each team should consist of 2-4 students. Each student can join only one team.

  2. Participating teams will design innovative smart energy solutions with any software or tool of their choices, based on at least one of the following themes: 1) Integration, 2) Digitalisation and 3) Decarbonisation.

  3. Each team can only submit one entry for the competition.

  4. All entries must be complemented with 1) a 3-minute video illustrating the ideas of the work, its core message and details of operation & 2) a PowerPoint file (with no more than 20 slides) highlighting the ideas of the work, details of operation and division of labour etc.

  5. All entries must be original and not be published on other occasions before. By submitting an entry, the participant warrants that the entry neither contains any third party copyrighted materials nor infringes any intellectual property rights of any third parties. Participants should also ensure that the content does not include obscene, violent, religious, political or other inappropriate content. Entries with any violation will be disqualified without prior notice.

  6. By submitting an entry, the participant indicates to have read and accepted the Rules & Regulations of the competition.

  7. Prizes are non-exchangeable, non-returnable and non-refundable in any situation.

  8. The Organisers own the copyright of the awarded entries.

  9. The Organisers reserve the right to announce and publish the winners’ names and photos for promotional purposes.

  10. By submitting an entry, the participant authorises the Organisers to display and publish the entry for publication or promotional purposes during or after the event, without the need to obtain separate consent or pay any fees.

  11. The  Organisers reserve the right to amend and/or cancel the activities and the Rules & Regulations without prior notice.

  12. In case of any dispute, the decision of the Organisers shall be final.







Supporting Organisations