HackoWatt
Kick-off meeting · 18 September 2026

HackoWattenergy, reimagined by AI.

A hackathon for students in IT, data science, and technology to build AI-based solutions for more efficient, more sustainable household energy management — tackling a real-world challenge in green energy.

Katowice, Poland + online 28–30 September 2026

Live event snapshot

Household load optimisation

32

teams

10

countries

8

finalists

The objective

Smarter energy, built by the next generation

The main objective of HackoWatt is to develop innovative AI-based solutions that support more efficient and sustainable energy management in households — bringing students together to work on a real-world challenge in green energy.

AI-based solutions

Build applications that put machine learning to work on real household energy data.

Sustainable by design

Every solution targets more efficient, more sustainable energy management at home.

Cross-disciplinary teams

Students from IT, data science, and other technology fields tackle one shared challenge.

International participation

32 teams. 10 countries. One shared challenge.

After registration, HackoWatt brings together a truly international lineup — students from across Europe and beyond collaborating on the same real-world energy problem.

32

participating teams

10

countries represented

Teams are joining from
PolandGermanySpainLithuaniaSwedenItalyHungarythe NetherlandsIndiaSlovakia

Key information

Dates, format, and where to show up

Date

28–30 September 2026

Online participation

Hosted via Discord. The access link is shared with all participants once every team member has completed registration.

On-site location

SpinPLACE, University of Silesia — Bankowa 5, 40-007 Katowice, Poland. A creativity and coworking centre for collaboration.

On-site venue

SpinPLACE, Katowice

A creativity and coworking centre at the University of Silesia, located right in the city centre of Katowice at Bankowa 5 — built for exactly this kind of collaboration.

  • Katowice Market Square (Rynek)

    City-centre landmark

  • Katowice Main Railway Station

    Main transport hub

  • Spodek

    Iconic Katowice landmark & event venue

  • Silesian Museum

    Major cultural landmark in the Culture Zone

RynekCentral StationSpodekSilesian Museum

SpinPLACE

Bankowa 5, Katowice

The challenge

Develop a smart energy management application

Predict and optimise the operation of electrical devices to reduce energy costs and consumption while supporting grid stability.

Team rules

Teams of 2–5 members. Each member must be registered individually.

What your solution should do

  • Predicts and optimises the operation of electrical devices
  • Reduces energy costs and consumption for the household
  • Supports stability of the wider energy grid

Deliverables

What every team submits

~5-minute video

Presenting how the developed solution works and demonstrating its key functionalities.

Summary document

A short presentation or document summarising the solution, its main features, and functionality.

Dedicated submission folder

Each team gets a folder for its final solution, demo video, and a brief description of how it works.

The final round

8 teams advance to the final round, presenting live in front of the jury.

Present & demo10 min
Jury Q&A2–3 min

Judging criteria

100 points, four dimensions

30 pts

Innovation & creativity

Originality, energy optimisation approach, development potential.

30 pts

Functionality & usability

User value, intuitiveness, effectiveness.

20 pts

Technical implementation

Code quality, model performance, solution architecture & UI.

20 pts

Presentation & justification

Clarity of presentation and reasoning behind the proposed solution.

International jury

University of Silesia representatives
Vattenfall experts
Vilnius University representatives
Pavol Jozef Šafárik University in Košice representatives

Good to know

Tools, communication, and support

Tools & resources

  • Today: presentation of an example challenge scenario.
  • Hackathon start: final challenge scenarios and links to the relevant weather APIs are shared with all participants.

Communication channel

  • Discord is the main communication platform during the hackathon.
  • The Discord invitation link is shared once all team members have completed registration.
  • A Microsoft Teams link is provided as a backup for anyone with Discord access issues.

Technical requirements

  • No computers or technical equipment are provided — on-site participants should bring their own laptop and accessories.
  • Each participant needs an active Discord account before the hackathon begins.

Mentoring & support

  • Mentors are available both on-site and online during designated time slots.
  • Exact mentoring hours are shared in the detailed hackathon agenda.
  • Reach mentors via dedicated Discord channels and chat throughout the event.

Rules

Regulations and the use of AI

Rules & regulations

The official HackoWatt regulations are available on the event website — please review them carefully before the hackathon.

Pay particular attention to the provisions on intellectual property rights, ownership of developed solutions, and the use of third-party materials or tools.

Use of AI

There are no restrictions on using AI tools during the hackathon — participants are free to use AI-based tools, models, and services as part of development.

Be prepared to explain how AI was used in the development of your solution.

Agenda

Three days, start to finish

Day 1

28 September
  1. 10:00–10:30

    Welcome & opening

  2. 11:00

    Challenge scenarios released

  3. 11:00

    Official start of the hackathon

Day 2

29 September
  1. 11:00

    Submission deadline

  2. Afternoon

    Final presentation preparation

Day 3

30 September
  1. 10:00–12:30

    Final stage

    Announcement of 8 finalist teams · 8-min presentation + 2-min Q&A per team

  2. 13:30

    Results announcement & awards ceremony

See you in Katowice — or online

HackoWatt kicks off on 28 September 2026

32 teams, 10 countries, one weekend to reshape how households manage energy. Bring your laptop, your team, and your best idea.