This document outlines the agenda and rules for a hackathon event involving 5 teams - RED, GREEN, BLUE, YELLOW, and ORANGE. The teams will develop certification program proposals for energy conservation across Europe over 3 episodes, with the goal of coming up with the most innovative, widely applicable, and quickly implementable idea. In the final session, the teams will present their proposals and the attendees will vote for the winning team, which will be announced on Friday. The document provides context and background on developing certification programs and the labor market for relevant skills.