BACS Decree 2025: 3 practical cases for effective compliance

In recent years, energy regulations have intensified in the tertiary sector. On one hand, the Tertiary Decree mandates a 40% reduction in consumption by 2030. On the other, the BACS Decree requires the installation of intelligent control systems by 2025 or 2027. What if, instead of just complying… you leveraged them to your advantage?

An independent hotel in Avignon. A local authority in Normandy. A multi-site company in Île-de-France. They all have one thing in common: they must comply with the BACS Decree… and also reduce their energy consumption under the Tertiary Decree.

The obligations are often discussed separately, but these two texts form a cohesive whole. To be clear: the BACS Decree is the means, and the Tertiary Decree is the objective (up to a 40% consumption reduction to be achieved by 2030).

What the decree mandates

The 4 functions mandatory and essential to integrate into your building to be compliant:

1. Measure and analyze energy consumption by zone, hour by hour.
2. Compare with benchmarks to detect efficiency losses.
3. Control equipment automatically… but also manually.
4. Ensure interoperability : in other words, be able to communicate with your existing systems (even older ones)

🧠 In summary: you need to see what's happening, know if it's normal, and be able to act.

🔗 To learn more, you can consult the RT-RE-bâtiment article: Overview and guide to the BACS Decree

And the good news? By equipping yourself smartly, you can be compliant AND efficient, without breaking the bank. But what exactly does this famous 290 kW threshold mean? Is a medium-sized hotel, a gym, or an office building affected?

For a clear reference, here are some typical examples of commercial buildings, with a realistic estimate of their installed thermal power based on their size, use, and equipment level.

🏗 Three practical examples to guide you

🛎 Case Study 1: A hotel without a BMS, with skyrocketing bills…

Pierre manages a 3-star hotel. His heating ran continuously, the AC was set by feel, and the bill was slowly but surely climbing.

He discovers that:
- His hotel exceeds 290 kW → BACS obligation before January 1, 2025
- He is also affected by the Tertiary Decree → -40% by 2030

With SCorp-io, he equips his hotel without changing his existing controllers, connects the main technical systems, and implements simple but effective automations: heating automatically reduced at night, equipment shutdown in case of absence, and ventilation controlled according to occupancy schedules. He monitors everything in real-time, by zone and by usage, on a dashboard accessible from his smartphone.

In two years, Pierre not only met the requirements of the BACS decree but also exceeded the intermediate target of the Tertiary Decree with a -43% reduction in consumption. And on the financial side, he saved over €16,000 per year, without sacrificing an ounce of comfort for his guests.

🏛 Case Study 2: A town hall that manages its buildings... but blindly

Gérard is the technical manager for a local authority. He manages eight buildings: a primary school, a gym, the town hall, a media library… Each with its specific characteristics, its control systems sometimes manual, sometimes faulty, often overlooked. Energy bills are rising, elected officials are talking to him about an "energy sobriety plan," and he knows he will have to report on the Tertiary Decree.

By equipping himself with SCorp-io, he starts by centralizing the supervision of all his buildings on a single interface. No more need to physically go to each site: he visualizes temperatures, consumption, and anomalies in real-time. He adjusts heating and lighting schedules based on actual occupancy plans, without sacrificing comfort.

From the first year, the municipality achieves over 20% savings (we're not taking the example of Melun, which achieved -40%, because we're not show-offs 😏). But most importantly, Gérard can now prioritize his investments: he knows precisely where consumption is too high, and why. A more rational, more proactive management… and much more peace of mind for him.

🏢 Case Study 3: A multi-site company that improves responsiveness

Isabelle manages a consulting firm with six agencies spread across three departments. Each site has its own configuration, its little habits, and its struggles. Until now, she managed incidents as they arose, often too late, and without a real overview of each building's consumption.

With SCorp-io, she installs a lightweight and interoperable BMS, which allows her to remotely control all her sites, without heavy infrastructure. She visualizes consumption by usage (heating, AC, lighting...), receives alerts in case of deviation, and can intervene before a malfunction becomes a problem.

The result? A 28% reduction in consumption, true ease of daily management, and, most importantly, a clear path to meet the requirements of the Tertiary Decree… without burning out.

🧰 A BMS built for practical use

At SCorp-io, we didn't develop a tool just to 'tick regulatory boxes'. We designed a platform that addresses real-world daily constraints: limited time, limited budget, and little room for error.

Our solution is simple to use, but not simplistic. Behind its intuitive interface, it packs as much power as a traditional BMS, plus:

• A no-code approach that requires no training
• Installation without construction work, adapting to existing systems (heating, AC, lighting…)
• Native interoperability with your existing equipment
• And deployment in 3 clear steps:
  1. We connect your equipment
  2. We customize views and alerts according to your needs
  3. We automate everything that can be automated, with our Autopilot module

🎯 What do you gain? A reliable BMS, easy to use, quick to implement… and, most importantly, profitable from the first year.

🎁 Not sure where to start? Does this apply to you? What do you already have? Where are the quick wins?

Request a free audit here, we'll take the time to help you move forward with your project!