Energy transition is not a marketing topic. It’s a physical system problem. To act with confidence, organizations need two things: facts and measurable leverage.
I²ERTIA - Energy Engineering
We help organizations build a practical path to more resilient operations while reducing costs and emissions — through coaching and energy engineering trainings grounded in measurable reality.
- Measurement-first
- Decision-grade clarity
- No greenwashing
CONTEXT
0.8%
EMISSIONS GROWTH (2025)
Emissions growth slowed while the global economy still expanded by 3%+ — progress, but not enough.
~30%
EFFICIENCY POTENTIAL
Companies can often cut energy use by ~30% without reducing production — efficiency is the cheapest clean energy.
ER Group · Listed · ENL × Rogers (2025)
7,400+ · 13 territories · Tech & Energy focus
PROJECT MANAGER
REGIONAL ENERGY MODEL
ER GROUP_Mauritius
Project Manager within the Group Head Office Sustainability Department, focused on developing a regional energy model combining renewable energy integration and energy-efficiency initiatives, applied to the Bel Ombre area in South-West Mauritius to support clearer decision-making and measurable implementation pathways.
PHD RESEARCH
INVESTMENT-GRADE ECM REPORTING
TOTALENERGIES_France
Developed energy models and delivered feasibility studies and investment-grade reports for Energy Conservation Measures, supporting decision-making on energy efficiency and operational performance.
TotalEnergies · Multi-energy
Energy models · ECM feasibility · Investment-grade reporting
WHAT WE OFFER
Three focused training tracks. Choose the format that fits your teams, then book a call to scope the right approach.
ENERGY Basics
2 half-days · up to 10 pax
For Sustanaibility Teams
Practical fundamentals and measurement discipline to support day-to-day sustainability and energy projects.
ENERGY Fundamentals
1 full day · up to 5 pax
For Decision Makers
Decision-grade energy literacy to shape strategy, prioritize investments, and set governance with measurable ROI.
ENERGY Transition
2 half-days · up to 10 pax
For Communication Teams
Communicate energy transition accurately and avoid the greenwashing trap using clear definitions and measurable claims.
- Baselines & KPIs
- Efficiency levers
- Dashboard direction
- Baselines & KPIs
- Efficiency levers
- Governance & cadence
- Baselines & KPIs
- Efficiency levers
- Dashboard direction
ABOUT US
I²ERTIA is the energy engineering training and coaching branch of AETHEIS. We start with measurement, teach the fundamentals, then enable decisions and actions that can be tracked.

Measured savings
Energy intensity and operating cost drop in proportion to insight.

Reliable metrics
Clear dashboards and transparent KPIs improve traceability and trust.

Continuous learning
Each engagement becomes input for the next. Improvement becomes systemic.