2×
higher knowledge retention versus classroom training after three months
Sector
Offshore WindDuration
18 weeks
Solutions
Technologies
Enercon runs a global service network maintaining wind turbines in dozens of countries. The technicians doing that maintenance work on installations that are continuously in operation, at sites that are often hard to reach, in weather conditions that make the work physically complex.
The central training problem: every turbine variant has its own maintenance procedures, but classroom training could not adequately simulate the installation. Technicians learned on paper how to dismantle a gearbox, but the first time they actually did it, they stood in front of the turbine with a checklist that did not match what they were looking at.
On top of that, Enercon's service teams are international. Trainers had to travel again and again for introduction sessions. Onboarding new technicians was not scalable without permanent trainer capacity.
Core problems
- › Classroom training could not simulate the installation, technicians learned abstractly
- › Knowledge retention after three months: below 40% on average in internal testing
- › International teams: trainers had to travel for every cohort
- › Turbine-specific procedures hard to transfer without hands-on access
- › Onboarding new technicians did not scale with a growing service contract
STARK built a layered approach: VR for complex maintenance operations that require spatial understanding, 3D work instructions for step-by-step procedural work on site, and microlearning for periodic knowledge refreshment.
01
Discover
Analysis of the most error-prone maintenance procedures based on service data. Interviews with senior technicians in the Netherlands and Germany. Seven critical operations identified that benefit most from visual, interactive training.
02
Design
3D model of the Enercon E-115 nacelle assembly built from technical drawings. VR scenarios for gearbox dismantling, pitch system inspection and main bearing replacement. Work instructions designed for tablet use inside the tower.
03
Develop
VR modules developed in four languages (NL, EN, DE, PL). Work instructions as a Progressive Web App, available offline, no app store required. Microlearning series of 24 modules for periodic knowledge retention via the existing LMS.
04
Deploy
Rolled out through Enercon's international LMS. Technicians receive VR training before their first site visit to a new turbine variant. Instructions available on their own smartphone. The trainer no longer travels for every onboarding.
The training material consists of three layers that work together. The VR environment gives technicians their first hands-on experience with the turbine nacelle before they climb the tower. They dismantle the gearbox step by step, get feedback on incorrect actions, and repeat until they complete the procedure without error.
In the field, technicians use the 3D work instructions on their tablet. Every step is visual, based on the actual configuration of the turbine they are maintaining, not a generic illustration. Augmented step-by-step display reduces the risk of procedural sequence errors.
The microlearning modules keep knowledge active. Every two weeks technicians receive a short module (5–8 minutes) tied to upcoming work or recent incidents in the service network.
What was delivered
- ✓ 4 VR scenarios for E-115 nacelle maintenance procedures
- ✓ 3D work instructions for 7 critical operations, 4 languages
- ✓ Progressive Web App, available offline on the technician's own device
- ✓ 24 microlearning modules for periodic knowledge retention
- ✓ Multilingual onboarding: NL, EN, DE, PL
"We used to send a trainer to Poland for every new group. Now they train in VR at home before they start, and they have the instructions with them on the turbine. The quality is higher and the cost is lower."
2×
higher knowledge retention after three months
78% on average vs 39% with classroom training, measured with the same assessments
80%
lower travel costs for trainers
Central production, decentral training, the trainer no longer has to attend every cohort
4
languages, one production process
NL, EN, DE and PL available simultaneously, without translation delay in the rollout
A scalable baseline
The training infrastructure is now available as a basis for every new turbine type Enercon rolls out. New models are added to the same LMS framework. The trainer-per-cohort dependency has been structurally broken.
TotalEnergies Gas Mobility
Training service crews for stations spread across Europe
3
learning formats in one programme: 3D work instructions, blended and micro learning
Gasunie
Working safely on hydrogen installations before they are installed
10
VR modules, every critical step of the procedure trained
Do you have service technicians who need to know specific equipment? This is the approach that works.
Milan
Business development, STARK Learning