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Enterprise · Supply Chain Interview Guide

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Interview language: English

How to Pass the Terna Supply Chain Interview in 2026

The Terna DNA (TL;DR)

Terna's 'Driving Energy' strategic plan emphasizes candidates' capacity to innovate within grid modernization and sustainability, aligning with values like 'Integrity' and 'Meritocracy.' The interview loop seeks individuals who can articulate their contribution to complex infrastructure projects, demonstrating a forward-thinking approach to energy transition challenges.

The Terna Interview Loop

Your onsite loop will typically consist of 5 rounds.

  1. 1

    Round 1

    Recruiter Screen
    Motivation, operations background, supply chain interest.
  2. 2

    Round 2

    Operations Case
    End-to-end supply chain optimization, bottleneck diagnosis, network design.
  3. 3

    Round 3

    Forecasting & Planning
    Demand planning, S&OP, inventory optimization, working with statistical and ML forecasts.
  4. 4

    Round 4

    Optimization
    Linear programming intuition, route optimization, facility location, trade-offs between cost/service/CO2.
  5. 5

    Round 5

    Behavioral / Leadership
    Past evidence of ownership, influence, resolving conflict.

The Danger Zone: Top Reasons Candidates Fail

Based on our database of Terna interview outcomes, avoid these common traps:

  • Confusing decision variables with constraints.
  • Generic answer not tailored to Terna or the energy sector.
  • Failing to articulate the impact or outcome of their initiative.
  • Not considering local regulations or permitting for infrastructure.

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Test Yourself: Real Terna Questions

Three real prompts pulled from our database.

Type · Case Study

Terna is expanding its renewable energy infrastructure (solar, wind farms). Describe the key supply chain considerations for sourcing, transporting, and installing large-scale components like wind turbines and solar panels across diverse geographical locations in Italy.

Type · S&OP

Describe your experience with Sales & Operations Planning (S&OP) or Integrated Business Planning (IBP). How would you ensure alignment between Terna's long-term strategic goals and the operational execution of its supply chain?

Type · Network Design

Terna is considering centralizing its spare parts inventory for grid maintenance across Italy. What factors would you analyze to determine the optimal number and location of these new distribution hubs?

+ many more questions, signals, and worked examples

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Terna Interview Question Bank

A sample from our database, grouped by round. Sign up to see the full set.

9 of 17 questions shown

1

Recruiter Screen

1
  1. 1

    Type · Motivation

    What specifically about Terna's role in the energy transition and its supply chain challenges interests you?
2

Operations Case

3
  1. 2

    Type · Case Study

    Terna is expanding its renewable energy infrastructure (solar, wind farms). Describe the key supply chain considerations for sourcing, transporting, and installing large-scale components like wind turbines and solar panels across diverse geographical locations in Italy.
  2. 3

    Type · Problem Diagnosis

    Imagine a significant delay in the delivery of critical components for a new substation project. How would you diagnose the root cause of the delay within the supply chain, and what immediate actions would you take?
  3. + 1 more questions in this round (sign up to unlock)
3

Forecasting & Planning

4
  1. 4

    Type · Demand Planning

    How would you approach forecasting demand for specialized components used in grid modernization projects, where historical data might be scarce or irregular?
  2. 5

    Type · S&OP

    Describe your experience with Sales & Operations Planning (S&OP) or Integrated Business Planning (IBP). How would you ensure alignment between Terna's long-term strategic goals and the operational execution of its supply chain?
  3. + 2 more questions in this round (sign up to unlock)
4

Optimization

4
  1. 6

    Type · LP Intuition

    Imagine you need to decide how much of each type of cable (copper, fiber optic) to procure from different suppliers to meet Terna's project demands, given varying prices and capacities. How would you think about framing this as an optimization problem?
  2. 7

    Type · Route Optimization

    Terna's field teams need to perform routine maintenance across numerous substations. How could supply chain principles and optimization techniques be applied to minimize travel time and costs for these mobile workforces?
  3. + 2 more questions in this round (sign up to unlock)
5

Behavioral / Leadership

5
  1. 8

    Type · past-experience

    Tell me about a time you took ownership of a project or a significant task at Terna, even when it wasn't explicitly assigned to you. What motivated you, and what was the result?
  2. 9

    Type · conflict-resolution

    Describe a situation where you had a significant disagreement with a colleague or team member. How did you approach the conflict, and what was the resolution?
  3. + 3 more questions in this round (sign up to unlock)

Unlock all 17 Terna questions, free

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Interview tracks at Terna

How Terna's DNA translates across functions. Pick your role.

Compare Terna with similar employers

Same DNA, different bar. Browse the closest companies in our database and see how their loops differ.

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Sample answers

What a strong answer to these Terna interview questions shows.

Terna is expanding its renewable energy infrastructure (solar, wind farms). Describe the key supply chain considerations for sourcing, transporting, and installing large-scale components like wind turbines and solar panels across diverse geographical locations in Italy.

A strong answer shows: Identifies specific challenges like port capacity, specialized transport, site accessibility.; Proposes mitigation strategies for risks (e.g., buffer inventory, alternative transport modes, phased deployment).; Considers total cost of ownership and lead times..

Describe your experience with Sales & Operations Planning (S&OP) or Integrated Business Planning (IBP). How would you ensure alignment between Terna's long-term strategic goals and the operational execution of its supply chain?

A strong answer shows: Explains the key steps and outputs of an S&OP cycle.; Highlights the importance of executive sponsorship and cross-functional participation.; Discusses how S&OP informs capacity planning, inventory strategy, and financial projections..

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