GreeceEnergy and utilities2025 – ongoing

HELLENiQ ENERGY

Microsoft 365 Copilot and HRaklis HR assistant

HELLENiQ ENERGY reported 64% less email handling time after adopting Copilot

WorkingVendor case studyVendor ↗

Problem

Employees spent time processing information and searching internal material. Early AI pilots needed a repeatable training approach before wider deployment.

Approach

HELLENiQ ENERGY worked with PwC to roll out Microsoft 365 Copilot through employee training. They also built HRaklis in Copilot Studio to answer questions from internal HR documents.

Results

64%reduction in email handling time reported in Microsoft's customer storyVendor case study[1]

29%faster information tasks reported in Microsoft's customer storyVendor case study[1]

Approximately 70%share of Copilot users reporting increased productivityVendor case study[1]

Takeaway

The rollout combined training in everyday tools with a departmental assistant grounded in company documents. The productivity figures were reported by users.

Sources

HELLENiQ ENERGY boosts productivity 70% and scales AI adoption with Microsoft 365 Copilot
Microsoft7 Jul 2025Vendor publication

Source summaries

[1]Microsoft7 Jul 2025

Microsoft described the employee rollout and HR assistant. It reported faster information tasks and reduced email handling time; approximately 70% of users reported improved productivity.

Full details are in the original sources.

Added 1 Nov 2026 · Updated 1 Nov 2026