Our Purpose
Start with Why.
We are driven by curiosity and the challenge of safeguarding the critical systems that power our interconnected world. We push boundaries and innovate to keep essential infrastructure resilient and society thriving — knowing that our work keeps progress in motion for billions around the globe.
What sets us apart
The Technical Bridge
TerraWatt is the technical bridge between utility power and critical IT infrastructure. While others understand data centers or power grids, we understand the complete power chain.
01
Grid-to-Rack Expertise
Deep understanding of both HV/MV grid systems and data center critical infrastructure — from 400 kV substations to IT rack power distribution.
02
Seamless Integration
We bridge the gap between utilities and data center operators, validating that protection schemes and critical systems work together flawlessly.
03
End-to-End Capability
The only partner who can design, validate, and commission your entire power chain — from transmission line to server rack.
Our Journey
Built Over Years,
Not Overnight
From a Zagreb startup to Europe's trusted partner for critical infrastructure.
2019
Company Founded
TerraWatt established in Zagreb, Croatia. International from day one — engaged as a subcontractor on hyperscale data centers and high-voltage substation projects across Europe.
2020–2024
2 GW+ Commissioned
Across the team, TerraWatt has commissioned more than 2 GW of data center capacity — from edge and colocation sites to the largest hyperscale campuses — alongside our high-voltage substation work.
2025–2026
ISO Certification
Certified by SGS to ISO 9001, 14001, and 45001 management systems, reinforcing our commitment to quality, sustainability, and a zero-harm workplace culture.
Today
20-Person Specialist Team
Active projects across Norway, the Netherlands, Germany, Austria, and Iceland — plus design work for clients in the United States — delivering design consultancy, commissioning management, and hands-on testing on high-voltage substations and data centers.
What we stand for
Our Values
01
Excellence
We maintain the highest engineering standards in everything we do — from documentation to field execution.
02
Innovation
We embrace new methodologies and technologies, keeping our clients at the leading edge of critical infrastructure delivery.
03
Collaboration
We work closely with clients, contractors, and utilities to achieve shared outcomes on every project.
04
Sustainability
We prioritize environmentally responsible practices and actively support our clients' net-zero goals.
The people behind the work
Our Team
Certified professionals with decades of combined experience across data centers, substations, and critical infrastructure worldwide.
Industry Expertise
- Professional Engineers (PE)
- Certified Commissioning Professionals
- LEED Accredited Professionals
- IEC 61850 Specialists
Global Reach
- International project experience across 10+ countries
- Multi-lingual technical teams
- 24/7 on-call support capability
- Mobile testing equipment deployed globally
Certifications
Certified Management
Systems
TerraWatt is independently certified by SGS to three ISO management system standards — governing quality, environmental responsibility, and occupational health & safety. These frameworks govern how we work, not just what we deliver.
Quality Management
CertifiedISO 9001:2015
Ensures consistent, high-quality service delivery with documented processes and continuous improvement at every stage of every project.
Environmental Management
CertifiedISO 14001:2015
Minimizing environmental impact across all operations and actively supporting your organization's sustainability goals.
Health & Safety
CertifiedISO 45001:2018
Zero-harm workplace culture protecting every person on your sites. Our safety commitments extend from office to switchyard.
Questions about our quality systems or compliance?
Talk to Our Team