Our Prefabricated Containerized Substation offers high-level performance in a small, ready-to-install package. We make full electrical systems with voltage ratings from 11kV to 35kV and capacities from 500kVA to 25MVA. Our team of 15 top engineers and over 120 sets of modern production tools help us do this. Our factory-tested units are 99.9% reliable, take up to 85% less time to install than traditional substations, and cut project costs by 40%. They are protected by 18 patents and are ISO 9001 certified. Before leaving our building, every unit goes through strict quality control in line with our "zero defects" mindset.
Building a traditional transformer takes months and a lot of civil work. You have to wait while the weather slows the work and costs keep going up.
Everything changes because of our answer.
Inside a weatherproof container, we put generators, switchgear, safety systems, and control tools. Our climate-controlled workshop is where everything is put together and tested. It only takes days, not months, to get ready to use once it gets to your spot.
This product takes away the hassle of putting it together in the field. No more managing several workers at once. No more inconsistent quality from building on-site. You get a full, turnkey product that has been tested for performance before it is sent to you.

We've delivered power solutions for major projects across municipal, commercial, and industrial sectors. Our experience includes:
These aren't just installations. They're proof that our approach works under demanding real-world conditions.
| Parameter | Specification |
|---|---|
| Voltage Rating | 11kV to 35kV |
| Power Capacity | 500kVA to 25MVA |
| Container Size (20ft) | 6m × 2.5m × 2.9m |
| Container Size (40ft) | 12m × 2.5m × 2.9m |
| Ingress Protection | IP54/IP65 |
| Operating Temperature | -40°C to +50°C |
| Seismic Resistance | Up to Zone 4 (IEEE 693) |
| Acoustic Performance | <65dB at 1 meter |
| Design Lifespan | 25+ years |
| Reliability Rate | 99.9% |
| Installation Time | 8 hours (typical) |
Conventional substations demand 12-18 months for completion. Our Prefabricated Containerized Substation deploys in 2-4 weeks. You're operational while competitors are still pouring concrete.
With over 30 intermediate technicians and 17 senior technicians overseeing production, we maintain strict quality standards. Our process includes:
Nothing ships until it meets our specifications. This systematic approach reduces field failures and gives you confidence from day one.
Land is expensive. Traditional substations consume valuable space that could serve better purposes. Our compact containerized design fits where conventional options can't, making it ideal for dense urban areas, rooftop installations, and space-constrained facilities.
Your power system needs to do more than distribute electricity. It needs intelligence. Our units include:

Dependability is a must when your production line can't afford to be down. Our systems can handle electromagnetic interference from welding processes while still distributing 15MVA of power. Data centres gain from having to be up 99.99% of the time and having backup power systems.
Problems are different in the middle of nowhere. When there is bad weather, dirty air, or limited access, you need different options. As cold as -40°C, we've given units that kept heavy equipment going for 25kV distribution in places where normal building methods wouldn't work.
Disasters don't wait for building plans. Immediate action is needed to strengthen the grid and restore power in a disaster. Because our product is mobile, it can be set up in 24 to 48 hours, giving communities access to important infrastructure when they need it most.

Quality isn't just what we promise—it's what we prove:
Every certification represents verified performance. Every standard met protects your investment.

Q: What is the expected lifespan and maintenance requirements?
With proper care, our design life is longer than 25 years. SF6 gas tracking, transformer oil analysis according to IEC 60422, and thermal imaging measurement are all part of the annual checks. Maintenance costs are 30% lower than with regular substations because factory-sealed parts make them easier to get to while also making them more reliable.
Q: How does seismic performance compare to traditional substations?
Integrated structural design tested to IEEE 693 standards gives containerized units better resistance to earthquakes. The solid construction gets rid of the weak spots between parts that happen in site-built installations, making them more stable during earthquakes.
Q: What are the transportation and installation requirements?
Standard ISO container sizes make shipping around the world possible by truck, train, or ship. Preparing the concrete pad and connecting the cables are all that's needed for installation, which can usually be done in 8 hours. Positioning is done by a crane that can hold at least 50 tons.
Q: How do you ensure electromagnetic compatibility in sensitive environments?
EMC compliance per IEC 61000-6-4 includes shielding effectiveness exceeding 80dB and surge withstand capability of 4kV per IEC 61000-4-5. Grounding systems utilize exothermic welding for low-impedance fault paths, protecting sensitive equipment from electromagnetic disturbances.
Q: What happens if repairs are needed during the warranty period?
Modular design enables component replacement without complete unit removal. Critical spares inventory and 24/7 technical support ensure maximum 72-hour restoration time. Factory repair services include transportation, reconditioning, and performance verification before return to service.
Q: Can units be relocated or repurposed?
Absolutely. The containerized design supports multiple deployments throughout its lifecycle. Units originally installed for temporary construction power can be relocated to permanent sites or redeployed for seasonal load management, maximizing your infrastructure investment.
Technology drives everything we do. Our production facility operates over 120 sets of advanced machinery:
This equipment doesn't just improve efficiency—it guarantees consistency. Every unit benefits from the same exacting standards, whether it's your first order or your fiftieth.

It's not just substations that we sell. We fix problems with power sharing.
Our full service includes planning, buying, installing, finishing, and delivering. Do you need more electricity parts? We help with buying things and offer easy, one-stop options that make project management easier.
We know the stress you're under because we've been in this business for over 20 years and finished hundreds of jobs. Tough due dates. Limits on budget. There are performance needs that can't be met.
What drives us is "technology first, service paramount, and integrity fundamental." We put your needs first, spend money on research and development, and come up with practical, new solutions that fit your needs exactly.
Ready to accelerate your Prefabricated Containerized Substation next power project? Contact our team at tuojie@electricinchina.com to discuss your specific requirements and receive a customized solution.







