High-performance compact substations engineered specifically to meet TenneT and local Dutch Netbeheerder grid codes. Designed to step up renewable energy to 11kV, 24kV, or 33kV levels safely.
The Netherlands is accelerating its transition to renewable energy under the Climate Act, targeting carbon neutrality by 2050. With key offshore developments in the North Sea (such as Borssele, Hollandse Kust, and Ten Noorden van de Waddeneilanden) and intensive onshore repowering projects in provinces like Flevoland and Groningen, the demand for high-reliability, space-efficient step-up substations is higher than ever.
However, Dutch grid developers face two critical bottlenecks: severe grid congestion (netcongestie) and high environmental safety standards in water-scarce polder zones. Step-up substations must not only perform efficiently but must also incorporate intelligent grid stabilization features, harmonic mitigation, and dry-type or biodegradable ester oil insulation systems to safeguard vulnerable local ecosystems.
Connecting a wind farm to the Dutch grid requires absolute compliance with local Netbeheerders (such as Enexis, Liander, Stedin) and TenneT (for high-voltage transmission). Our range of step-up substations is meticulously engineered to comply with European standards including IEC 62271-202 (for prefabricated substations) and CENELEC HD 637 S1.
We supply substations with tailored switchgear designs featuring specialized protection relays, SCADA-ready remote terminal units (RTUs), and localized earth-fault protection. This ensures seamless integration, preventing voltage spikes and harmonizing clean power supply back into the Dutch national grid.
How Zhejiang Zeno Electric is addressing technical evolution from 33kV to 66kV arrays and environmental eco-designs for European projects.
As wind turbine capacities climb past 8MW–15MW, 33kV array cable networks hit current density limits. Our latest prefabricated step-up substations are designed to house 66kV gas-insulated or solid-insulated switchgears, reducing cable losses by up to 50% across extensive wind farms.
To meet the European Union's strict F-Gas regulations, Zeno Electric is rolling out SF6-free ring main units (RMU). We utilize technical air insulation or clean gas mixtures that eliminate greenhouse gas footprints without sacrificing dielectric safety or physical compact dimensions.
With volatile wind patterns, substations undergo extreme cyclic loading. Our integrated fiber-optic hot-spot sensors monitor winding temperatures in real-time, feeding parameters to predictive maintenance algorithms to prevent catastrophic outages.
For rapid deployment, temporary setups, and specialized configurations tailored to challenging geographical terrains across the Benelux region.
Based in the industrial hub of Ningbo, China, Zeno Electric harnesses a highly optimized local supply chain with direct marine shipping from Ningbo Port to Rotterdam.
Our facility features a complete industrial chain covering raw material processing to final high-voltage factory testing. By processing core sheet metal cutting, high-purity copper winding, vacuum casting, and oil-immersed vacuum treatment in-house, we control quality at every step. This direct control drastically lowers production overhead and protects project timelines from sudden raw material market fluctuations.
All finished substations undergo rigid dielectric tests, temperature rise simulations, and short-circuit verification. Our engineering protocols are fully aligned with ISO 9001, 14001, and 45001 standards, ensuring every step-up substation delivered to the Netherlands qualifies for European CE and IEC declarations of conformity.
Leveraging Ningbo's global deep-water port, we coordinate direct containerized and heavy-lift shipments to the Port of Rotterdam. This maritime route ensures efficient transit, minimizing transshipment delays. For onshore projects in the Netherlands, we supply pre-assembled containerized units (using CSC-certified container shells) that allow "plug-and-play" installation directly at the wind farm site, cutting civil construction costs by up to 40%.
Additionally, we collaborate with European localized engineering partners to provide site supervision, local commissioning, and emergency spare-parts warehousing within the EU.











Zhejiang Zeno Electric Co., Ltd. is a national high-tech enterprise located in Ningbo, with a registered capital of 52 million yuan. The company integrates research and development (R&D), manufacturing, sales, and service of advanced power equipment and energy systems.
Rooted in Ningbo and supported by a strong engineering and technical team, Zeno Electric has steadily expanded its business across China and international markets. Through continuous innovation and quality-driven development, the company has become a trusted provider in the power and energy industry, with growing influence in both utility and industrial sectors.
With a focus on sustainable development and smart energy transformation, we are committed to delivering safe, efficient, and intelligent power solutions that support the global transition toward cleaner and more digitalized energy systems.
Zhejiang Zeno Electric Co., Ltd. specializes in power equipment and integrated energy system solutions. Our product portfolio covers a wide range of advanced technologies, including:
In addition, we undertake turnkey power engineering projects up to 220kV, providing end-to-end services that include system planning, engineering design, equipment manufacturing, installation, commissioning, and long-term maintenance.
To better serve diverse customer needs, we offer fully customized, one-to-one energy solutions tailored to specific project requirements. Our integrated service model helps clients:
Complete portfolio of prefabricated substation configurations, eco-friendly dry-type structures, and containerized power blocks engineered for robust international performance.
Compare electrical ratings, safety configurations, and structural layouts across our key step-up models.
| Technical Characteristic | Containerized Substation Series | European Box-Type (YB-12) | Pad-Mounted Series (ZGS-12) |
|---|---|---|---|
| Rated MV System Voltage | 10 kV, 24 kV, 33 kV, up to 40.5 kV | 10 kV, 15 kV, 24 kV | 10 kV, 33 kV / 35 kV |
| Applicable Standards | IEC 62271-202, EN 62271-200 | IEC 60076, CENELEC HD 637 S1 | IEC 62271, CE Marked |
| Transformer Fluid | Mineral Oil / Synthetic Ester Fluid | Dry-Type SCB Series / ONAN Oil | Fully Sealed Oil-Immersed |
| IP Protection Rating | Enclosure IP55 / LV Compartment IP65 | IP44 (Ventilated) / IP54 | IP54 (Hermetically Sealed) |
| Corrosion Classification | C4 to C5-M (Highly Corrosive Coastal) | C3 to C4 (Industrial/Urban) | C3 to C4 (Medium Rural/Industrial) |
| Monitoring & SCADA | IEC 61850 Fibre Network Option | Modbus RTU Standard Protocol | Standard Analog telemetry / Modbus |
Crucial technical answers regarding standard compliance, local requirements, and manufacturing options.
Get in touch with our Ningbo-based application engineering team today to customize a CENELEC/IEC compliant step-up substation configuration for your next Dutch energy project.