Winley Electric
Winley Electric mainly produces various types of transformers rated at 145kV and below. These include three-phase pad-mounted transformers, single-phase pad-mounted transformers, substation transformers, pole-mounted transformers, cast coil transformers, vacuum-impregnated transformers, isolation transformers, control transformers, voltage regulators, and reactors.
- Founded
- 2014
- Headquarters
- Name:Mr. Steven Email :steven@winley-electric.com Tel:86-18650108051 WhatsApp:+8618650108051 Address:No. 99 Yilan Road,Siming,Xiamen,Fujian,China
- Factory Area
- 45,000m²
- Employees
- 220
- Export Ratio
- 70%
- Website
- www.winley-electric.com
- Contact via WhatsApp
About Us
Xiamen Winley Electric Co.,Ltd Founded in 2014, Winley Electric is a professional transformer manufacturer certified by UL and cUL, with over a decade of experience in the power industry. Headquartered in Xiamen, China, the company has established manufacturing facilities in two core cities, Shanghai and Guangdong, respectively.In terms of main products, Winley Electric is capable of producing various types of transformers with a voltage rating of 145KV and below.The products meet ANSI/IEEE/CSA/DOE2016/IEC60076 and other standards and have been exported to more than 60 countries around the world.The main product range includes three-phase pad-mounted transformers, single-phase pad-mounted transformers, substation transformers, pole-mounted transformers, epoxy resin cast dry-type transformers, vacuum impregnated transformers, isolation transformers, voltage regulators, and reactors.Regarding R&D capabilities, the company has dozens of experienced senior engineers who are proficient in transformer standards of various countries, including ANSI, IEEE, CSA, DOE2016, NEMA, and IEC. They can customize cost-effective transformer solutions according to customers' specific requirements. The transformers produced by Winley Electric are renowned for their high quality, low loss, compact size, cost-effectiveness, and safety reliability. With decades of technical accumulation, Winley Electric has become a leading transformer export manufacturer in China, continuously leading the industry standards and having obtained more than 20 patents for independent R&D.In terms of production capacity, Winley Electric has over 200 front-line employees. Among them, 80% have more than 3 years of work experience, and 50% have more than 5 years of work experience. The skill proficiency of employees is far higher than the industry average. In addition, the factories are equipped with advanced production equipment such as silicon steel sheet slitting lines/cross-cutting lines, multi-model foil winding machines/wire winding machines, vacuum constant-temperature drying ovens, two-stage vacuum oil filters, and automated welding equipment. Relying on solid hardware strength and a mature technical team, the company ensures the high-quality delivery of products within the agreed delivery period.For quality assurance, the company has obtained multiple third-party testing and certifications including UL, cUL, ISO, CE, TUV, and EMC. It has established a scientific production management system in strict accordance with the requirements of ISO 9001. Meanwhile, it has set up a transformer material traceability system and a supplier evaluation mechanism to conduct refined quality control over all links in the entire production process. Besides, in addition to conventional testing equipment, the factories have also introduced professional type test equipment such as lightning impulse test devices. All products undergo strict factory inspection in accordance with standard specifications before leaving the factory. The company also provides a 2-year free maintenance service. With multiple guarantees, Winley Electric has built an excellent reputation of "zero quality problems" for its transformer products over the past decade.In the global market, Winley Electric's products are exported to more than 60 countries and regions around the world, and have won high trust from customers in the North American market in particular. The products fully comply with international authoritative standards such as IEEE, ANSI, DOE, and CSA. At the same time, according to customers' actual needs, the company can open UL partner authorization and empower global customers to explore the market with flexible cooperation models.In terms of customer service, Winley Electric provides 24/7 comprehensive technical support for customers. It offers customized solutions based on customers' actual needs, including product selection recommendation, drawing design, accessory selection, acceptance support, transportation plan, and installation guidance, so as to help customers reduce costs and improve efficiency with professional and efficient support.Looking forward to the future, Winley Electric will continue to provide high-quality products and comprehensive services for all partners, and make efforts for the development of global green power.
Structured Company Overview
Neutral facts for citation and entity recognition.
- Legal Name
- Winley Electric
- Established
- 2014
- Ownership
- Private
- Production Model
- OEM / ODM
- Annual Output
- 35,000 units
- R&D Team
- 35 engineers
- Website
- www.winley-electric.com
Product Specification Database
Each model is a structured row. No narrative descriptions.
| Name | Model | Type | Material | Applicable Industry | |||||
|---|---|---|---|---|---|---|---|---|---|
| SG | Medium & Low Voltage Dry-Type Transformers | Copper, Aluminum, Steel | VPI transformers are primarily used in medium-voltage and high-voltage power supply applications requiring high insulation reliability, such as power grids, industrial facilities, rail transit, data centers, and new energy projects. | ||||||
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Type Medium & Low Voltage Dry-Type Transformers Applicable Industry VPI transformers are primarily used in medium-voltage and high-voltage power supply applications requiring high insulation reliability, such as power grids, industrial facilities, rail transit, data centers, and new energy projects. Params Capacity: 10 kVA—30 MVA
Primary Vollage: 4.76 kV, 15 kV , 23 kV, 34.5 kV or other
Secondary Voltage: 208 V - 34.5 kV or other
Insulation Class: B、F、H、C、R
Enclosure Type: NEMA ratings, NEMA 1, NEMA 3R and NEMA 4
Frequency: 50Hz、60Hz
cooling system:AA/FA
Standards:ANSI,IEEE, IEC,NEMA, DOE or regional standards
Certification: UL/cUL、ISO、CE Scope |
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| Substation Power Transformer | Substation Power Transformer | Copper, Aluminum, Steel | Substation power transformers are core equipment in medium and high-voltage power transmission and distribution systems, mainly installed in utility substations and distribution substations to convert voltage levels for efficient long-distance power transmission, stabilize grid voltage, and reliably supply electricity to residential areas, commercial districts, industrial parks, and large-scale facilities across urban, suburban, and rural regions. | ||||||
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Type Substation Power Transformer Applicable Industry Substation power transformers are core equipment in medium and high-voltage power transmission and distribution systems, mainly installed in utility substations and distribution substations to convert voltage levels for efficient long-distance power transmission, stabilize grid voltage, and reliably supply electricity to residential areas, commercial districts, industrial parks, and large-scale facilities across urban, suburban, and rural regions. Params Capacity ranges from 150kVA to 100Mva
primary voltage range is usually 2.4KV-138KV
secondary voltage range is usually 0.6KV-35KV
Standards including NEMA, ANSI C.57, DOE, and IEEE as applicable Scope |
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| DGS | Single Phase Pad Mounted Transformer | Copper, Aluminum, Steel | small-capacity power supply in residential quarters, commercial streets, rural areas and other low-load density outdoor distribution scenarios | ||||||
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Type Single Phase Pad Mounted Transformer Applicable Industry small-capacity power supply in residential quarters, commercial streets, rural areas and other low-load density outdoor distribution scenarios Params Rated capacity: 15-250kVA ((and maximum capability up to 833kVA)
Primary voltage: 34.5kV-19.92kV、24.94kV-14.4kV、13.8kV-7.957kV、13.2kV-7.62kV、12.47kV-7.2kV、 4160GrdY-2400V or others
Secondary voltage: 120-240V、240-480V、347/600V or others
Feed type: Loop feed，Radial feed
Standards: ANSI/IEEE(C57.12.00、C57.12.20、C57.12.38、C57.12.90)、CSA、DOE、NEMA Scope |
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| ZGS | Three Phase Pad Mounted Transformer | Copper, Aluminum, Steel | urban power distribution, residential, industrial and commercial parks, and new energy stations | ||||||
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Type Three Phase Pad Mounted Transformer Applicable Industry urban power distribution, residential, industrial and commercial parks, and new energy stations Params Capacity ：45-5,000 kVA (and maximumcapability up to 7,000 kVA)
Primary Voltage : 34.5KV,24.94KV,13.8KV,13.2KV,12.47KV,4.16KV or others
Secondary Voltage ：690Y/400,480Y/277, 208Y/120,240Y/120 or others
Feed Type: Loop feed，Radial feed
Standards: IEEE/ANSI(C57.12.34 ), CSA(C227.4 和 C227.5), IEC, DOE, NEMA Scope |
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Certifications & Compliance
Each record can become a certification entity page.
| Certification | Cert Number | Standard | Authority | Market | Issue Date | Expiry Date | Document |
|---|---|---|---|---|---|---|---|
| CE | BSTXD230622426303EC | EN IEC 61000-6-3:2021 EN IEC 61000-3-2:2019/A1:2021 EN 61000.3-3:2013/A2:2021 EN 61000-6-1:2019 | BST | EU | 2023-06-06 | 2999-01-01 | |
| ISO 45001 | 32126S00068R110 | ISO45001:2018 | CSC | worldwide | 2026-05-15 | 2029-05-21 | |
| ISO 14001 | 32126E00073R110 | ISO14001:2015 | CSC | worldwide | 2026-05-15 | 2029-05-21 | |
| ISO 9001 | 32126Q00102R110 | IS09001:2015 | CSC | Worldwide | 2026-05-15 | 2029-05-21 | |
| UL Certification for Dry Type General Transformer | E531446 | ANSI/IEEE C57 | UL Solutions | USA | 2024-08-27 | 2999-01-01 | |
| cUL Certification for Dry Type General Transformer | E531446 | ANSI/IEEE C57 | UL Solutions | Canada | 2024-08-27 | 2999-01-01 | |
| cUL Certification for Single-Phase Pad-Mounted Transformer | E536138 | CSA C227 | UL Solutions | Canada | 2025-04-23 | 2999-01-01 | |
| UL Certification for Single-Phase Pad-Mounted Transformer | E536138 | ANSI/IEEE C57 | UL Solutions | USA | 2025-04-23 | 2999-01-01 | |
| cUL Certification for Three-Phase Pad-Mounted Transformer | E536138 | CSA C227 | UL Solutions | Canada | 2024-08-27 | 2999-01-01 | |
| UL Certification for Three-Phase Pad-Mounted Transformer | E536138 | ANSI IEEE C57 | UL Solutions | USA | 2024-08-27 | 2999-01-01 |
Applications & Industries
Taxonomy-backed tags to form industry ↔ supplier ↔ product relationships.
| Industry | Country | Working Condition | Project Type | Function | Operation Mode | Special Requirement | Matched Equipment |
|---|---|---|---|---|---|---|---|
| Commercial Real Estate, Healthcare Facilities, Higher Education, K–12 Education, Hospitality, Retail, Public Institutions | US,CA,AU,VE,HN,EC,DO,CO | Urban or Campus Outdoor Installation, Underground Medium-Voltage Distribution, Variable Daytime Loads, HVAC and Elevator Loads, 24/7 Hospital and Campus Operation, Restricted Installation Space, Publicly Accessible Areas, Low-Noise Requirements, Seasonal Peak Demand | New Commercial Development, Hospital or University Campus Expansion, Building Service Entrance, Campus Medium-Voltage Distribution Upgrade, Transformer Replacement, Legacy Voltage Conversion, Hotel or Retail Complex Expansion, Institutional Facility Retrofit | Converts 34.5 kV, 24.94 kV, 13.8 kV, 12.47 kV, 11 kV or 4.16 kV Power to 480Y/277 V, 208Y/120 V, 600Y/347 V, 433 V or 415 V for HVAC, Lighting, Elevators, Kitchens, Laboratories, Central Utility Plants and Building Auxiliary Systems | Variable Daytime Loads, 24/7 Hospital and Campus Operation, Seasonal HVAC Peaks, Loop or Radial Feed, Planned Load Transfer During Maintenance, Building-by-Building or Zone Distribution | Low Audible Noise, Tamper Resistance in Public Areas, Compact Footprint, Underground Loop-Feed Compatibility, Reliable Grounding, High Efficiency, Outdoor Weather Resistance, Load-Growth Allowance, Project-Specified Corrosion-Resistant Enclosure or High-Fire-Point Insulating Fluid | MV Switchgear, Loop-Feed Switchgear, LV Switchboards, Automatic Transfer Switches, Standby Generators, UPS Systems, Metering Equipment, Protection Relays, Capacitor Banks and Building Management Systems |
| Metal Mining, Non-Metallic Mining, Quarrying, Aggregates Production, Mineral Processing | US,CA,AU,CO,DO,EC,HN,VE | Remote Open-Pit or Underground Mines, Dust, Vibration, Impact Loads, Frequent Large-Motor Starting, Long-Feeder Voltage Variation, Extreme Temperatures, Humidity, Corrosion, Unattended Operation | Open-Pit or Underground Mine Power, Mineral Processing Plant, Crushing and Screening Station, Conveyor System, Mine Dewatering Pump Station, Mine Expansion, Mobile or Modular Substation, Mine Electrical Retrofit | Converts Mine-Site Medium Voltage to 4.16 kV, 1 kV, 600 V, 480 V or 415 V for Crushers, Grinding Mills, Conveyors, Pumps, Ventilation Fans and Auxiliary Facilities, While Providing Neutral Grounding and Fault-Current Control | 24/7 Continuous Operation, Frequent Starts and Stops, Cyclic Impact Loads, Long Radial Feeders, Mobile or Sectionalized Distribution, Load Transfer During Maintenance | Frequent Motor-Start and Impact-Load Capability, Resistance to Dust, Vibration and Corrosion, Long-Feeder Voltage Tolerance, Reliable Grounding and Fault-Current Limitation, Low Maintenance, Mobility and Expandability, Remote Unattended Operation | MV Switchgear, Mobile Substations, MCCs, VFDs, Soft Starters, Neutral Grounding Resistors, Harmonic Filters, Circuit Breakers, Protection Relays, Cable Reels and SCADA |
| Industrial Manufacturing, Automotive and Parts Manufacturing, Metal Fabrication, Machinery Manufacturing, Electronics Manufacturing, Food and Beverage, Plastics and Rubber, Pulp, Paper and Packaging | AU,US,CA,CO,DO,EC,HN,VE | 24/7 continuous production, frequent motor starting, cyclic and impact loads, rapid load variation, harmonics from VFDs and rectifiers, dust, oil mist, high temperature and humidity | New Manufacturing Plant, Plant Expansion, Production Line Upgrade, Industrial Substation Retrofit, Plant Service Entrance, Legacy Voltage Conversion, Equipment Isolation | Converts utility medium voltage to 4.16 kV, 1 kV, 480 V or 415 V for production lines, MCCs, VFDs, welding equipment, compressors, pumps and automation systems | 24/7 continuous operation, shift-based load variation, frequent starting, short-duration peak loads, load transfer during maintenance, optional parallel or standby operation | Motor-starting and impact-load capability, harmonic-load tolerance, high short-circuit withstand, stable voltage under fluctuating loads, low losses and temperature rise, maintainability, expandability and continuous-production reliability | MV switchgear, MCCs, VFDs, soft starters, harmonic filters, capacitor banks, LV switchboards, busway, circuit breakers and protection relays |
| Electric Utilities, Power Transmission and Distribution, Grid Infrastructure, Public Infrastructure | AU,US,CA,CO,DO,EC,HN,VE | Outdoor continuous service, variable feeder loads, voltage fluctuations, lightning and switching surges, extreme temperatures, humidity and salt fog, constrained retrofit sites | Underground Distribution Network, Distribution Substation Expansion, Transformer Replacement, Loop-Feed Upgrade, Feeder Voltage Conversion, Urban Grid Upgrade | Converts transmission and distribution voltages; supports underground loop networks, feeder segmentation, capacity expansion, voltage-system interconnection and distribution protection | 24/7 grid-connected operation, loop or radial feed, unattended service, peak and off-peak load variation, load transfer during maintenance | High supply reliability, tolerance to load growth and voltage fluctuations, short-circuit and surge withstand, low losses, maintainability and expandability, condition monitoring, suitability for unattended operation | MV switchgear, RMU, reclosers, circuit breakers, underground cables, surge arresters, protection relays, metering and SCADA |
| Electric Mobility, EV Charging Infrastructure, Commercial Transportation, Fleet Operations | AU,US,CA,CO,DO,EC,HN,VE | Outdoor operation, high-power charging loads, rapid load changes, simultaneous charger operation, rectifier harmonics, frequent start-stop cycles, and large day-night load variations | Public DC Fast Charging Station, Highway Charging Hub, Commercial Fleet Charging Depot, Electric Bus Charging Station, Electric Truck Charging Depot, Destination Charging Site, Utility EV Make-Ready Project | Converts utility medium-voltage power to 480Y/277V or 600Y/347V for DC fast chargers, AC chargers, and charging-station auxiliary systems | 24/7 grid-connected and unattended operation, intermittent peak loads, parallel operation of multiple chargers, with optional load management and battery storage integration | Harmonic tolerance, rapid load-change and short-term peak-load capability, simultaneous charger operation, low losses, effective thermal performance, temperature and condition monitoring, and support for future capacity expansion | DC fast chargers, AC chargers, MV switchgear, RMU, LV switchgear, rectifiers, charging management system, energy metering, SCADA, and optional BESS |
| Wind Power Generation, Renewable Energy, Independent Power Producers, Wind Farm Development | AU,US,CA,CO,DO,EC,VE,HN | Outdoor continuous service, intermittent wind power, frequent load cycling, converter harmonics, high winds, extreme temperatures, humidity, salt fog and lightning exposure | Onshore Wind Farm, Offshore Wind Farm, Distributed Wind Power, Wind-Plus-Storage Project, Wind Farm Expansion and Grid Upgrade | Steps up wind turbine or converter output to medium-voltage collector levels; supports wind power collection, grounding, auxiliary distribution and utility grid interconnection | 24/7 grid-connected operation, wind-dependent variable loading, frequent start-stop cycles, unattended operation and optional bidirectional power flow for wind-plus-storage systems | Harmonic tolerance, frequent load fluctuation and reverse power flow capability, lightning and surge protection, resistance to high winds and harsh outdoor conditions, low losses, and suitability for long-term unattended operation | Wind turbines, power converters, MV switchgear, RMU, collector cables, neutral grounding resistor, protection relays, SCADA, reactive power compensation and BESS |
| Energy Storage, Battery Energy Storage Systems, Grid Services, Distributed Energy Resources | AU,CA,US,CO,EC,DO,HN,VE | Outdoor Operation, Frequent Charge and Discharge Cycles, Bidirectional Power Flow, PCS Harmonics, Rapid Load Changes, High or Low Ambient Temperatures | Utility-Scale BESS, Commercial and Industrial Energy Storage, Community Energy Storage, Solar-Plus-Storage or Wind-Plus-Storage Project | Provide Bidirectional Voltage Transformation Between the Low-Voltage PCS and Medium-Voltage Grid, Converting 480V, 600V or 800V to 12.47kV, 13.8kV, 24.94kV or 34.5kV, and Supply BESS Auxiliary Loads | 24/7 Availability, Bidirectional Charging and Discharging, Frequent Load Cycling, Grid-Connected Operation, Peak Shaving, Frequency Regulation and Backup Power | Bidirectional power flow capability, tolerance to frequent charge-discharge cycles and rapid load changes, converter harmonic tolerance, short-term overload capability, low losses, and temperature and operating-condition monitoring | Battery Containers, Battery Racks, BMS, PCS, EMS, MV Switchgear, RMU, Protection Devices, SCADA, HVAC and Fire-Suppression Systems |
| Data Centers, Cloud Computing, Colocation Facilities, Digital Infrastructure | AU,CA,US,CO,DO,EC,VE,HN | High Load Density, Nonlinear UPS Loads, Harmonic Environment, Outdoor Operation, Extreme Temperatures | Data Center Medium- and Low-Voltage Power Distribution System | Step Down and Distribute Medium-Voltage Power to UPS Systems, Server Halls, Cooling Systems and Auxiliary Equipment | 24/7 Continuous Operation, Dual-Source Supply, N+1 or 2N Redundancy | High power reliability, redundant power supply support, continuous 24/7 high-load operation, harmonic tolerance, low losses, low noise, condition monitoring, and rapid fault response | MV Switchgear, RMU, Backup Generators, UPS, ATS, PDU, LV Switchboards and Cooling Systems |
| Solar Energy, Photovoltaic Power Generation, Solar Project Development, Independent Power Producers | AU,CA,US,CO,DO,EC,HN,VE | Outdoor Operation, High Solar Exposure, High Temperature, Dust, Humidity or Salt Fog, Inverter Harmonics, Fluctuating Power Output | Utility-Scale Solar Farm, Commercial and Industrial PV, Distributed Solar, Solar-Plus-Storage Project | Step Up 208V, 380V, 480V, 600V or 800V Inverter Output to 13.8kV, 24.94kV or 34.5kV for Power Collection and Grid Interconnection, and Provide Step-Down Power for Plant Auxiliary Loads | Daytime Intermittent Operation, Solar-Dependent Output, Parallel Operation, Frequent Load Cycling, Long-Term Grid-Connected Operation | Step-up and reverse power flow capability, tolerance to fluctuating solar output and daily load cycles, inverter harmonic tolerance, lightning and surge protection, resistance to high temperatures and harsh outdoor conditions, and low losses | PV Modules, Inverters, Combiner Boxes, MV Switchgear, RMU, Reclosers, Protection Devices, SCADA and Medium-Voltage Cables |
Industries (9) → Products (4 models) → Certifications (10)
Manufacturing Capabilities
Core processes and equipment available in-house.
Customization
Winley Electric provides OEM and ODM manufacturing for Substation Power Transformers rated up to 100 MVA and 145 kV. We support project-specific customization of capacity, voltage ratio, winding configuration, impedance, loss levels, cooling method, tap-changing system, terminal arrangement, protection and monitoring functions, structural design, testing, documentation, and transportation requirements. Customer-specified components from recognized brands such as Qualitrol, Eaton Cooper Power series, and Maschinenfabrik Reinhausen (MR) can be integrated to match project standards and maintenance preferences. Products can be engineered to meet customer specifications, site conditions, existing equipment interfaces, and applicable ANSI/IEEE, CSA, or IEC standards. From build-to-print OEM production to fully customized ODM development, Winley Electric delivers reliable transformers designed for efficient approval, installation, and long-term operation.
Monthly Capacity
300 units
Lead Time
8-10 weeks for transformers below 10 MVA, 10-12 weeks for 10-40 MVA transformers, and 18-20 weeks for 40-100 MVA transformers
Export Markets
Focused on the North American market, our products are widely exported to more than 60 countries worldwide.
After Sales
24 months from B/L.During the warranty period, If there are any accessory problems, just provide photos of damaged accessory, then we will provide free service. According to the number of products, we will provide easily damaged accessories for free. We can also provide technical support if you need.
Quality Control
Winley ensures quality through strict ISO 9001 process management with dedicated QC oversight. Prior to delivery, every unit undergoes comprehensive routine testing, including Winding Resistance, Turns Ratio, Polarity and Phase Relation, and No-Load Loss
Project References / Cases
Verified project records. Client names anonymized where requested.
| Client Type | Country | Quantity | Application | Duration | Result | Highlight |
|---|---|---|---|---|---|---|
| Electrical Contractors | US | 2 units | Industrial Park, Data Center | 30 years | Winley Electric has successfully completed production of two 34 MVA Substation Power Transformers. Engineered for utility and industrial power applications, these high-capacity transformers adhere strictly to ANSI/IEEE standards for North American markets. Equipped with a 304 stainless steel structure and NEMA 4X weatherproof enclosure, they deliver outstanding protection against harsh outdoor conditions, and the whole production was accomplished within just 12 weeks. | ✅ 34 MVA large-capacity design for utility and industrial power applications ✅ Built to meet ANSI/IEEE standards for North American project requirements ✅ 304 stainless steel construction with NEMA 4X weatherproof enclosure for enhanced protection in outdoor and harsh operating environments ✅ Completed with a 12-week fast production timeline |
| Energy Enterprise | HN | 2 units | This 6500kVA oil-immersed step-up transformer is mainly applied to the supporting step-up substation of large-scale ground-mounted solar power plants in Honduras. It steps up the low-voltage power collected by photovoltaic modules to the grid-compatible voltage to realize safe and stable grid connection and transmission of clean energy, optimize power quality, adapt to local grid operation specifications, and ensure long-term reliable operation of the entire solar power system. | 20 years | 1.Achieved ultra-fast delivery in 7 weeks, 5–9 weeks shorter than the industry average of 12–16 weeks, improving efficiency by over 40%. 2.Supplies about 10MW clean power to southern Honduras, alleviating power shortage and promoting energy transition. 3.Low loss, high reliability, long-term stable operation, reducing operation cost of the power station. | 1.Customized voltage level specially for Honduras PV grid, perfectly adapting to local 60Hz grid connection requirements. 2.Low-loss and energy-saving design with high operating efficiency, greatly reducing long-term operation and maintenance costs of solar power plants. 3.Fast delivery within 7 weeks, much shorter than ordinary industry lead time, ensuring on-schedule grid connection and commissioning. 4.Outdoor weather-resistant structure adapts to local high-temperature climate with stable and reliable operation. 5.Manufactured in strict accordance with IEC international standards, with qualified quality to meet stringent requirements of new energy power stations. |
| Electricity Utility Company | US | 31 units | 1. Large Commercial & Retail Complexes 2. Data Centers (Edge & Mid-Scale) 3. Industrial Manufacturing & Logistics 4. Renewable Energy & EV Infrastructure 5. Multi-Family Residential & Microgrids | 20 | Winley Electric successfully completed the production of 31 units of three-phase pad mounted transformers for a North American client, covering two core specifications: 2550kVA and 3750kVA, with high-voltage ratings of 34.5kV and 12.87kV. This batch production, completed efficiently within the agreed timeframe, fully demonstrates Winley Electric’s strong mass production capacity and high production efficiency—we can simultaneously handle the production of multiple specifications of transformers in large quantities, strictly control production cycles, and ensure on-time delivery without compromising quality. It is worth noting that Winley Electric’s entire series of three-phase pad mounted transformers have obtained UL and CUL certifications, fully complying with North American safety and quality standards. The entire production process of these 31 units was carried out in strict accordance with the client’s actual application scenarios and North American industry standards, solving the client’s key concerns in procurement and delivering a reliable power distribution solution that meets their on-site needs. | 1.Rapid Large-Scale Deployment: Proven capability in high-volume fulfillment with the successful delivery of 31 units under an accelerated timeline, ensuring project milestones are met without delay. 2.Comprehensive UL/cUL Certification: Our entire product line is UL/cUL listed, guaranteeing full compliance with North American safety and quality standards for seamless grid integration. 3.Superior Energy Performance: Fully compliant with ANSI/IEEE standards, with core efficiency metrics that meet and frequently exceed DOE 2016 energy conservation requirements. |
| Utility Company | US | 2 units | Grid Modernization and Renovation of Aging Substations | 30 | Across North America, aging grid infrastructure, surging municipal power demand, renewable energy interconnection and regional load expansion have created severe supply shortages for large-capacity substation power transformers. Local North American manufacturers face extreme production backlogs, with lead times for 30–50 MVA liquid-filled substation transformers often extending beyond 100 weeks. These prolonged lead times cause widespread project delays, construction holdups and urgent equipment gaps for U.S. utility and grid upgrade clients. To address these pain points for a U.S. utility client, Winley Electric delivered two 40 MVA conservator-type liquid-filled step-down substation power transformers, focusing on fast delivery, reliable performance, and tailored logistics support.The entire in-house production and testing cycle was completed in 12 weeks, effectively solving the client’s urgent need to avoid project delays. | 1. Unrivaled Lead Time: While the industry average exceeds 100 weeks, Winley Electric achieved full production and delivery in just 12 weeks. 2. Full ANSI/IEEE Compliance: Engineered to exceed rigorous North American standards, ensuring seamless grid integration and long-term reliability. 3.Customized Logistics Solutions: Specialized, project-specific transportation strategies designed to ensure the integrity of heavy-duty units upon arrival |
Comparative Positioning
Side-by-side benchmarks against peer manufacturers in this segment.
| Compared To | Difference | Performance Gap | Best For | Cost Difference | Efficiency |
|---|---|---|---|---|---|
| most transformer manufacturers in China | Compared with other transformer manufacturers in China, Winley boasts extensive experience in pad-mounted transformer projects for the North American market. We hold UL and cUL certifications, and all products comply with ANSI/IEEE, CSA, DOE, NEMA and other relevant standards. | UL/cUL-certified under UL File No. E536138 | municipal underground grid, residential districts, commercial malls, hospitals & universities, factories, data centers, solar/wind storage farms, EV charging stations, transport hubs | 10% lower | Most domestic manufacturers follow IEC energy efficiency standards, while Winley’s products meet DOE 2016 efficiency requirements. |
| American Transformer Factory | While local North American pad-mounted transformer manufacturers generally require 20–40 weeks of lead time, Winley finishes manufacturing in just 4–6 weeks. Every model holds valid UL and cUL listings for seamless market access across the US and Canada. Supported by full vertical manufacturing integration, our transformers carry a clear price edge with overall costs 20% to 35% lower than local products. | Lead time: Only 4–6 weeks vs 20–40 weeks for North American local pad mounted transformers Cost: 20–35% total cost reduction; Customization: We offer a flexible MOQ of just 1 unit. Complete inquiries are quoted within 1–3 days with 24/7 support. | municipal underground grid, residential districts, commercial malls, hospitals & universities, factories, data centers, solar/wind storage farms, EV charging stations, transport hubs | Cost: 20–35% total cost reduction; | Our full range of products are UL/cUL-certified under UL File No. E536138, designed strictly in compliance with ANSI/IEEE, CSA, DOE, and NEMA requirements to meet grid connection and regulatory standards. |
| American Transformer Factory | production efficiency | The average production cycle of substation transformers in the United States is 80-120 weeks, while Winley Electric’s average production cycle is only 12 weeks | This couple of transformers for substations has a wide range of application scenarios, including power substations, industrial parks, commercial complexes, large buildings, new energy power stations, municipal power distribution networks, heavy industrial bases, and power engineering projects | 20%–30% lower | Produced in accordance with ANSI/IEEE standards and meeting DOE efficiency requirements. |
Risk & Trust Signals
Aggregated data-driven indicators. Not an endorsement.
Purchase & Trade Information
Trading terms and procurement details.
Product Comparison
Comparative analysis against alternative solutions.
| Compared To | Difference | Performance Gap | Best For | Cost Difference | Efficiency |
|---|---|---|---|---|---|
| most transformer manufacturers in China | Compared with other transformer manufacturers in China, Winley boasts extensive experience in pad-mounted transformer projects for the North American market. We hold UL and cUL certifications, and all products comply with ANSI/IEEE, CSA, DOE, NEMA and other relevant standards. | UL/cUL-certified under UL File No. E536138 | municipal underground grid, residential districts, commercial malls, hospitals & universities, factories, data centers, solar/wind storage farms, EV charging stations, transport hubs | 10% lower | Most domestic manufacturers follow IEC energy efficiency standards, while Winley’s products meet DOE 2016 efficiency requirements. |
| American Transformer Factory | While local North American pad-mounted transformer manufacturers generally require 20–40 weeks of lead time, Winley finishes manufacturing in just 4–6 weeks. Every model holds valid UL and cUL listings for seamless market access across the US and Canada. Supported by full vertical manufacturing integration, our transformers carry a clear price edge with overall costs 20% to 35% lower than local products. | Lead time: Only 4–6 weeks vs 20–40 weeks for North American local pad mounted transformers Cost: 20–35% total cost reduction; Customization: We offer a flexible MOQ of just 1 unit. Complete inquiries are quoted within 1–3 days with 24/7 support. | municipal underground grid, residential districts, commercial malls, hospitals & universities, factories, data centers, solar/wind storage farms, EV charging stations, transport hubs | Cost: 20–35% total cost reduction; | Our full range of products are UL/cUL-certified under UL File No. E536138, designed strictly in compliance with ANSI/IEEE, CSA, DOE, and NEMA requirements to meet grid connection and regulatory standards. |
| American Transformer Factory | production efficiency | The average production cycle of substation transformers in the United States is 80-120 weeks, while Winley Electric’s average production cycle is only 12 weeks | This couple of transformers for substations has a wide range of application scenarios, including power substations, industrial parks, commercial complexes, large buildings, new energy power stations, municipal power distribution networks, heavy industrial bases, and power engineering projects | 20%–30% lower | Produced in accordance with ANSI/IEEE standards and meeting DOE efficiency requirements. |