Wing Solar
Wing Solar
Engineered specifically for high tropical humidity, grid resilience, and peak shaving across Surabaya's industrial hubs.
A Comprehensive White Paper on Microgrid Resilience, Grid Tariff Optimization, and Storage Infrastructure in East Java.
As Indonesia’s second-largest metropolis and the economic engine of East Java, Surabaya represents a vital nexus of industrial production, maritime logistics at Tanjung Perak Port, food processing cold chains, and commercial enterprise. However, operating within Surabaya’s dynamic industrial ecosystem—spanning the Surabaya Industrial Estate Rungkut (SIER), Margomulyo, and neighboring Gresik corridors—presents unique operational challenges regarding electrical grid stability, rising tariff structures (PLN B-3 and I-3/I-4 commercial/industrial tariffs), and stringent decarbonization mandates.
Solar Photovoltaic (PV) power coupled with industrial-grade Battery Energy Storage Systems (BESS) has transitioned from an optional sustainability initiative to a core business operational necessity. High solar irradiance levels across East Java (~4.8 to 5.3 kWh/m²/day) provide ideal conditions for solar generation. However, the intermittency of solar resources, combined with sudden grid voltage sags and peak period demand charges, requires robust, tier-1 qualified LiFePO4 solar battery storage hardware capable of rapid discharge, high round-trip efficiency (RTE), and extended thermal tolerance.
Integrating battery storage allows enterprise energy consumers in Surabaya to capture Maximum Peak Shaving benefits. By discharging stored solar energy during PLN peak tariff hours (17:00 – 22:00 WIB), industrial plants can reduce peak demand charges by up to 35% annually while assuring 100% operational uptime against localized grid disruptions.
Engineered for Commercial Buildings, Heavy Manufacturing, and Logistics Infrastructure.
For heavy manufacturers in SIER and Gresik, electricity billing is heavily influenced by maximum demand KVA thresholds. Our containerized BESS solutions (215kWh up to 3MWh+) automatically detect facility power spikes and instantly discharge energy to flatten peak profiles, minimizing costly grid surcharges.
Surabaya acts as East Java’s agricultural and seafood transit hub. Temperature fluctuations caused by power trips can jeopardize millions in perishable assets. Integrated Solar Cold Storage systems with built-in LFP battery storage guarantee continuous compressor operation even during prolonged grid failures.
Connecting Surabaya's maritime shipping terminals and island supply hubs near Madura requires decentralized energy microgrids. Stackable high-voltage LiFePO4 batteries coupled with N-Type TOPCon solar modules provide independent, localized grid independence with 98% inverter efficiency.
| System Architecture | Target Applications | Chemistry & Cell Type | Cooling & Thermal Specs | Protection & Climate Grade |
|---|---|---|---|---|
| Residential / Light Commercial Stackable ESS | Homes, Shops, Small Offices (5kWh - 20kWh) | LiFePO4 (Prismatic 100Ah) | Natural Convection / Air Cooling | IP54 to IP65 Modular Design |
| C&I Cabinet Systems (105kW / 215kWh) | Factories, Cold Storage, Commercial Buildings | LiFePO4 (High-Density Grade A) | Smart HVAC Liquid / Air Cooling | IP65 Enclosure with Aerosol Fire Suppression |
| Utility-Scale BESS Container (1MWh - 3MWh) | Industrial Estates (SIER), Solar Parks, Microgrids | LiFePO4 (314Ah Cell Architecture) | Industrial Liquid Cooling System | C5 Marine Corrosion Anti-Rust Container |
Why LFP Chemistry and Intelligent Liquid Cooling Dominate Tropical Industrial Deployments.
Surabaya experiences ambient temperatures consistently exceeding 32°C to 35°C with high relative humidity. Under these severe environmental conditions, traditional Lithium Nickel Manganese Cobalt (NMC) chemistries exhibit accelerated degradation and higher risk of thermal runaway.
Our energy storage solutions exclusively utilize premium Grade-A Lithium Iron Phosphate (LiFePO4) chemistry. LFP cells possess a high thermal runaway threshold (over 270°C), exceptional chemical stability, and deliver over 6,000 to 8,000 operational cycles at 80% Depth of Discharge (DOD), yielding a Levelized Cost of Storage (LCOS) under $0.05/kWh.
For commercial deployment in Surabaya, cell temperature uniformity is critical to prevent premature aging. Traditional air-cooling systems struggle during peak sun hours under high tropical humidity.
Our multi-megawatt BESS Container Systems incorporate intelligent liquid cooling technology. By circulating dielectric coolant across aluminum cooling plates directly attached to individual cells, thermal variance across the entire container is maintained under ≤ 2.5°C. This boosts system energy efficiency by 3% and extends overall battery lifetime by 20%.
We offer a wide range of products for residential, commercial and industrial applications, and utility-scale, maintaining the highest quality standards in design and delivery.
Design: Standard High Efficiency
Dimensions: 1762 x 1134 x 30mm
Efficiency: 22.77%
Pmax Coefficient: -0.29%/°C
Linear Warranty: 30 Years Warranty
Design: Standard C&I Optimized
Dimensions: 2279 x 1134 x 35mm
Efficiency: 22.84%
Pmax Coefficient: -0.29%/°C
Linear Warranty: 30 Years Warranty
Design: Bifacial Dual Glass
Dimensions: 2384 x 1303 x 35mm
Efficiency: 22.70%
Pmax Coefficient: -0.30%/°C
Linear Warranty: 30 Years Warranty
Our business focus revolves around innovation, customer satisfaction, and environmental sustainability with over nearly two decades of solar mastery.
Since establishing our operations in 2005, we have cultivated a deep understanding of solar technologies, cell physics, and energy storage advancements, embodied in our latest N-Type and high-voltage LiFePO4 series.
Recognized as a well-established Tier 1 manufacturer by BloombergNEF, Wing delivers bankable, high-quality solar panels and battery systems backed by strong international performance warranties.
We are actively expanding our current production capacity of 3 GW by an additional 7 GW by 2026 within our state-of-the-art Industry 4.0 automated smart production facilities.
Wing is a prestigious global brand recognized among the premier leaders in renewable tech innovation, rigorous testing standards, and sustainability excellence.
With over 6GW of solar modules and battery storage systems deployed across 90+ countries and regions, Wing proudly showcases a proven global track record.
Supported by 500+ global employees across China and Europe, Wing solidified its international presence in 2023 by establishing operational headquarters in Vienna, Austria, ensuring seamless global logistics and client service.
Navigating Regulatory Standards, Local Content Requirements (TKDN), and Tropical Weather Defense.
Deploying solar energy storage in Surabaya requires strict adherence to Indonesia’s Ministry of Energy and Mineral Resources (ESDM) directives and PLN grid interconnection regulations. Our inverter-storage packages support grid-forming and grid-following capabilities, low-voltage ride-through (LVRT), and total harmonic distortion (THD) controlled under 3%, fully satisfying local PLN compliance protocols for parallel grid tie systems.
Furthermore, all our commercial battery storage enclosures meet international safety standards including CE, UL1973, UL9540A, and ISO9001/14001 certifications, facilitating streamlined customs clearance at Tanjung Perak Port and rapid local site commissioning.
Surabaya’s coastal geographic location near the Madura Strait exposes outdoor electrical equipment to elevated airborne salt fog concentrations and high atmospheric moisture content, accelerating corrosion on non-treated metals.
To combat localized environmental degradation, our IP65-rated battery cabinets and BESS container units utilize heavy-duty electro-galvanized steel frames treated with C5 Marine-Grade Anti-Corrosion Coating. All outdoor electrical terminals are sealed with silicon gaskets, and internal circuitry features conformal coating to prevent condensation short-circuits during the monsoon season.
Explore our complete range of high-performance LiFePO4 batteries, containerized BESS, and turn-key solar power kits.
Key technical considerations for commercial project developers and engineering procurement managers in Indonesia.
For commercial and industrial operators in Surabaya under PLN I-3 or I-4 tariffs, the typical payback period ranges between 3.5 to 5 years. ROI is accelerated by combining PV self-consumption maxing, peak shaving during the 17:00–22:00 WIB high-tariff window, and eliminating generator diesel fuel expenses during grid outages.
Our commercial battery systems and containerized BESS are specially customized with IP65-rated enclosures, HVAC liquid cooling systems, and C5 anti-corrosion exterior coatings. This prevents humidity intrusion, suppresses salt-air corrosion near coastal Surabaya areas, and maintains battery cells within their optimal thermal operating range (20°C–25°C).
We ship directly to Tanjung Perak Port (Surabaya). Standard containerized system manufacturing takes approximately 30 days, with ocean transit from our primary production hubs adding 12–16 days. Standard modular items (e.g., 5kWh - 20kWh wall-mounted and rack-mounted batteries) can be dispatched via streamlined fast-track shipping.
Yes, our high-voltage and low-voltage LiFePO4 battery modules feature universal CANbus, RS485, and Modbus communication protocols compatible with all major global and regional inverter brands, including Sungrow, SMA, Growatt, Deye, Solis, and Schneider Electric.
Connect with our senior BESS technical engineers today for personalized system sizing, ROI modeling, and complete solution quotes tailored to your East Java operations.
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