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200MW Fishery-PV Tracking System | Shandong, China

December 18, 2025

1. Project Overview

● Project Background: As the world’s largest clean energy power producer, SPIC (State Power Investment Corporation) actively responds to China’s “Dual Carbon” strategy. The company is committed to accelerating large-scale clean energy development. The 200MW Fishery–PV Solar Power Project is one of the first grid-connected projects within the integrated wind–solar–storage–transmission energy base on the saline-alkali tidal flats of northern Shandong. With a total investment of RMB 820 million and an installed capacity of 200MW, the project aims to optimize the regional energy mix while enabling ecological and environmental co-development.

● Project Requirements: The project is situated on saline-alkali tidal flat land in Binzhou, where complex geological conditions and severe corrosive environments impose stringent requirements on the corrosion resistance and structural stability of PV equipment. To realize efficient dual-use of space under the fishery–PV model, the client urgently required a highly adaptive, robust, corrosion-resistant, and intelligent tracking system.

2. Challenges

2.1 Severe Corrosive Environment

● The site’s atmospheric corrosion rating is C5, posing extreme challenges to the durability of metal components.

● Classified as Environmental Category II, the site exhibits mild corrosiveness toward concrete structures but strong corrosiveness toward reinforcing steel in reinforced concrete.

2.2 Complex Meteorological Conditions

● The area is frequently affected by strong winds, heavy snow, and flooding, requiring a tracking system with exceptional wind, snow, and flood resistance.

2.3 Tight Construction Timeline

● To achieve grid connection before the deadline imposed by a major shift in China's solar subsidy policy, the project demanded highly compressed design, supply, and installation schedules.

3. Solutions
In response to the project’s specific conditions and challenges, Antaisolar delivered a customized solution centered on the 2P horizontal single-axis tracking system —— TAI-Universal.

3.1 High-Standard Corrosion-Resistant Design

● For the C5 corrosive environment, key components such as module-mounting bolts use stainless steel, while other fasteners adopt zinc–nickel alloy coating with a minimum thickness of ≥12 μm. Neutral salt-spray resistance reaches 1440 hours to ensure long-term performance in saline-alkali regions.

● PHC concrete piles with superior corrosion resistance were selected to suit the site’s geological characteristics.

3.2 Reliable Environmental Adaptability

● The system passed CPP wind-tunnel laboratory testing, with project design based on a wind pressure of 0.60 kN/m² (once in 50-year) and a snow load of 0.40 kN/m² (once in 50-year).

● Equipped with Antaisolar’s self-developed SmartTrail intelligent tracking control system, the tracker achieves precise east–west rotation of ±45° (up to ±60° at maximum). When high-wind alerts are triggered, the tracker automatically moves to a preset stow position to reduce wind load; when heavy-snow alerts activate, it tilts to the maximum angle to facilitate snow shedding.

● A 350W low-temperature battery control module ensures stable system operation across a wide temperature range from –40°C to 60°C.

3.3 Intelligent Monitoring for Fishery–PV Scenarios

● The system integrates the AIT-T20 thin-film irradiance sensor and AIT-FQ200 water-level sensor to deliver real-time monitoring of solar irradiance, water-level changes, and other environmental factors, providing intelligent early-warning and operational-strategy support for fishery–PV applications.

3.4 Enhanced Structural Stability

●A multi-drive mechanical linkage design enables synchronized multi-point driving, significantly improving torsional stiffness and critical wind speed to enhance system stability.

●A dual-locking installation method—combining bolts and clamps—is adopted to greatly enhance the modules’ resistance to uplift and shifting.

3.5 Efficient Delivery and On-Site Support
● Partial pre-assembly at the factory reduces on-site workload and shortens the installation schedule.
● Supported by Antai’s in-house manufacturing base in Zhangzhou and a mature supply-chain system, the project benefited from stable material supply while mitigating risks from external capacity fluctuations.
● An experienced engineering team was stationed on-site to provide real-time support, ensuring both installation quality and project progress

4. Results
● Antaisolar’s TAI-Universal single-axis tracking system delivered outstanding stability and environmental adaptability, boosting power generation by 10% to 15% and ensuring safe, efficient operation under harsh site conditions.
● The project is expected to generate 338 million kWh of clean electricity annually, saving 110,000 tons of standard coal, and meeting the annual electricity demand of 330,000 households. Meanwhile, the fishery–PV model enabled the effective utilization and ecological restoration of 6,000 mu of saline-alkali land, supporting coordinated progress in clean-energy development and environmental protection in northern Shandong.