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News on Metal Solar Roof Brackets
2023-09-23
In 2023, the metal solar roof bracket industry witnessed frequent developments in centralized procurement expansion, technological innovation, product upgrading, and international cooperation. Metal brackets made of hot-dip galvanized steel, Zn-Al-Mg alloy, aluminum alloy and other materials became the mainstream choice for distributed photovoltaic and industrial & commercial rooftop projects, showing significant trends toward standardization, lightweight design and waterproof performance.
I. Domestic Centralized Procurement & Bidding Updates
1. PowerChina 2023 Annual PV Bracket Framework Procurement (July)
29 enterprises were shortlisted, including Guoqiang Xingsheng, Myboat, Chenke Solar, etc. The procurement was divided into 3 packages: 50,000 tons of fixed brackets (hot-dip galvanized / Zn-Al-Mg coated), 500MW of fixed adjustable brackets, and 200MW of distributed rooftop brackets, covering mainstream metal bracket categories.
2. Joint Centralized Procurement by SPIC & China Coal Energy (October)
Weisheng Technology won bids for multiple sections including fixed steel / Zn-Al-Mg / aluminum brackets and adjustable brackets, with a total procurement scale exceeding 21GW, and metal brackets accounting for over 80%.
3. Datang Shichengzi PV-Thermal Project (December)
Jiangsu Will Hardware won the bid for 509.375MW fixed adjustable metal brackets, with a total weight of 23,775 tons. The project adopted various steel grades including Q235B, Q355B, Q390B and Q420B, with a bid amount of 184 million yuan.
II. Technological & Product Innovations
1. Launch of Waterproof BIPV Metal Brackets (July)
SunRack launched the SFS-BIPV-M Zn-Al-Mg waterproof bracket, adopting S350 steel with Zn-Al-Mg coating and M-shaped water channel for rapid drainage, with a designed service life of 25 years, suitable for metal roof BIPV scenarios.
2. Breakthrough in Lightweight Aluminum Alloy Rooftop Brackets (November)
Kseng Solar achieved a cumulative shipment of 3.2GW of distributed aluminum alloy brackets in the Chinese market, ranking first in market growth rate. The products are lightweight, high-strength, corrosion-resistant, suitable for industrial and commercial metal roofs, extending the service life of roofs and power stations to 25 years.
3. Launch of Smart Tracking Metal Brackets (May)
AKcome Metal released the SMART-P push-rod tracking bracket at SNEC Shanghai, featuring mechanical & electrical linkage models, suitable for large-span metal roof scenarios, improving power generation efficiency and perfecting the tracking bracket matrix.
III. International Cooperation & New Product Solutions
1. Joint Kit by SnapNrack & S-5! (September, USA)
Two major metal roof bracket manufacturers cooperated to launch pre-assembled kits combining S-5! brackets such as CorruBracket and SolarFoot with SnapNrack L-feet, simplifying PV installation on metal roofs, reducing on-site bolting work and improving efficiency.
2. Market Expansion in Vietnam & Mexico (July–September)
- Huge Energy launched a BIPV system for metal steel tile roofs at the Vietnam Energy Exhibition, featuring full waterproofing, long service life and easy maintenance.
- Kseng Solar exhibited standing seam and ballasted metal roof brackets at Intersolar Mexico, suitable for the distributed PV market in Latin America.
IV. Industry Trends & Capacity Layout
- Material upgrading: Zn-Al-Mg alloy and aluminum alloy replaced traditional hot-dip galvanized steel, achieving dual improvements in corrosion resistance and lightweight performance, adapting to coastal / high-humidity metal roofs.
- Simplified installation: Pre-assembled kits and non-penetrating fixation became mainstream, reducing damage to metal roofs.
- Capacity expansion: The flexible metal bracket base of Huiyao Pinshang in Dongchuan was put into production (July), promoting the standardization of steel structure processing.
- BIPV integration: Integrated design of metal brackets and roofs, taking into account load-bearing, waterproofing and power generation, becoming the first choice for industrial and commercial roofs.
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