China’s Photovoltaic Sector Rebounds as Capacity Control Policies Take Shape, Main Industry Chain Stocks Soar

7 mins read
October 14, 2025

– Photovoltaic stocks in A-shares and Hong Kong experienced significant gains, with companies like LONGi Green Energy (隆基绿能) and JA Solar Technology (晶澳科技) rising over 5-15%, driven by net inflows of 1.969 billion yuan.
– Market rumors suggest new photovoltaic capacity control policies from six ministries, aiming to prohibit new capacity and limit existing operations to balance supply and demand.
– A polysilicon storage platform company is expected to be established soon, potentially removing millions of tons of capacity and influencing price stability.
– Regulatory actions, including high-level meetings and price law amendments, accelerate efforts to curb internal competition and support industry consolidation.
– Domestic installation growth has slowed, with August figures dropping 55.29% year-over-year, highlighting persistent demand-side challenges that require monitoring.

China’s photovoltaic sector is witnessing a remarkable turnaround after months of pressure, as speculation over stringent photovoltaic capacity control policies ignites a broad-based stock rally. On October 14, key players across the main industry chain saw their shares surge, with LONGi Green Energy (隆基绿能) and JA Solar Technology (晶澳科技) briefly hitting limit-up gains, while Trina Solar (天合光能) soared over 15% intraday. This resurgence underscores how anticipated regulatory interventions could reshape market dynamics, offering a lifeline to an industry grappling with oversupply and losses. For international investors, these developments signal a critical inflection point, where government-led measures may finally align with market forces to restore profitability and sustainable growth in the world’s largest PV market.

Market Rally Driven by Policy Speculation
The recent upswing in photovoltaic stocks is not merely a technical rebound but a response to concrete catalysts that have buoyed investor sentiment. After enduring prolonged losses, the sector’s collective gains reflect a growing consensus that regulatory support will mitigate cutthroat competition and stabilize prices.

Stock Performance Highlights
On October 14, A-shares and Hong Kong-listed photovoltaic companies recorded impressive advances, signaling a shift in market perception. Key performers included:
– LONGi Green Energy (隆基绿能): Rose over 6%, leading the rally with significant net inflows.
– JA Solar Technology (晶澳科技): Gained 7.03%, reflecting broad-based optimism.
– Trina Solar (天合光能): Jumped 8.39% after an intraday surge of 15%.
– Jinko Solar (晶科能源): Increased by over 10% during trading, closing up 4%.
– Other notable gains: Companies like Tongwei Co., Ltd. (通威股份) and Shuangliang Energy Saving (双良节能) saw rises exceeding 5%, while Hong Kong counters such as Xinyi Solar (信义光能) and GCL Technology (协鑫科技) initially climbed over 4% before paring gains. According to Oriental Wealth Net (东方财富网), the photovoltaic equipment sector attracted 1.969 billion yuan in net main fund inflows, ranking second in the A-share market, underscoring institutional confidence in the sector’s revival.

Catalysts from Rumored Policies
Two primary rumors fueled the rally: potential new photovoltaic capacity control policies and the establishment of a polysilicon storage platform. Sources, including Pengpai News (澎湃新闻) and China Securities Journal (中国证券报), indicate that the National Development and Reform Commission (国家发改委) and five other ministries may soon issue regulations banning new capacity and capping utilization rates for existing operations. Additionally, a polysilicon storage company, backed by over 10 billion yuan, could be finalized this month, aiming to absorb excess supply. These moves are seen as direct responses to industry-wide losses, with one industry leader confirming the likelihood of policy implementation to Pengpai News. The focus on photovoltaic capacity control policies has become a central theme, as stakeholders await formal announcements that could redefine competitive landscapes.

Details of the Proposed Capacity Control Policies
The speculated photovoltaic capacity control policies represent a concerted effort to address oversupply and foster a healthier market environment. By targeting both new and existing capacities, regulators aim to prevent further price erosion and support long-term industry viability.

Key Provisions and Impact
Insiders suggest the policies will introduce strict measures, including:
– A ban on new photovoltaic capacity expansions across all manufacturing segments.
– Mandatory limits on operating rates for existing facilities, potentially reducing output.
– Enhanced oversight through multi-ministerial coordination, involving bodies like the Ministry of Ecology and Environment (生态环境部).
If enacted, these rules could quickly rebalance supply and demand, lifting prices for silicon materials, wafers, and modules. For example, earlier anti-internal competition initiatives in July already spurred price increases of up to 20% for silicon wafers, demonstrating the potential efficacy of such interventions. Industry executives from top-tier firms have expressed support, noting that photovoltaic capacity control policies could curb the “internal competition” that has plagued profitability. However, the absence of an official document leaves room for uncertainty, urging investors to monitor regulatory updates closely.

Industry Reactions and Expert Insights
Reactions from photovoltaic companies highlight a mix of relief and caution. A senior executive from a leading polysilicon producer told Pengpai News that the policies are “highly probable to land soon,” emphasizing their role in stabilizing margins. Similarly, representatives from second-tier manufacturers acknowledged the need for government intervention to avoid a race to the bottom. Experts argue that photovoltaic capacity control policies must be complemented by market-driven exits of inefficient capacity, as over-reliance on regulation could delay necessary structural adjustments. Quotes from industry forums suggest that while policies provide short-term relief, sustainable recovery hinges on innovation and global demand recovery.

Polysilicon Storage Initiative
The proposed polysilicon storage platform adds another layer to the regulatory toolkit, targeting the root of oversupply in the upstream segment. By consolidating excess inventory, this initiative aims to stabilize prices and support industry-wide consolidation.

Platform Company Establishment Timeline
Market rumors, echoed by Nanhua Futures (南华期货) research, indicate that the platform company could be registered as early as mid-October, with a shared account already set up to manage operations. This entity is expected to oversee the withdrawal of up to millions of tons of polysilicon capacity, directly impacting futures prices, which saw brief spikes followed by corrections. Industry self-media reports suggest that approval processes are nearing completion, signaling imminent action. For context, polysilicon is the foundational material for photovoltaic products, and its price volatility has been a major pain point, making this initiative critical for overall supply chain stability.

Market Implications and Price Effects
The storage platform’s establishment could lead to:
– Reduced polysilicon surpluses, supporting price floors and producer margins.
– Encouragement of mergers and acquisitions among smaller players, fostering industry consolidation.
– Potential short-term supply constraints, benefiting integrated manufacturers with robust cost controls.
Historical parallels, such as China’s strategic petroleum reserves, show that such mechanisms can mitigate cyclical downturns. However, investors should note that success depends on execution scale and coordination with broader photovoltaic capacity control policies to avoid unintended disruptions.

Regulatory Environment and Anti-Internal Competition
China’s regulatory framework is evolving rapidly to tackle photovoltaic sector challenges, with a clear focus on curbing destructive competition. Recent high-level meetings and legal amendments underscore the government’s commitment to enforcing market discipline.

Government Meetings and Directives
The Ministry of Industry and Information Technology (工信部) has convened two critical photovoltaic forums in recent months. The July 3 meeting, attended by 14 major manufacturers and industry associations, emphasized central government support while addressing current woes. A follow-up on August 19, just 46 days later, involved top executives from across the value chain and even power generation giants, signaling a shift toward actionable guidelines. These gatherings have accelerated anti-internal competition measures, including:
– Industry self-discipline pacts against below-cost sales.
– Special energy conservation audits for 41 polysilicon producers, as outlined in an August 1 MIIT notice.
– Cross-ministerial efforts to promote “orderly competition,” reflecting a holistic approach to sector reform.

Price Law Amendments and Enforcement
The Price Law Amendment Draft (中华人民共和国价格法修正草案), released on July 24, targets unfair pricing practices by clarifying definitions of improper behavior and strengthening penalties. Key elements include:
– Empowering associations to research average costs and guide rational pricing.
– Mandating investigations into firms that ignore warnings, with potential legal consequences.
– Prohibiting below-cost bidding in tenders, aligning with photovoltaic sector needs.
Additionally, a joint October 9 announcement by the National Development and Reform Commission (国家发改委) and State Administration for Market Regulation (国家市场监督管理总局) emphasized curbing price disorder in key industries, directly supporting photovoltaic capacity control policies. These steps, combined with potential export tax adjustments, illustrate a comprehensive strategy to restore equilibrium.

Demand-Side Challenges and Installation Trends
While supply-side measures dominate headlines, demand fluctuations remain a critical hurdle. Recent data reveals a sharp decline in domestic photovoltaic installations, complicating recovery efforts and highlighting the need for balanced policies.

Installation Data Trends
After a record high in May, with 92.92 GW of new capacity—a 388.03% year-over-year surge—installations plummeted:
– June: 14.36 GW, down 38.45% year-over-year and 84.55% month-over-month.
– July: Approximately 11 GW, a 47.7% decrease, hitting a 2025 low.
– August: 7.36 GW, falling 55.29% year-over-year and 33.33% month-over-month.
This volatility, partly due to expired subsidy-driven “installation rushes,” underscores the sector’s reliance on policy incentives. As regions finalize pricing mechanisms for new energy, investment remains subdued, necessitating demand-stimulus measures alongside supply controls.

Future Outlook and Global Context
Globally, China’s photovoltaic capacity control policies could influence international markets by reducing export surpluses and raising component prices. The China Chamber of Commerce for Import and Export of Machinery and Electronic Products (中国机电商会) has already advocated against below-cost exports, and rumors of revoked export tax rebates loom. For investors, this signals potential margin improvements but also higher input costs overseas. Monitoring installation recovery in key markets like Europe and the U.S. will be crucial, as synchronized demand growth could amplify the benefits of China’s regulatory shifts.

Investment Implications and Strategic Guidance
The convergence of regulatory actions and market forces presents both opportunities and risks for stakeholders. Understanding the nuances of photovoltaic capacity control policies is essential for making informed decisions in this evolving landscape.

Key Takeaways for Investors
– Photovoltaic capacity control policies are likely to drive short-term price stability and stock outperformance, particularly for vertically integrated firms with cost advantages.
– The polysilicon storage initiative could reduce volatility in upstream segments, benefiting companies like Tongwei Co., Ltd. (通威股份) and GCL Technology (协鑫科技).
– Regulatory enforcement against internal competition may accelerate industry consolidation, creating acquisition targets and boosting market share for leaders.
– Demand-side headlights, such as slowing installations, require caution, but policy support for renewable energy goals in China’s 十四五规划 (14th Five-Year Plan) offers long-term tailwinds.

Call to Action: Navigating the New Era
Investors should prioritize due diligence on companies with strong governance and innovation capabilities, as these players are best positioned to thrive under stricter regulations. Engage with industry reports from sources like the China Photovoltaic Industry Association (中国光伏行业协会) and monitor official announcements from the National Development and Reform Commission (国家发改委) for timely insights. Consider diversifying into segments less affected by oversupply, such as advanced module technologies or energy storage integration. By staying agile and informed, you can capitalize on the transformative potential of China’s photovoltaic sector as it moves toward sustainable growth.

Eliza Wong

Eliza Wong

Eliza Wong fervently explores China’s ancient intellectual legacy as a cornerstone of global civilization, and has a fascination with China as a foundational wellspring of ideas that has shaped global civilization and the diverse Chinese communities of the diaspora.