China Power Equipment Sector: September Installation Data Review

Date: October 30, 2025
Source: Hualong Securities Research Institute
Analysts: Yang Yang (S0230523110001), Xu Zijing (S0230524080000)
Rating: Overweight (Maintained)

Executive Summary

The National Energy Administration (NEA) released China’s national power industry statistics for September 2025, revealing a nuanced landscape for the renewable energy sector. While year-to-date (YTD) installation figures for both photovoltaic (PV) and wind power demonstrate robust cumulative growth, September’s monthly data indicates a significant sequential and year-over-year deceleration in new capacity additions. Specifically, PV installations fell by 54% YoY to 9.66 GW, while wind installations dropped by 41% YoY to 3.25 GW. Despite this monthly slowdown, the YTD trajectory remains strong, with PV and wind installations up 49% and 56% respectively through the first nine months of 2025.

Investment trends diverge between generation and transmission assets. Power source investment remained largely flat (+0.6% YoY), reflecting a consolidation phase in generation capacity expansion. In contrast, grid infrastructure investment accelerated, rising 9.9% YoY to RMB 437.8 billion, underscoring the critical need for grid modernization to accommodate high renewable penetration. Furthermore, the average utilization hours for power generation equipment declined by 251 hours YoY, highlighting emerging challenges in grid absorption and potential curtailment risks.

We maintain an "Overweight" (Recommended) rating on the power equipment sector. The long-term structural demand for new energy installations remains intact, driven by carbon neutrality goals and energy security imperatives. However, the short-term volatility in monthly installations and declining utilization rates necessitate a selective investment approach. We advise investors to focus on high-quality leaders in the PV supply chain, profitable segments within the inverter and energy storage sectors, and emerging opportunities in virtual power plants (VPPs). Key recommended names include Sungrow Power Supply (300274.SZ) for its strong profitability in inverters and storage, alongside established PV manufacturers such as LONGi Green Energy, JinkoSolar, and Canadian Solar.

Key Takeaways

1. Photovoltaic (PV) Sector: Strong YTD Growth Masks September Slowdown

The PV sector continues to dominate China’s new capacity additions, although the pace of monthly installations has cooled significantly in September.

• September Performance: New PV installations totaled 9.66 GW, representing a sharp 54% year-over-year (YoY) decline. This contraction suggests potential seasonal adjustments, policy transitional effects, or temporary bottlenecks in project commissioning.
• Cumulative Strength: Despite the monthly dip, the YTD performance remains resilient. From January to September 2025, domestic PV new installations reached 240.27 GW, a substantial 49% increase compared to the same period in the previous year.
• Total Capacity: By the end of September 2025, China’s total installed PV capacity reached 1.13 billion kW (113 GW), marking a 45.7% YoY growth. This underscores the continued aggressive expansion of solar infrastructure as a cornerstone of China’s energy transition.

Implication: The divergence between strong YTD growth and weak September data indicates that the annual installation target is likely still achievable, but the growth trajectory is becoming less linear. Investors should monitor Q4 data closely to determine if the September slowdown was a transient anomaly or the beginning of a broader trend moderation due to grid congestion or subsidy phase-outs.

2. Wind Power Sector: Moderate Deceleration in Monthly Additions

Wind power installations followed a similar pattern to PV, with a notable slowdown in September despite robust YTD gains.

• September Performance: New wind power installations amounted to 3.25 GW, a 41% YoY decrease. This decline may be attributed to weather-related construction delays, approval timelines for offshore projects, or a base effect from strong comparisons in the prior year.
• Cumulative Strength: YTD wind new installations totaled 61.09 GW from January to September 2025, surging 56% YoY. This double-digit growth highlights the accelerating deployment of wind assets, particularly in large-scale bases and offshore developments.
• Total Capacity: As of end-September 2025, total installed wind capacity stood at approximately 580 million kW (58 GW), reflecting a 21.3% YoY increase.

Implication: The wind sector demonstrates steady structural growth. The 56% YTD increase suggests that the industry is successfully navigating supply chain and logistical challenges. The focus is shifting towards higher-efficiency turbines and offshore projects, which may support margin improvement for leading manufacturers despite volume fluctuations in specific months.

3. Investment Dynamics: Grid Spending Outpaces Generation

A critical insight from the September data is the shifting allocation of capital between power generation assets and grid infrastructure.

• Power Source Investment Flatlining: The mere 0.6% growth in power source investment indicates that the era of explosive, unchecked capacity expansion is maturing. Developers are likely becoming more cautious, focusing on project quality and grid connectivity rather than sheer volume.
• Grid Investment Acceleration: The 9.9% rise in grid engineering investment is a positive signal for companies involved in ultra-high voltage (UHV) transmission, smart grid technologies, and distribution automation. This aligns with the national strategy to resolve "curtailment" issues and enhance the flexibility of the power system.

4. Operational Efficiency: Declining Utilization Hours

A concerning metric in the report is the decline in asset efficiency.

• Utilization Hours: The cumulative average utilization hours for national power generation equipment in the first nine months of 2025 were 2,368 hours, a decrease of 251 hours compared to the same period last year.
• Analysis: This significant drop reflects the intermittent nature of renewable energy and the current inadequacy of grid flexibility resources (such as energy storage and peak-shaving capabilities). As the share of wind and solar increases, the marginal utility of each additional GW of capacity diminishes unless accompanied by proportional investments in storage and grid intelligence.

Implication: This trend reinforces the investment thesis for energy storage systems (ESS) and virtual power plants (VPPs). Solutions that can stabilize output, provide ancillary services, and optimize dispatch will become increasingly valuable. Companies offering integrated "Generation + Storage" solutions or advanced software for grid management are well-positioned to benefit from this structural bottleneck.

5. Strategic Investment Recommendations

Based on the data and industry dynamics, we categorize our investment recommendations into three core themes:

A. PV Industry Leaders (Consolidation & Scale)

Despite short-term headwinds, leading PV manufacturers with superior cost control, technological advantages (e.g., TOPCon, HJT, BC cells), and global distribution networks are expected to gain market share as weaker players exit.
* Key Names: LONGi Green Energy (601012.SH), JinkoSolar (688223.SH), Canadian Solar (688472.SH), Aiko Solar (600732.SH), TCL Zhonghuan (002129.SZ).
* Logic: These companies possess the balance sheet strength to withstand price volatility and the R&D capability to lead the next generation of cell efficiency.

B. Inverters & Energy Storage (High Profitability & Resilience)

The inverter and storage segments exhibit stronger pricing power and profitability compared to the highly competitive module manufacturing sector. The need for grid stability directly drives demand for these components.
* Key Names: Sungrow Power Supply (300274.SZ), Deye Shares (605117.SH), Sineng Electric (300827.SZ).
* Logic: Sungrow, in particular, is highlighted for its robust earnings profile. The global demand for hybrid inverters and large-scale storage systems provides a dual engine for growth, mitigating reliance solely on the domestic Chinese market.

C. Virtual Power Plants & Digital Grid (Emerging Growth)

As utilization hours fall and grid complexity rises, software-defined energy solutions become critical. VPPs aggregate distributed energy resources to participate in power markets, offering a high-margin, asset-light business model.
* Key Names: Guoneng Rixin (301162.SZ), Acrel (300286.SZ).
* Logic: Policy support for electricity market reforms and spot trading mechanisms creates a favorable environment for VPP operators. These companies provide the essential digital infrastructure for demand response and load management.

Risks / Headwinds

Investors must carefully consider the following risks, which could materially impact the sector’s performance and individual company valuations:

1. Macroeconomic Downturn: A broader slowdown in the Chinese or global economy could reduce industrial electricity demand, thereby lowering the urgency for new capacity additions and potentially leading to higher curtailment rates.
2. Policy Uncertainty: Renewable energy development is heavily policy-driven. Any delay in subsidy payments, changes in feed-in tariff mechanisms, or stricter land-use regulations could disrupt project pipelines. The recent "Wind Energy Beijing Declaration 2.0" and MIIT meetings on polysilicon indicate active policy management, but unexpected regulatory shifts remain a risk.
3. Installation Progress Misses: The sharp decline in September installations raises the risk that full-year targets may not be met if Q4 does not see a strong rebound. Delays in grid connection approvals are a primary bottleneck.
4. Cost Volatility: While polysilicon prices have stabilized, fluctuations in raw material costs (silver, copper, lithium) can squeeze margins for manufacturers. The MIIT’s energy conservation inspections on polysilicon production could tighten supply and raise costs unexpectedly.
5. Electricity Price Decline: As renewable penetration increases, wholesale electricity prices during peak solar/wind hours may turn negative or drop significantly, eroding the revenue potential of new projects without adequate storage hedging.
6. Intensified Industry Competition: The PV and wind sectors are characterized by intense competition. Price wars in modules and turbines can lead to margin compression across the supply chain, particularly for second-tier players lacking scale.
7. Company-Specific Performance Risk: For the recommended stocks, there is a risk that actual earnings may fall short of consensus estimates due to execution issues, foreign trade barriers (tariffs), or technological obsolescence.

Rating / Sector Outlook

Sector Rating: Overweight (Recommended)

We maintain our Overweight rating on the Power Equipment sector. While the monthly data for September shows a temporary cooling, the fundamental drivers for the energy transition remain powerful. The Chinese government’s commitment to carbon peaking and neutrality, coupled with the economic necessity of energy independence, ensures long-term demand visibility.

Outlook Nuances:
* Short-Term (3-6 Months): Expect volatility. The market will digest the September installation miss and assess Q4 recovery prospects. Grid investment stocks may outperform generation equipment stocks due to the clearer acceleration in grid capex.
* Medium-to-Long Term (1-3 Years): The sector is poised for structural growth. The focus will shift from "quantity" to "quality"—specifically, systems that integrate storage, smart grid capabilities, and high-efficiency generation. Companies that can offer holistic solutions rather than just hardware commodities will command premium valuations.

Valuation Context:
The table below summarizes the valuation metrics for key covered companies. Note that several PV leaders are currently trading at low or negative P/E ratios due to recent earnings pressures, suggesting that the market has already priced in significant near-term pain. Conversely, high-growth segments like inverters and VPPs command higher multiples, reflecting their superior earnings visibility.

(Note: NR = Not Rated. EPS and PE data sourced from Wind Consensus Estimates, except Sungrow 2027 forecast which is also Wind Consensus. Hualong Securities maintains a "Buy" rating on Sungrow based on its superior fundamentals.)

Investment View

1. Structural Shift from "Build-Out" to "Integration"

The September data confirms that China’s renewable energy sector is transitioning from a phase of pure capacity expansion to one of system integration. The flat power source investment versus rising grid investment is the clearest indicator of this shift. Investors should reallocate capital accordingly:
* Underweight: Pure-play module manufacturers with high debt and low technological differentiation.
* Overweight: Grid equipment providers, energy storage integrators, and software platforms that enable grid flexibility.

2. The "Storage Imperative"

The 251-hour drop in utilization hours is a critical signal. It implies that every new GW of solar or wind added without corresponding storage or grid upgrades yields diminishing returns. This creates a compelling investment case for:
* Large-scale Storage: Benefiting from mandatory storage requirements for new renewable projects.
* Inverters with Grid-Forming Capabilities: Companies like Sungrow and Sineng Electric are not just selling hardware but providing grid stability services.
* Virtual Power Plants: Guoneng Rixin and Acrel are positioned to monetize the flexibility gap. As electricity market reforms progress, the ability to trade flexibility will become a major revenue stream.

3. Selective Opportunities in PV Leadership

While the PV sector faces overcapacity concerns, the leaders are consolidating their position. The recent MIIT symposiums aimed at curbing "involutionary" (destructive) competition suggest a policy floor may be forming.
* LONGi Green Energy and JinkoSolar are trading at depressed valuations relative to their long-term cash flow potential. For contrarian investors, these names offer asymmetric upside if the industry supply-demand balance improves in 2026.
* Technological Alpha: Companies leading in N-type cell technologies (TOPCon, HJT) will enjoy better margins. Aiko Solar’s focus on ABC technology and TCL Zhonghuan’s wafer innovation are key differentiators.

4. Global Diversification as a Hedge

Domestic competition is fierce. Companies with strong overseas exposure can mitigate domestic margin pressure.
* Sungrow and Deye Shares have significant international revenue streams, particularly in Europe, the Middle East, and emerging markets. Their ability to maintain higher margins abroad supports their overall profitability.
* Canadian Solar and JinkoSolar have established global module brands and project development pipelines, providing diversification beyond the Chinese domestic market.

Conclusion

The September 2025 installation data presents a mixed picture: a short-term slowdown in monthly additions against a backdrop of strong YTD growth and accelerating grid investment. We view this not as a deterioration of the secular thesis, but as a maturation of the industry. The "easy growth" phase is over; the next phase rewards efficiency, integration, and technological leadership.

We recommend investors maintain exposure to the sector but refine their portfolios towards high-quality leaders and grid-enabling technologies. Sungrow Power Supply remains our top pick due to its dominant position in inverters/storage and robust earnings visibility. For those seeking exposure to the PV recovery, LONGi and JinkoSolar offer value at current levels, while Guoneng Rixin provides a pure play on the emerging VPP theme.

Disclaimer:
This report is prepared by Hualong Securities Research Institute. The information contained herein is derived from public sources believed to be reliable, but Hualong Securities does not guarantee its accuracy or completeness. The opinions, estimates, and forecasts reflect the judgment of the analysts as of the date of publication and are subject to change without notice. This report is for informational purposes only and does not constitute an offer to sell or a solicitation of an offer to buy any securities. Investors should conduct their own independent research and consult with financial advisors before making investment decisions. Past performance is not indicative of future results.