The most revealing fact about China’s clean-energy dominance is that it hurts. Having won the solar supply chain so completely, its manufacturers turned their firepower on each other, and the result is a bloodbath of the victors. In fiscal 2024 Longi lost about 8.6 billion yuan, Tongwei roughly 7 billion, and TCL Zhonghuan somewhere between 8 and 9 billion, three of the industry’s strongest names, all deep in the red, with the losses running on into 2025.[1]

¥8.6bn
Longi fiscal 2024 loss
Twice
Global module capacity against 2024 installations
30%
Workforce cuts at the top five makers, 2024
3,521%
Top combined US duty rate, certain Cambodian producers
a maximum aimed at specific non-cooperating firms, not a blanket rate

The cause is a textbook glut. The world built solar manufacturing capacity to make more than twice the modules it actually installed in 2024, and prices behaved accordingly: module prices halved in 2023 and fell a further 25% in 2024, bottoming near nine to ten cents a watt: at or below the cash cost of production.[4][3] Polysilicon collapsed from around 230,000 yuan a tonne to 65,000 in 2023, then fell again. The top five makers cut their workforces by more than 30% in 2024; dozens of smaller firms simply vanished.[4]

When you can make anything cheaper than anyone, the last competitor left to destroy is yourself. China calls the disease ‘involution.’
Fiscal 2024 losses at three leading Chinese solar makersLosses in billions of yuan, and the brief reports them running on into 2025. TCL Zhonghuan is given as a range of 8 to 9 billion, so the low end is shown.
Longi: 8.6bn yuanLongi8.6bn yuanTCL Zhonghuan (low end of 8–9): 8bn yuanTCL Zhonghuan (low end of 8–9)8bn yuanTongwei: 7bn yuanTongwei7bn yuan
Show as a table
SeriesValue
Longi8.6bn yuan
TCL Zhonghuan (low end of 8–9)8bn yuan
Tongwei7bn yuan

Source: reference [1] below.

The state against the price war

China has a word for this self-defeating competition, “involution,” nei juan, and Beijing has begun to fight it. Regulators leaned on manufacturers to stop selling below cost, ran energy-efficiency inspections, pursued intellectual-property cases against dozens of firms, and by late 2025 set up a roughly 3-billion-yuan fund to buy up and retire low-efficiency polysilicon capacity.[4] Prices began to recover toward 0.66–0.70 yuan a watt. It is industrial policy turned inward: the same state that built the overcapacity now trying to ration it away.

Tariffs on top

The world added its own pressure. In April 2025 the United States finalised anti-dumping and countervailing duties on solar imports routed through Southeast Asia, with the top combined rate reaching an almost surreal 3,521% for certain Cambodian producers.[2] The number needs a caveat: it is a maximum, aimed at specific non-cooperating firms, not a blanket rate; most exporters face lower, though still punishing, triple-digit duties. The direction, again, is unambiguous: the cheap-export escape valve is being welded shut.

The part that matters

Overcapacity is the shadow side of every Chinese clean-tech success, and it reframes the whole sector. Dominance and profitability are not the same thing; China can own an industry and still make it a graveyard for capital, as solar now shows and batteries and EVs may follow. The discipline is to separate the technological victory, which is real and durable, from the equity returns, which the price war can erase for years. We watch three things: whether the anti-involution campaign actually restores pricing power or merely pauses the bleeding, which balance sheets survive to the other side, and whether the same script is now running in batteries. Winning the war is not the same as surviving the peace.

The one-line versionChina won the solar war so completely its own champions are bleeding: Longi −8.6bn yuan in 2024, Tongwei −7bn, selling modules below cost. Beijing now fights its own price war ('anti-involution'); the US slapped tariffs up to 3,521% on the exports. Dominance and profitability aren't the same thing.
What each source supports
RefPublicationDateSupports
[1]pv magazineJan 2026Fiscal 2024 losses at Longi, Tongwei, TCL Zhonghuan
[2]Solar Power WorldApr 2025US anti-dumping duties and the top rate
[3]EnergyTrendJul 2024Module price falls and the cash-cost floor
[4]CSISMar 2026Glut, job cuts, anti-involution measures

References

  1. pv magazine, “Chinese PV Industry Brief: Longi, Tongwei announce sharp losses for fiscal 2025,” Jan 2026. Read source ↗
  2. Solar Power World, “Commerce reveals final tariff amounts on Southeast Asian solar imports,” Apr 2025. Read source ↗
  3. EnergyTrend, “China Module Prices Decline Amid Weak Demand and Oversupply Pressures,” Jul 2024. Read source ↗
  4. Center for Strategic and International Studies (CSIS), “China’s Solar Industry Is in Upheaval — The Effects Will Be Global,” Mar 2026. Read source ↗

Every source above is public and linked. This is a research brief from Singularity Dynamics; full briefings on this topic are available on request.

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