Solar PV pricing regulation continues to advance, with glass and hydropower becoming structural highlights

Overview

This report tracks policy, prices, profitability, inventories, share price performance and hydropower output in China's solar PV and utilities industries. For solar PV, regulators and industry associations are rectifying low-price competition through price compliance requirements and unified cost accounting standards, but supply-demand imbalances in the main value chain have not yet been eliminated. Solar glass has seen mild improvement first due to increased production line maintenance, supply contraction and inventory destocking. In utilities, China Yangtze Power's hydropower output rebounded significantly in July, and combined with stable dividends and a relatively high free cash flow yield, its defensive value is prominent.

Core views

First, the new cost accounting standards and price compliance regulation help improve cost transparency and pricing discipline, but similar previous measures had limited impact on actual prices, so policy effects still need to be observed. Second, the near-term fundamentals of the main solar PV value chain remain weak, with wafer prices continuing to fall, polysilicon still in cash losses, and wafers and cells only near cash breakeven. Third, solar glass is one of the few segments showing marginal improvement, as maintenance-related production cuts drive price increases and inventory declines; Xinyi Solar (0968.HK) has a favorable risk-reward profile at a low valuation. Fourth, China Yangtze Power's (600900.SS) hydropower output accelerated in July and is expected to support third-quarter growth; the premium of its dividend yield over government bond yields and its relatively high free cash flow yield enhance its allocation appeal during periods of market volatility.

Analysis framework

The report combines tracking of regulatory events, weekly solar PV value chain prices and unit profit monitoring, observations of output and capacity utilization, inventory cycle analysis, sub-sector share price performance and valuation comparisons, as well as hydropower output and dividend yield tracking, to make relative value judgments on solar PV value chain and utility assets.

Methodology notes

• Policy and industry competition analysisTracking of pricing discipline and cost accounting policies

  Assess the possibility of improving competitive order in the solar PV industry through regulatory meetings, industry cost accounting standards and supervision of below-cost competition.

  The report focuses on the SAMR price compliance meeting and the general rules for the solar PV industry cost accounting model released by CPIA, and compares policy progress with the limited impact of previous measures on industry prices.

• Value chain profitability analysisPrice and cash profit tracking

  Use spot prices and changes in unit profits across segments to identify profitability pressure and areas of marginal recovery in the value chain.

  Tracking results show wafer prices fell 3% this week, polysilicon companies remain in cash-loss territory, and wafer and cell companies are around cash breakeven.

• Inventory cycle analysisSolar glass supply contraction and inventory destocking

  Assess the turning point of the solar glass cycle by combining production line maintenance, price changes and inventory days.

  More production lines entering maintenance pushed supply lower; solar glass prices have risen 2% to 4% since mid-July, and inventory declined from the June high of 53 days to about 45 days as of July 30.

• Utilities fundamental analysisHydropower output tracking

  Evaluate operating momentum of hydropower companies through monthly and quarterly power generation growth.

  The report estimates that China Yangtze Power's July power generation grew 16% YoY and expects third-quarter growth to accelerate versus 7% in the first quarter and 3% in the second quarter.

• Relative valuation analysisComparison of dividend yield and government bond yield spread

  Compare equity dividend yields with risk-free rates to measure the relative allocation value of high-dividend assets.

  China Yangtze Power's FY26E dividend yield is 3.7%, about 200 basis points higher than China's 10-year government bond yield, with the spread close to historical highs.

Asset mapping & comparison

Structured mapping from thesis to named assets (strengths, weaknesses, peers, risks).

• China solar PV value chain

  Direct industry coverage

  Strengths

  Stronger regulatory pricing discipline and unified cost accounting standards are expected to improve cost transparency and curb irrational low-price competition.

  Weaknesses

  Overcapacity and weak demand continue to suppress prices; polysilicon companies are in cash losses, while wafer and cell companies are only near cash breakeven.

  Comparison

  Solar glass price and inventory trends are better than those of main value chain segments such as polysilicon, wafers and cells.

  Risks

  Limited policy execution effects, insufficient supply contraction, continued weakness in end demand and ongoing price competition.

• Xinyi Solar (0968.HK)

  Direct beneficiary target in solar glass

  Strengths

  Solar glass prices are rising and inventories are falling, while a 0.6x P/B provides some valuation support; its July share price clearly outperformed solar PV peers.

  Weaknesses

  End demand remains weak, and industry inventory is about 45 days, still not low in absolute terms.

  Comparison

  Compared with other solar PV segments still under cash-loss or low-profit pressure, solar glass shows clearer marginal improvement.

  Risks

  Resumption of maintained production lines leading to supply recovery, slowing inventory destocking, a pullback in glass prices and weaker-than-expected solar PV demand.

• China Yangtze Power (600900.SS)

  Core hydropower and high-dividend target

  Strengths

  July power generation grew about 16% YoY, and the third quarter enters the peak hydropower season; FY26E dividend yield is 3.7%, payout ratio exceeds 70%, and free cash flow yield exceeds 6%.

  Weaknesses

  Operating performance is affected by inflows and quarterly hydrological conditions, and the report did not provide a new target price or individual stock rating.

  Comparison

  Its dividend yield is about 200 basis points higher than China's 10-year government bond yield, with the spread close to historical highs, giving it stronger defensiveness during periods of market volatility.

  Risks

  Water inflows below expectations, power generation growth falling short of forecasts, rising government bond yields weakening dividend appeal, and market valuation volatility.

Key data

• Solar PV companies participating in the price compliance meeting27 companiesSAMR held the meeting on July 31, 2026.
• Weekly wafer price change-3%Short-term price pressure remains despite continued regulatory progress.
• Solar glass price change+2% to +4%Since mid-July 2026, maintenance-related production cuts have supported a price recovery.
• Solar glass inventoryAbout 45 daysAs of July 30, 2026, below the June high of 53 days.
• Xinyi Solar share price performance in July+5%Outperformed other solar PV peers by 17 percentage points.
• Xinyi Solar valuation0.6x P/BThe report considers its risk-reward profile attractive.
• China Yangtze Power July power generation growthAbout +16% YoYAn estimate from the report's tracking model.
• China Yangtze Power quarterly power generation growth+7% in 1Q26, +3% in 2Q26The report expects growth to accelerate in 3Q26.
• Share of hydropower generation in the third quarterAbout 37% of the full yearThe third quarter is typically the peak season for hydropower generation.
• China Yangtze Power FY26E dividend yield3.7%About 200 basis points higher than China's 10-year government bond yield.
• China Yangtze Power payout ratioOver 70%Supports strong dividend visibility.
• China Yangtze Power free cash flow yieldOver 6%An important support for its high-dividend and defensive attributes.
• Weekly sub-sector share price performanceSolar PV +5%, gas +4%, renewable energy operators +2%, hydropower +1%As of July 31, 2026; Hong Kong utilities and independent power producers were broadly flat.

Impact & implications

Policy constraints on low-price competition are conducive to improving pricing order in the solar PV industry over the medium to long term, but against a backdrop of excess capacity and weak end demand, near-term profit recovery may remain uneven. In allocation, solar glass, which benefits from supply contraction and inventory destocking, is preferable to main value chain segments that are still in cash losses or near breakeven. In the utilities sector, improved hydropower output, stable dividends and a yield premium over government bonds make China Yangtze Power more defensive in a volatile market environment.

Risks

• Previous measures to rectify low-price competition had limited impact on industry prices, and the actual execution effect of the new round of regulation remains uncertain.
• Persistently weak end demand for solar PV, overcapacity and falling prices may prolong the value chain's loss cycle.
• Although solar glass inventory has declined, it remains around 45 days; if supply recovers faster than demand, the price recovery may reverse.
• China Yangtze Power's power generation forecast depends on hydrological and inflow conditions, and actual output may deviate from tracking model estimates.
• Rising interest rates may narrow the yield advantage of high-dividend stocks relative to government bonds.
• Market, exchange rate, liquidity and regulatory changes may cause price volatility and investment losses in related securities.

What to watch

• The implementation scope of solar PV cost accounting standards, the intensity of regulatory inspections and the actual constraints on below-cost quotations.
• Whether prices of wafers, polysilicon, cells and modules can stop falling, and changes in cash profits across segments.
• The scale of solar glass maintenance, pace of production resumption, inventory days and price sustainability.
• China's new solar PV installations and the recovery of end demand.
• China Yangtze Power's 2026 third-quarter water inflows, power generation growth and peak-season output performance.
• China Yangtze Power's payout ratio, free cash flow yield and the spread of its dividend yield over China's 10-year government bond yield.