1. China's electricity market reforms are entering a disruptive stage as spot trading expands, exposing users and developers to risks previously hidden by administrative pricing [para. 1]. Real-time pricing is re-ordering incentives, determining the value of flexibility and renewable investment [para. 2]. 2026, the "first year of spot-power trading," clears prices every 15 minutes [para. 4]. The State Council targets spot markets by 2027 and a unified national market by 2030 [para. 5]. Trading volumes hit 6.64 trillion kWh in 2025 (64% of total consumption) [para. 7]. By May 2026, wind and solar capacity reached 1.92 billion kW (47.9% of total capacity), their intermittency becoming a leading source of volatility [para. 9].
2. Volatility is the clearest effect of reform, with electricity no longer a stable background cost for businesses [para. 12]. Companies in the same province can pay markedly different prices depending on their strategies [para. 13]. The market is increasingly sensitive to external shocks; for example, Middle East-linked gas prices drove Guangdong's spot prices 162.9% above contract averages, while a snowstorm in Shanxi pushed prices to the market ceiling [para. 15][para. 16]. Extremes run in both directions, with zero and negative prices becoming common as wind and solar generators bid aggressively during high output [para. 17]. This has made traditional fixed time-of-use tariffs outdated, leading 14 regions to cancel or prepare to cancel them [para. 19].
3. Despite volatile energy charges, total power bills are not falling as system-balancing costs rise sharply [para. 21]. "System operation fees," covering the cost of grid stability, climbed from 8% of commercial bills to over 15% in Q1 2026, exceeding 25% in some regions [para. 24]. This is driven by a March 2025 policy ending subsidies and forcing renewables into the market via a "mechanism price" system [para. 25]. The system is under strain in Xinjiang, where competition drove solar bids to 0.15 yuan/kWh and curtailment reached 40-50%, stalling new project approvals [para. 26][para. 27]. System operation fees are expected to keep climbing as China targets 3.6 TW of wind and solar by 2035 [para. 30].
4. Spot markets have dealt a severe blow to power retailers [para. 32]. Many locked users into discounted fixed-rate contracts expecting low prices, a strategy that unraveled when heat and gas prices drove spot rates higher [para. 33][para. 34]. Guangxi retailers recorded combined losses of nearly 370 million yuan in two months, and Anhui retailers lost over 100 million yuan in the first quarter [para. 34]. The shakeout is accelerating consolidation, forcing retailers to adopt sophisticated trading and storage to survive [para. 35][para. 37]. The grid is also adjusting through tariff reforms that lower volumetric rates but raise capacity charges to encourage efficiency [para. 38]. Pilots for a "direct green-power supply" model are expanding, though their economics remain problematic [para. 41][para. 44].
5. A major breakthrough came in June with China's first market-based trade of interprovincial transmission rights on the Yunxiao high-voltage direct current (HVDC) link [para. 46]. This pilot separated the pricing of electricity from the pricing of the transmission channel [para. 47]. On June 21, BASF's integrated site in Zhanjiang used green electricity from Anhui through this mechanism, involving 68 renewable energy companies and 220 million kilowatt-hours of transactions [para. 50]. This marks a key step in weakening provincial protectionism and signifies a firm shift toward cross-regional market competition, even if a truly unified national market remains difficult [para. 51].
AI generated, for reference only
Sign in with Google
Sign in with Facebook
Sign in with 财新