2026 Capacity Milestones
As of February 2026, China added 45 GW of solar capacity in just two months, bringing total solar to 1,232 GW and total renewables to 2,381 GW. For context, China's total installed power capacity is approximately 3,500 GW — meaning renewables now represent roughly 68% of all generation capacity.
Wind power grew 18% year-over-year in the same period, while solar added 23% compared to the same timeframe in 2025. The growth rate in early 2026 actually exceeded the government's annual targets, suggesting the 15th Five-Year Plan will need to address the curtailment challenge — wasted renewable energy due to grid infrastructure lag.
Curtailment and Grid Reality
With 2,381 GW of renewables online, grid operators are increasingly struggling to absorb the intermittent generation. The National Energy Administration reported curtailment rates of 3.1% for solar and 2.8% for wind in early 2026 — while these numbers sound small, they represent over 100 TWh of wasted clean energy annually.
The solution being deployed is the Western Energy Corridor — massive UHV (Ultra-High Voltage) transmission lines running from Gansu, Qinghai, and Xinjiang solar farms to eastern load centers. As of 2026, approximately 80 GW of new UHV capacity has come online, but the demand growth from AI data centers and manufacturing is outpacing transmission buildout by an estimated 15-20%.
Key Data Points
| Metric | 2025 | 2026 (early) | Change |
|---|---|---|---|
| Total Solar Capacity | 1,187 GW | 1,232 GW | +45 GW (Jan-Feb) |
| Total Wind Capacity | 520 GW | ~530 GW | +10 GW |
| Total Renewables | ~2,200 GW | 2,381 GW | +181 GW |
| Renewable Share of Capacity | ~63% | ~68% | +5pp |
| Annual Energy Intensity Target | 5.5% | Target ongoing | On track? |
| Curtailment Rate (Solar) | ~4.0% | 3.1% | Improving |
Storage Deployment
Battery storage is the critical missing link. China's grid-scale battery storage reached 28 GW by early 2026, up from just 8 GW in 2024. The cost per kWh dropped below $100 for the first time, driven by lithium iron phosphate (LFP) technology maturation and domestic supply chain dominance. CATL and BYD collectively control approximately 70% of global LFP production.
The government's 15th Five-Year Plan (2026-2030) includes explicit targets for 50 GW of new grid-scale storage by 2028. However, the economics of storage are still dependent on government mandates rather than pure market forces — grid operators are required to pair new renewable builds with 10-20% storage capacity.
International Context
China's 2026 carbon intensity reduction target of 5.5% annual improvement is ambitious by historical standards. For comparison, the EU achieved an average of 1.5-2.0% annual improvements over the past decade. China's faster pace is enabled by two factors: (1) the absolute cost of renewables is lower in China due to domestic manufacturing dominance, and (2) China's grid is still adding capacity faster, so the marginal new generation is cleaner than the marginal existing generation.
However, absolute emissions are still rising because overall energy demand is growing 4-5% annually, offsetting the intensity improvements. The peak is expected around 2027-2028 based on current trajectories.