Record Solar Trade, Rising Health and Grid Strain
What Happened
The clearest movement came from power markets. Fresh Ember analysis of Chinese customs data showed March solar exports hit a record 68 gigawatts, about double February, with at least 50 countries posting all-time highs for imports. Asia and Africa accounted for most of the jump, and India, Nigeria, Kenya, and Ethiopia each imported more than 1 GW for the first time. Ember said the surge likely reflected both higher fossil-fuel prices after the Iran conflict and buyers moving ahead of a change in Chinese export tax rebates.
Broader power data pointed in the same direction. Ember reported that low-carbon generation rose 887 TWh in 2025, enough to cover all 849 TWh of global electricity demand growth, with solar providing about three-quarters of the increase. The Global Wind Energy Council separately said 2025 wind additions reached a record 165 GW. The global buildout remains uneven, but the supply-side trend is still moving strongly toward renewables.
The impact side was less encouraging. The Lancet Countdown Europe said pollen seasons are now starting one to two weeks earlier than in the 1990s, daily extreme-heat warnings have risen 318%, and drought helped leave about 1 million more people food-insecure in 2023 than the historical baseline. In the U.S., drought-fed wildfires in south Georgia prompted a state of emergency across 91 counties, with smoke degrading air quality as far as Atlanta.
A separate U.S. energy story highlighted a major implementation bottleneck. WIRED’s review of air permits linked 11 gas projects to AI data center campuses, with permitted emissions topping 129 million tons a year if the plants run at full modeled capacity. Actual emissions could be lower, but many of the projects are being designed to bypass long interconnection queues by supplying power directly behind the meter.
Key Points
- Chinese solar exports reached a record 68 GW in March, with buying surging across Asia and Africa rather than only in established rich markets.
- Africa’s imports rose 176% to 10 GW, while India, Nigeria, Kenya, and Ethiopia each crossed the 1 GW mark for the first time.
- New annual power data showed solar and wind fully covered global electricity demand growth in 2025, while fossil generation edged down.
- Europe’s latest climate-health briefing tied warming to earlier pollen seasons, more heat exposure, worsening food stress, and higher mosquito-borne disease risk.
- In the U.S., drought and smoke worsened in Georgia, while AI-related electricity demand is increasingly colliding with grid delays and pulling some developers toward gas.
Implications
Yesterday reinforced that clean power demand is being driven by more than climate targets. Fuel-price volatility, energy security, and the need for fast new electricity supply are all pushing solar and wind deeper into mainstream infrastructure decisions. Record trade flows and last year’s power figures both suggest the scaling question is shifting from whether renewables can grow to how quickly systems can absorb them.
The harder constraints are now in delivery and protection. Grid access, interconnection delays, and local permitting are shaping whether new load gets met with clean power or fossil fuel shortcuts. At the same time, climate impacts are showing up in health systems, agriculture, air quality, and emergency response. For policymakers and business planners, those two tracks are increasingly connected: the speed of power-system buildout now matters directly for emissions, public health, and resilience.
Things to watch
Watch
Whether the spike in Chinese solar shipments persists after the export tax change and turns into installations rather than short-term inventory buildup.
Watch
Whether U.S. regulators, utilities, and local communities accept more behind-the-meter gas for AI campuses or push harder for grid upgrades and cleaner supply.
Watch
Whether Europe converts the latest climate-health warnings into practical summer measures on heat planning, air quality, vector surveillance, and food security.