[REVISION HISTORY]

Global energy trends: Renewables growth and AI demand

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2026-10-22 23:09 UTC → 2026-10-30 07:39 UTC · added ~~removed~~

Global energy investment reached $3.3 trillion in 2026, with $2.2 trillion directed toward clean energy. While renewables are expanding, coal spending rose to $180 billion, largely due to China. In the U.S., renewable electricity supplied 30.0% of generation in early 2026, but the rapid development of artificial intelligence and data centers has slowed the phase-out of coal-fired plants. India is navigating a complex transition toward its 2070 net-zero goal. By late ~~August~~ 2026, ~~India surpassed~~ non-fossil fuel capacity exceeded 300 GW GW, representing over 54 percent of total installed ~~non-fossil fuel~~ capacity. However, ~~renewables currently produce less than one-third of consumed~~ rapid generation growth has outpaced electrical power capacity, leading to significant electricity shortages. In September 2026, the monthly deficit reached 544 million units, the highest recorded so far this year. This shortage was exacerbated by a 20 percent decline in hydropower due to El Niño-related rainfall reductions. Grid integration remains a ~~mismatch between peak solar production and evening demand. This imbalance has led~~ critical hurdle. Solar curtailment continues as transmission networks struggle to ~~significant solar curtailment; data from Ember indicates India curtailed nearly 11 terawatt-hours~~ absorb excess generation, with reports indicating over 8 TWh of solar ~~generation over a 15-month period due to grid limitations.~~ power was curtailed between April and June 2026. To address ~~these gaps, India~~ this, the government is ~~targeting massive expansions in storage and nuclear power.~~ focusing on the Green Energy Corridor Phase III to facilitate the evacuation of 135 GW of renewable energy. The Battery Energy Storage System (BESS) sector ~~saw a dramatic surge in the first half of 2026, with capacity reaching 9.3 GWh—an 84-fold increase over the previous year.~~ is projected to grow 91 percent annually through FY32. While Rajasthan leads in cumulative installations, the sector faces pricing pressures from rising raw material costs and competition for components from AI data center demand. To manage the ‘duck curve,’ lithium-ion dominates, the ~~Central Electricity Authority~~ market is ~~exploring thermal plant flexibility~~ expanding with new manufacturing targets and ~~has proposed making co-located~~ state-level mandates, such as in Tamil Nadu, requiring storage ~~mandatory~~ for new ~~projects after July 2027. In Chhattisgarh, regulators have proposed making BESS mandatory for new distributed renewable projects exceeding 5 MW starting April 1, 2027. Solar~~ hybrid projects. Cumulative solar capacity reached 171.05 GW by late September ~~2026. The industry is shifting focus toward long-term asset durability and localized manufacturing,~~ 2026, with ~~domestic solar cell manufacturing capacity scaling to meet~~ a growing ~~demand. In the first half of 2026, India added 50.6 GW of solar module manufacturing capacity~~ shift toward rooftop and ~~9.7 GW of solar cell capacity.~~ hybrid installations.

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