Observed Signal · May 19, 2026 · Research Report · Source: techcrunch · Impact: 3/5 · Sentiment: Neutral
Solar to Dominate by 2035; AI Data Centers Sustain Fossils
A BloombergNEF report, cited by TechCrunch, forecasts that solar will become the largest source of power by about 2035 driven largely by rapidly falling costs and industrial-scale manufacturing. The consultancy warns that rising electricity demand from AI data centers and broader electrification will also drive large new capacity builds — including significant additions of gas and coal — because fossil plants can supply continuous 24/7 power. BloombergNEF projects data centers will spur major capacity additions across technologies and expects fossil fuels to supply about 51% of incremental generation for data centers by 2050. The report notes competing options (long‑duration storage, geothermal, nuclear) and cites corporate activity — such as Google buying $1 billion of 100‑hour batteries from Form Energy — that could shift outcomes depending on policy and technology adoption.
The BloombergNEF report links rapid growth in AI data center demand to large changes in power capacity mixes and pricing; those forecasts affect infrastructure planning, energy procurement, decarbonization strategies, and operating costs for cloud and AI providers.
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Key Takeaways & Evidence Grounding
- BloombergNEF projects solar will be the largest power source by 2035.
- BloombergNEF expects data centers to drive additional capacity including: 1 terawatt of utility‑scale solar, 400 gigawatts of solar, 370 gigawatts of natural gas, and 110 gigawatts of coal.
- BloombergNEF forecasts fossil fuels will provide 51% of incremental generation for data centers by 2050 due to their 24/7 dispatchability.
- Solar panel prices are expected to fall another ~30% by 2035, and by 2050 solar is projected to generate more than twice as much electricity as natural gas.
- Google has included $1 billion worth of 100‑hour batteries from Form Energy in a recent data center project, highlighting interest in long‑duration storage.
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Related Market Signals & Shifts
Recent verified developments and strategic activity across this market segment.
Investing in Energy Tech: The Smart Move for AI Boom
A Sightline Climate report warns that power constraints are slowing data center builds, creating investment opportunities in energy technologies. Of 190 gigawatts of planned data center capacity tracked, only 5 GW are under construction and about 6 GW came online last year; roughly 36% of projects slipped timelines in 2025 and up to 50% of announced projects may be delayed. The shortfall in generation and grid capacity is driving large tech companies (Google, Meta, Amazon, Oracle) to invest in solar, wind, nuclear and long‑duration batteries such as Form Energy’s 100‑hour product. Startups focused on power conversion and grid/software management (Amperesand, DG Matrix, Heron Power, Camus, GridBeyond, Texture) are gaining investor attention. Goldman Sachs projects AI will raise data center power consumption ~175% by 2030, while the EIA expects U.S. battery storage capacity to approach 65 GW this year.
Data centers to quadruple U.S. electricity use by 2035
A BloombergNEF forecast projects U.S. data centers will consume one-fifth of U.S. electricity by 2035 — roughly four times today’s share — driven by a surge in AI compute. Data center capacity is expected to approach 200 gigawatts over the next decade, with nearly half devoted to AI training and inference; the U.S. is forecast to account for 64% of AI chip power demand by 2033. BloombergNEF’s 2035 electricity estimate is 83% higher than its prior forecast, and other organizations (EPRI, S&P) have also raised their projections. Major U.S. grids will face strain: PJM could see 34% of its power go to data centers and ERCOT 22%, contributing to higher prices and interconnection challenges. Globally, aggressive AI adoption could add about 1,935 TWh of new demand by 2033.
Electricity Is Becoming AI's Main Bottleneck
This Substack deep dive argues that in 2026 the AI industry's primary constraint is shifting from chips to power. Citing the IEA’s April 2026 report, the author notes global data-centre electricity demand grew 17% in 2025 and demand from AI-focused facilities grew 50%. The IEA projects data-centre consumption will rise from 485 TWh in 2025 to about 950 TWh by 2030. The piece outlines why capital alone cannot deliver the required gigawatts, how power pricing and contracts (including behind-the-meter deals) affect project economics, and the implications for turbine makers, power producers, site selection, and investors over the next three years.
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