Solar set to overtake coal on Texas grid this year

Solar power is projected to generate more electricity than coal for the first time in the Electric Reliability Council of Texas market this year. The shift comes as developers add solar capacity rapidly while no new coal plants are built. Federal projections show solar output reaching 78 billion kilowatt-hours in 2026 compared to 60 billion from coal.

The Electric Reliability Council of Texas, or ERCOT, manages the state's competitive power market. Solar output already surpassed coal on a monthly basis last year from March through August. This year it is expected to lead from March through December, according to the U.S. Energy Information Administration at the Department of Energy.

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Tesla Energy substation in UK countryside with Ofgem licence sign, illustrating entry into Great Britain electricity market.
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Tesla secures Ofgem licence to supply electricity in Great Britain

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Tesla Energy Ventures has received approval from the UK energy regulator Ofgem to supply electricity to households and businesses across England, Scotland, and Wales. The licence, effective from March 11, 2026, allows the company to replicate its Texas electricity model despite public opposition linked to Elon Musk's political activities. This marks a key step in Tesla's expansion into the UK energy market after years of building infrastructure.

Two new reports from the International Energy Agency and Ember highlight 2025 as a pivotal year for renewable energy, with solar power leading growth and renewables surpassing coal in global electricity generation for the first time in over a century. This progress occurred amid a war in Iran that disrupted 20 percent of the world's oil and liquefied natural gas supplies. The analyses point to an emerging 'age of electricity' driven by renewables.

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The Unidad de Planeación Minero Energética (UPME) reported that in 2025 solar energy generated 4,473.8 GWh, surpassing coal by 25% at 3,564.2 GWh. President Gustavo Petro highlighted a 1,650% growth under his government. UPME emphasizes the sun's relevant role in the national grid.

The U.S. electric grid loses about 5% of generated electricity during transmission, highlighting the need for better storage and delivery systems to support clean energy. A recent overview outlines seven key innovations addressing these challenges across generation, storage, transmission, and demand.

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Utah became the first state to legalize plug-in solar panels that connect directly to home outlets, inspiring similar legislation in 30 other states and the District of Columbia. Republican state Representative Raymond Ward sponsored the unanimous bill last year after learning about Europe's balcony solar trend. The technology promises affordable solar power without costly rooftop installations.

Homeowners are shifting from exporting excess solar power to the grid toward storing it in batteries due to changing net metering rules and climbing electricity prices. This trend favors systems that combine solar panels with batteries and electric vehicles for better energy management. Experts highlight the potential for integrated whole-home electrification solutions.

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The U.S. federal residential solar tax credit ended on December 31, 2025, altering the economics for homeowners considering rooftop solar. While panel prices hit near-historic lows and technology improves, state incentives now play a larger role. Businesses can still claim a commercial credit for leased systems.

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