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As the year comes to an end, we bring you a recap of the most-read stories throughout 2025, with the US taking most of the spotlight.

T1 Energy has completed its first sale of Section 45X production tax credits (PTCs) in a deal valued at US$160 million.

PV Tech spoke to JD Dillon of Tigo Energy about its work across different scales of solar operation in the US.

The PV Review, 2025: Three companies have made headlines for their efforts, and failures, to produce polysilicon in the US this year.

PV Tech spoke with accountancy firm Baker Tilly about the new safe harbour and 'start of construction' rules for US solar projects.

The PV Review, 2025: A look back over a turbulent year in US solar policy changes, from the 'Big, Beautiful Bill' to tariff challenges.

Alphabet has announced a definitive agreement to acquire data centre and energy infrastructure solutions provider Intersect for US$4.75 billion in cash. 

CPV Renewable Power and Harrison Street Asset Management (HSAM) have begun commercial operations at its 160MW solar project located in Garrett County, Maryland. 

PV Tech spoke to Marty Rogers of SolarEdge about how US policy rulings and policy uncertainty affected his company's work in 2025.

Emmvee, through its subsidiary Emmvee Energy, has begun operations at its 2.5GW solar module manufacturing plant in Bengaluru, Karnataka.