Vesper Energy brings 600MW Hornet solar project online in Texas

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Hornet Solar project from Vesper Energy in Texas, US
Hornet Solar is one of the largest single-phase PV projects in the US. Image: Vesper Energy.

Texas-based renewables developer Vesper Energy has begun commercial operations on its 600MW Hornet Solar project.

The project, located over six square miles in Swisher County, Texas, is one of the largest single-phase PV projects in the US, comprising over 1.36 million solar modules, Vesper said. The company completed the construction of the site in January.

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Vesper secured almost US$600 million in financing through a construction-to-term loan for the Hornet solar project in February 2024. The funding leveraged Production Tax Credit (PTC) funding under the Inflation Reduction Act (IRA) to the tune of almost US$500 million, Vesper said at the time.

The developers have also signed a number of power purchase agreements (PPA) with US companies, notably a 310MW virtual PPA for part of Hornet Solar’s capacity with pharmaceutical giant Pfizer in October 2021. At the time, Pfizer said the deal would “effectively power 100%” of its North American operations.

In November, Zach Wald, senior director of project execution, Vesper Energy, wrote for PV Tech Premium in November about the specifics of developing the Hornet project. He explained the challenges and particularities of developing a project of such significant size.

PV Tech publisher Solar Media will be organising the fourth edition of Large Scale Solar USA in Dallas, Texas 29-30 April. After a record year for solar PV additions in the US, the event will dive into the ongoing uncertainties on tariffs, tax credits and trade policies as more domestic manufacturing becomes operational. Other challenges, such as the interconnection queues and permitting, will also be covered in Dallas. More information, including how to attend, can be read here.

13 October 2026
San Francisco Bay Area, USA
PV Tech has been running an annual PV CellTech Conference since 2016. PV CellTech USA, on 13-14 October 2026 is our fourth PV CellTech conference dedicated to solar manufacturing in the USA. From polysilicon, wafers, ingots, cells and modules, to critical component suppliers including glass and frames, the event connects every stage of the value chain under one roof. PV CellTech USA also brings together investors, innovators, manufacturers and industry stakeholders to collaborate and strengthen domestic solar manufacturing across the United States.

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