Shares of Enphase Energy Inc ( ENPH ) , a leading solar energy technology provider, have fallen 17% this week amid a series of analyst rating updates.

Donald Trump’s re-election and GOP congressional gains signal a potential shift away from the renewable energy incentives that have bolstered the industry.

What To Know: Enphase Energy ( ENPH ) has thrived in recent years due to favorable federal and state policies promoting green energy, including tax credits that make solar systems more affordable for homeowners and businesses.

The company has benefited from the extension of the federal solar investment tax credit and the broader clean energy policies of the Biden administration, which aligned with investor expectations for a sustained green transition. However, Trump's new term, alongside GOP legislative support, could jeopardize these subsidies.

A central component of Trump's economic platform is repealing various green energy tax credits, including those for solar installations, which could directly impact Enphase's core customer base. Trump has argued that these incentives distort the energy market and intends to prioritize tax breaks for fossil fuel production instead.

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This policy shift could result in reduced demand for solar installations if tax credits are repealed, as consumers and businesses may find it less financially viable to invest in solar energy without government assistance.

What Else: Trump’s proposed economic approach also includes rolling back environmental regulations, which could favor traditional energy sectors over renewables.

With the Republican-led Congress expected to support these policies, the likelihood of favorable conditions for fossil fuels has increased, raising concerns about competition within the energy sector.

Analysts also warn that a potential increase in trade tariffs could hurt Enphase's supply chain. Trump has committed to reimposing high tariffs on Chinese goods and implementing a 10% universal tariff on all imports.

Enphase, which sources components globally to keep production costs low, could see rising material costs under these tariffs. Higher costs would likely compress margins and challenge Enphase's pricing power, potentially making it harder to compete with fossil fuel energy sources whose production may become relatively cheaper.

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According to data from Benzinga Pro, ENPH has a 52-week high of and a 52-week low of