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Enphase Energy (ENPH) Pushes Into AI Power As Fair Value Debate Builds

Simply Wall St·09/13/2026 13:15:20
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Enphase Energy (ENPH) is pushing deeper into AI infrastructure, announcing that power modules for its IQ Solid-State Transformer racks are now being built in the United States for megawatt-scale validation.

Enphase Energy’s recent push into AI data center hardware comes amid a weaker price trend. The 30-day share price return is down 10.2% and the 90-day move is down 30.62%, while the year-to-date share price return remains positive at 7.7%. The 1-year total shareholder return is down 3.4%, which points to fading momentum after a series of product and service launches, including the IQ EV Charger 2 expansion in Europe and the growing Enphase Care program in the US.

Scan beyond Enphase Energy and review other AI infrastructure plays with the curated 89 AI infrastructure stocks that could be shaping the next wave of data center power demand.

Bulls point to Enphase Energy’s AI data center push and solid profitability, while bears focus on the sharp share price slide and long 3-year drawdown. Which story does the current valuation actually support?

Most Popular Narrative: 22.7% Undervalued

Enphase Energy’s most followed narrative pegs fair value at $47.01, above the last close at $36.35. This puts a spotlight on what is driving that gap.

Upcoming launches of next-generation products including the IQ9 microinverter with gallium nitride technology, the fifth-generation high-density battery, and bidirectional EV chargers position Enphase to capture new commercial, multi-phase, and EV oriented market segments, leading to a structurally lower cost base and improved gross margins.

Read the complete narrative.

Curious what kind of revenue mix and margin profile sit behind that fair value tag for Enphase Energy. The narrative leans on a specific revenue glide path, a meaningfully higher earnings base, and a slimmer discount rate to tie it all together. The key is how far profitability is modeled to stretch compared with today, and what sort of future earnings multiple is baked in.

Result: Fair Value of $47.01 (UNDERVALUED)

Have a read of the narrative in full and understand what's behind the forecasts.

Still, expiring U.S. homeowner tax credits and elevated microinverter inventories could pressure Enphase Energy’s core solar demand and squeeze margins if pricing has to adjust.

Find out about the key risks to this Enphase Energy narrative.

Another View: Enphase Energy Through The P/E Lens

There is a different story when Enphase Energy is viewed through its P/E ratio. The shares trade at 35.8x earnings, above the fair ratio of 31.7x, yet below the peer average of 57x and the wider US Semiconductor industry at 47.9x. That mix of relative expensiveness versus the fair ratio and discount versus sector and peers raises a simple question: Is the stock pricing in too much company specific risk or not enough sector wide optimism?

See what the numbers say about this price — find out in our valuation breakdown.

NasdaqGM:ENPH P/E Ratio as at Sep 2026
NasdaqGM:ENPH P/E Ratio as at Sep 2026

Next Steps

Mixed opinions are all over Enphase Energy right now, so move quickly, review the full data set, and weigh the 2 key rewards

Looking For More Investment Ideas Beyond Enphase Energy?

You have seen how complex Enphase Energy’s story can be. Do not stop there when other opportunities might suit your goals even better.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.