How to buy Atlantic Power shares

Easy steps to invest in Atlantic Power stock in the UK.

Atlantic Power Corporation (AT) is a publicly traded utilities - independent power producers business based in the US which employs around 250 staff. Atlantic Power is listed on the NYSE and traded in US dollars.

How to buy shares in Atlantic Power

  1. Open a brokerage account. Choose from our top broker picks or compare brokers in depth. To trade US shares you'll need to complete a W8-BEN form – typically part of the sign-up process.
  2. Fund your account. Add money to your account via bank transfer or debit card.
  3. Search the platform by ticker symbol. AT in this case.
  4. Choose an order type. Place a market order (or limit order, if you want to try to hold out for a specific price) with your preferred number of shares or investment amount.
  5. Submit the order. It's that simple.
The whole process can take as little as 15 minutes. You'll need a smartphone or computer, an internet connection, your passport or driving licence and a means of payment.

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Atlantic Power stock chart

Use our graph to track the performance of AT stock over time.
These providers cover a wide range of stocks, but we can't guarantee they'll all offer this stock.

All investing should be regarded as longer term. The value of your investments can go up and down, and you may get back less than you invest. Past performance is no guarantee of future results. If you’re not sure which investments are right for you, please seek out a financial adviser. Capital at risk.


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Is it a good time to buy Atlantic Power stock?

Review technicals and fundamentals to help you determine if now's a good time for you to invest.

Technical analysis

View Atlantic Power's price performance, share price volatility, historical data and technicals.

The gauge below shows real-time ratings that are based on 26 popular indicators such as moving averages, for specific time periods. It's not a recommendation but is simply technical analysis that can form part of your research.

Finder might not agree with the analysis and we take no responsibility. We also give no representations or warranty on the accuracy or completeness of the information provided on this page.

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All investing should be regarded as longer term. The value of your investments can go up and down, and you may get back less than you invest. Past performance is no guarantee of future results. If you’re not sure which investments are right for you, please seek out a financial adviser. Capital at risk.


Is Atlantic Power under- or over-valued?

Valuing a stock is incredibly difficult, and any metric has to be viewed as part of a bigger picture of overall performance. However, analysts commonly use some key metrics to help gauge value. Check out the Atlantic Power P/E ratio, PEG ratio and EBITDA.

Atlantic Power's current share price divided by its per-share earnings (EPS) over a 12-month period gives a "trailing price/earnings ratio" of roughly 7x. In other words, Atlantic Power's shares trade at around 7x recent earnings.

That's relatively low compared to, say, the trailing 12-month P/E ratio for the United States stock markets on average as of March 2025 (25.37). The low P/E ratio could mean that investors are pessimistic about the outlook for the shares or simply that they're under-valued.

Atlantic Power's "price/earnings-to-growth ratio" can be calculated by dividing its P/E ratio by its growth – to give 0.68. A PEG ratio below 1 can be interpreted as meaning the shares are not overvalued given the current rate of growth.

The PEG ratio provides a broader view than just the P/E ratio, as it gives more insight into Atlantic Power's future profitability. By accounting for growth, it could also help you if you're comparing the share prices of multiple high-growth companies.

Atlantic Power's EBITDA (earnings before interest, taxes, depreciation and amortisation) is $87.9 million (£65 million).

The EBITDA is a measure of Atlantic Power's overall financial performance and is widely used to measure a its profitability.

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