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Centrica's (LON:CNA) Conservative Accounting Might Explain Soft Earnings

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A lackluster earnings announcement from Centrica plc (LON:CNA) last week didn't sink the stock price. However, we believe that investors should be aware of some underlying factors which may be of concern.

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LSE:CNA Earnings and Revenue History March 29th 2025

Examining Cashflow Against Centrica's Earnings

One key financial ratio used to measure how well a company converts its profit to free cash flow (FCF) is the accrual ratio. In plain english, this ratio subtracts FCF from net profit, and divides that number by the company's average operating assets over that period. You could think of the accrual ratio from cashflow as the 'non-FCF profit ratio'.

That means a negative accrual ratio is a good thing, because it shows that the company is bringing in more free cash flow than its profit would suggest. While having an accrual ratio above zero is of little concern, we do think it's worth noting when a company has a relatively high accrual ratio. Notably, there is some academic evidence that suggests that a high accrual ratio is a bad sign for near-term profits, generally speaking.

Centrica has an accrual ratio of 0.44 for the year to December 2024. Ergo, its free cash flow is significantly weaker than its profit. Statistically speaking, that's a real negative for future earnings. Indeed, in the last twelve months it reported free cash flow of UK£733m, which is significantly less than its profit of UK£1.33b. Centrica's free cash flow actually declined over the last year, but it may bounce back next year, since free cash flow is often more volatile than accounting profits. However, that's not all there is to consider. We can see that unusual items have impacted its statutory profit, and therefore the accrual ratio.

Check out our latest analysis for Centrica

That might leave you wondering what analysts are forecasting in terms of future profitability. Luckily, you can click here to see an interactive graph depicting future profitability, based on their estimates.

The Impact Of Unusual Items On Profit

Unfortunately (in the short term) Centrica saw its profit reduced by unusual items worth UK£4.3b. In the case where this was a non-cash charge it would have made it easier to have high cash conversion, so it's surprising that the accrual ratio tells a different story. It's never great to see unusual items costing the company profits, but on the upside, things might improve sooner rather than later. We looked at thousands of listed companies and found that unusual items are very often one-off in nature. And that's hardly a surprise given these line items are considered unusual. In the twelve months to December 2024, Centrica had a big unusual items expense. All else being equal, this would likely have the effect of making the statutory profit look worse than its underlying earnings power.