Could the National Grid share price crash on government break-up plans?

The National Grid share price is one of the market’s most defensive investments. However, it’s starting to look as if these qualities are under threat.

| More on:

The content of this article was relevant at the time of publishing. Circumstances change continuously and caution should therefore be exercised when relying upon any content contained within this article.

You’re reading a free article with opinions that may differ from The Motley Fool’s Premium Investing Services. Become a Motley Fool member today to get instant access to our top analyst recommendations, in-depth research, investing resources, and more. Learn More.

The National Grid (LSE: NG) share price is one of the most defensive investments on the market. Indeed, I’ve written about the business on multiple occasions explaining why I’d like to add the stock to my portfolio as a defensive income champion. 

However, it’s starting to look as if these qualities are now under threat. Recent government proposals suggest the company could be broken up. As such, I’ve begun to turn cautious on this stock as a long term investment. 

National Grid share price crash

National Grid narrowly escaped a forced breakup in 2017. The market regulator, Ofgem, stopped short of separating the business and instead required management to spin-off the group’s operator division into a legally separate entity.

This entity, National Grid ESO, is the electricity system operator for Great Britain. The business moves electricity around the system to keep homes and businesses supplied with the energy they need. 

National Grid ESO is only a part of the group’s sprawling empire. The transmission side of the business owns the high-voltage transmission network in England and Wales and the national gas transmission system in Great Britain. There’s also the private equity-style National Grid Ventures, which invests in promising energy upstarts. And finally, there’s the US business, which owns and operates critical utility infrastructure primarily on the east coast of America. 

Policymakers accelerated their review into the ESO business following last year’s power cuts across the south of England. The government’s green energy agenda is also cited as being one of the reasons behind the break-up being considered. 

As yet, no decision has been made. Nevertheless, this is a red flag for investors. Splitting up the ESO division would remove National Grid’s monopoly over the market. I reckon this would hurt profitability in the long term. 

Compensation for investors

All reports suggest that compensation will be provided for shareholders in the event of a forced break up. So, this isn’t going to be a deliberate power grab. In my opinion, that removes any immediate threat to the National Grid share price. 

Still, over the long run, I think a forced break up could limit its ability to grow. Shareholders may see lower dividend and earnings growth as a result. 

That said, even if it’s forced to give up the ESO business, National Grid will remain the dominant utility business in the UK. This suggests to me that, post break-up, the company will remain a defensive income investment. However, dividends and future growth may be lower than historical figures. 

As such, I don’t think the National Grid share price will crash on government break-up plans, although I’m not as optimistic about the group’s future potential as I once was. I think other utility firms may now provide better growth profiles.

Rupert Hargreaves has no position in any of the shares mentioned. The Motley Fool UK has no position in any of the shares mentioned. Views expressed on the companies mentioned in this article are those of the writer and therefore may differ from the official recommendations we make in our subscription services such as Share Advisor, Hidden Winners and Pro. Here at The Motley Fool we believe that considering a diverse range of insights makes us better investors.

More on Investing Articles

Abstract 3d arrows with rocket
Investing Articles

Up 25% YTD! Is this red-hot penny stock still ‘cheap’?

This penny stock has been on fire in 2026. Ken Hall takes a closer look at the investment story behind…

Read more »

Man smiling and working on laptop
Investing Articles

Stock market correction? A passive income opportunity!

Looking to turbocharge your passive income? The stock market correction could be a once-in-a-decade chance to do just that, says…

Read more »

Black woman using smartphone at home, watching stock charts.
Investing Articles

Are investors running scared of Babcock and BAE Systems shares?

BAE Systems shares have had a brilliant run, and other UK defence stocks have been flying too. But Harvey Jones…

Read more »

Mature black woman at home texting on her cell phone while sitting on the couch
Investing Articles

As the FTSE 100 falls, savvy investors are looking for stocks to buy for the rebound

Many FTSE stocks have now fallen 10% or more from their 2026 highs. For long-term investors, exciting opportunities are emerging.

Read more »

Portrait Of Senior Couple Climbing Hill On Hike Through Countryside In Lake District UK Together
Investing Articles

Should investors consider buying resilient Admiral Group and Tesco shares as markets wobble?

Harvey Jones is impressed by how Tesco shares have held up in the current market volatility, while Admiral has been…

Read more »

DIVIDEND YIELD text written on a notebook with chart
Investing Articles

Down 15% in a month and yielding 7.5%! Should I buy even more of my favourite dividend stock?

Harvey Jones says this brilliant FTSE 100 dividend stock is suddenly cheaper due to recent market volatility. And the yield…

Read more »

Abstract bull climbing indicators on stock chart
Growth Shares

3 growth shares for an ISA that have beaten the FTSE 100 for the past 5 years

Jon Smith points out several growth shares that have outperformed the broader market over a long period of time, with…

Read more »

Calendar showing the date of 5th April on desk in a house
Investing Articles

Time’s running out for our 2025/26 Stocks and Shares ISA plans!

Never mind the stock market wobble, it's time to turn our attention to our Stocks and Shares ISA investments for…

Read more »