This hasn't been a good year so far for investors in General Electric (GE -1.75%) -- its stock price is down almost 19% at the time of this writing. However, shares are actually up 9% in the last month. While it's not a good idea to focus too much on short-term price movements, that bounce does highlight the chance that GE could be a value stock to watch in 2018.

In light of that possibility, let's examine what's going right for GE today, what's going wrong, and consider the single most important thing investors will want to see from the company before they can feel confident about buying its stock. 

a gas turbine in a workshop

Falling demand for gas turbines is hurting GE power. Image source: Getty Images.

The positives for General Electric

Although GE was tracking toward the low end of its full-year 2018 EPS guidance range of $1 to $1.07 after its first quarter, a deeper look at its Q1 earnings report shows some important positive trends.

  • Structural cost reductions are expected to exceed the $2 billion target set during the investor day presentation in November.
  • Good earnings momentum in the aviation and healthcare segments is expected to offset earnings declines in the power segment.
  • CEO John Flannery said GE was in active discussions on asset sales -- the company has promised $20 billion worth of asset disposals -- and an announcement regarding the fate of its transportation unit is expected by June.
  • Management announced plans to restructure GE's operating system

In addition, it's likely that the rising price of oil -- above $70 per barrel today -- will boost prospects for Baker Hughes, a GE Company (BKR 0.56%), which is majority owned and controlled by GE. Indeed, the stock price of the oilfield services giant has moved up in anticipation, and its U.S. rig count (the number of its rotary rigs actively exploring and drilling) shows marked improvement -- all of which is good news for GE.

GE Chart

GE data by YCharts

Why guidance still challenged

That said, Flannery and CFO Jamie Miller were guiding toward the low-end of the year's forecast range for a reason. In a nutshell, what Miller said about the power segment's outlook on the Q1 earnings call implies its 2018 earnings will be $500 million lower than previously estimated -- which translates to an EPS cut of around $0.05.

Given that the difference between the low and high ends of GE's implied guidance for its aviation and healthcare units is around $310 million by my calculations, that power segment shrinkage suggests that hitting its 2018 EPS guidance range won't be a walk in the park. As discussed above, improving conditions for Baker Hughes are likely to boost GE's results, but the real problem is the ongoing deterioration in the power unit's end markets.

What's happening in power end demand

Both GE's current and previous leaders have underestimated the deterioration in demand for gas turbine equipment and servicing. That weakness is being caused by a combination of stagnant electricity demand, rising use of renewable sources for electricity generation, and declining costs for energy storage (which makes renewables a more viable option).

This shrinkage in its end markets is particularly problematic because GE power was structured for a far higher level of demand. The company is making progress on cost-cutting, but as Miller put it on the Q1 earnings call: "...from a market perspective, as we talk about the market, what you really see there is progress burn not being replaced as quickly by progress coming in from new orders. So, Power for this year continues to look like a real second-half profile story."

For perspective, market demand for heavy-duty gas turbines (HDGT)  declined from 48 gigawatts in 2016 to just 34 gigawatts in 2017 (former CFO Jeff Bornstein had predicted 40 gigawatts in demand for 2017), and GE is now planning for annual demand in the range of 30 gigawatts to 34 gigawatts. Unfortunately, in the Q1 earnings presentation, Flannery outlined that over the last six months the market has actually trended toward annual demand of less than 30 gigawatts.

What this means for GE Power

The effect of all this on GE can be seen in its informal guidance for HDGTs, aeroderivatives (smaller turbines derived from aviation engines) and advanced gas path (AGP) solutions. AGPs are upgrades to existing turbines, and they've been so successful that they may have cut into new turbine demand, according to CEO of GE Power Russell Stokes.

GE started 2017 expecting to ship between 155 and 165 AGP units, and around 96 aeroderivatives -- in the end, it only shipped 80 and 40 respectively. However, HDGT shipments of 102 were in line with the original guidance range of 100 to 105. Turning to this year, the table below summarizes the trends in GE's informal guidance. 

Power Generation System 2018 Unit Sales Forecast, Nov. 2017
2018 Unit Sales Forecast, Jan. 2018  2018 Unit Sales Forecast, April 2018
Advanced Gas Path Solutions 30 to 50 40 N/A
Heavy Duty Gas Turbines 65 to 75 60 to 70 50 to 55
Aeroderivatives N/A 30 to 40 20 to 30

Data source: General Electric Company presentations. Table by author.

The most important thing GE needs to do

GE's management has a lot of things on its plate. From divesting assets to ensuring it has enough liquidity to restructure the company and pay its dividend, its challenges are ongoing. Meanwhile, an SEC investigation into its accounting policies hangs over the company and management needs to regain the trust of the investment community. 

However, even if most or all of these issues are successful, the one thing GE must do is stabilize its power segment, and investors will see evidence of that when GE stops reducing its power segment guidance. However, stabilizing sales from that unit won't be easy. Miller says she's expecting it to be a "second-half profile story," but demand trends suggest otherwise. Regardless, any additional cuts to GE Power's revenues would significantly threaten the conglomerate's EPS and its cash flow.