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Beware of the Rooftop Solar Market

http://www.fool.com/investing/general/2013/09/16/the-solar-rooftop-market-is-heating-up.aspx

Joshua Bondy
September 16, 2013

Editor's Note: In a previous version of this article, the author incorrectly stated PG&E was a part owner of the San Onofre Nuclear Generating Station. However Southern California Edison and San Diego Gas & Electric own the two operating units. The Fool regrets the error. 

America's utilities are starting to be supplemented by rooftop solar systems. Instead of facing competition from a select number of other large utilities, now utilities are facing millions of potential competitors. Some utilities are working proactively to deal with these challenges, but others should be avoided.

The utilities
Edison International (NYSE: EIX) is a traditional utility that actively competes with solar through its Southern California Edison subsidiary. California's relatively high electricity costs and healthy amount of sunshine make rooftop solar systems quite attractive. In addition to fighting rooftop solar, Edison is dealing with the estimated $4.1 billion bill to dismantle the San Onofre nuclear power plant, and it is still not clear how much of the bill Edison International will be stuck paying. 

Edison bought the rooftop solar developer SoCore Energy. It is important to note that Edison did not simply buy a collection of solar panels out in the desert; it bought a piece of the distributed generation market. With Edison's experience and its BBB debt rating, it will be able to funnel relatively cheap capital to boost SoCore's operations. Rooftop solar systems mean the destruction of the status quo where demand for Edison's electricity grew in a steady and dependable fashion, but Edison can use SoCore to recoup some of its lost profits. 

Challenges with the San Onofre nuclear plant will put a dent in Edison's earnings. The company is big, but a $4.1 billion price tag is still a hard pill to swallow. Also, the growth of distributed generation is forcing the company to lay down $17.8 billion to $20.3 billion in capital expenditures from 2013 to 2017, mainly in distribution and transmission upgrades. Do not expect a large amount of earnings growth in the coming years. Thanks to these costs it is expected to earn around $3.38 per share in 2013, $0.46 less than what it earned in 2010.

PG&E (NYSE: PCG) is the other big Californian utility with a situation very similar to Edison. With more than 4 million natural gas accounts it has some income to help decrease the impact from distributed generation, but PG&E is still in a challenging situation. It is stuck with big grid upgrades, making its $1.85 billion investment in its electric distribution upgrades the largest item in its 2013 capital expenditures budget.

Don't expect PG&E's earnings growth to be very strong. Thanks to network upgrades and rising energy prices, its expected 2013 EPS of $2.63 is a full $0.24 less than what it earned in 2010.

NRG Energy (NYSE: NRG) is a large utility with over 46 gigawatts of generational capacity, and it has a strong interest in the renewable rooftop market. Through its NRG solar subsidiary it has helped more than 141,000 homes install rooftop solar systems. NRG's willingness to embrace rooftop solar along with traditional utility scale solar installations is encouraging, because it shows that the company is willing to work with the market. It is important to remember that a full 46.8% of NRG's generational capacity is on the East Coast, where relativity low solar radiation makes distributed solar less threatening. 

NRG Energy does own 44% of the South Texas Project nuclear plant, but the facility is operating and does not carry the headaches of the Edison's San Onofre plant. Thanks to its forward looking policies, NRG Energy has been able to grow its customer base for 10 consecutive quarters. Mild weather has put a dent in its earnings this year, but by 2014 it is expected to boost its EPS to $1.42 thanks to solar growth and stronger overall energy demand.

Stuck between a rock and a hard place
SolarCity (NASDAQ: SCTY) is a dedicated solar installer under attack. Now that utilities are starting run subsidiaries that purchase, install, and operate rooftop solar systems, SolarCity is facing a huge increased competition from very well financed firms.