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Published on August 16th, 2014 | by Giles Parkinson

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Citigroup: Solar’s Global Outlook Has Improved

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August 16th, 2014 by
 
RenewEconomy.

Leading investment bank Citigroup has painted an incredibly bright future for solar energy across the globe, arguing that its rapid expansion will be driven by “pure economics” and the growing need for diversity.

“We believe global solar growth will be driven by economics, fuel diversity and emerging financing vehicles as well as some country specific legislative overlay,” Citi analysts argue in a new report.

“Moreover, this growth looks set to continue for the long term, as solar takes an ever greater share of energy generation, helped by improving economics against fossil fuels.”

The report, Energy 2020: The Revolution Will Not Be Televised as Disruptors Multiply, cites a bunch of key reasons why the outlook for solar energy is so positive.

rsz_solar_panels_side_310_213This includes significant improvements in solar efficiency and the cost of capital, continuing falls in the cost of manufacturing, the reaching of residential grid parity in many more countries (even the UK as early as 2018), and the need to diversify and hedge against fossil fuel price volatility and security risks.

This latter point is significant. Citi says that many of the US utilities it has surveyed have highlighted the need to diversify into other generation sources to hedge against a change in the current low gas price environment.

Shale gas may have created a short term surplus and lower gas prices, but no one is betting that this will remain the case, which is why many are already choosing solar over gas in new generation projects, particularly in the US south-west.

“So besides pure economics, from a utility perspective, the need to diversify is crucial to remove the volatility and possible upward movement in gas prices over the longer term,” Citi notes.

Global support is driven by several countries – new and old

Citi notes that solar is not a one of several country phenomenon. Growth will come from established markets such as China, Japan, US and UK, and emerging markets in India, Latin America, and the Middle East.

It dismisses forecasts by the International Energy Agency – which predicts 662GW of solar by 2035 and $1.3 trillion of investment – as “highly conservative”.

“High electricity rates and some of the best solar economics in the world (i.e. Latin America) coupled with a need to diversify into other fuel mixes should translate into substantial growth opportunities over the next few years.”

It notes that solar has reached socket (residential) parity in many global regions at the residential level, with more to come – the UK as early as 2018, Japan between 2014 and 2016, and South Korea between 2016 and 2020.

And it says that utility-scale parity is also expected over the next few years.

“For economics, look at the levelised cost of electricity (LCOE) – a key metric of comparing various energy sources. We believe globally, solar will become increasingly competitive with natural gas peaking plants and CCGTs as LCOE trends downward over the long-term and regulators and policy encourages fuel diversity.”

Citi says that the lower solar LCOE is driven by lower financing costs and improved solar efficiencies while natural gas prices continue to increase.

Lower capital costs for solar

One of the biggest factors governing the cost of any technology is the capital outlay. Nuclear, because of the horrendous risk, pays huge amounts of capital. Solar – because it is relatively new technology at commercial scale – faced similarly prohibitive financing, but this is rapidly changing as financial instruments attract large licks of capital from mainstream investors and financiers.

In the US, the cost of equity is being lowered by the emergence of “YieldCos” – a tax efficient structure that creates dividend growth for equity investors. With reduced equity costs, buyers of contracted solar assets are able to pay for these with 7-10 per cent IRRs on equity in current market conditions.

The cost of debt is also falling. As the size of the solar industry continues to grow, the financing market is beginning to mature. An asset backed securities market has formed for solar which lowers interest rates on debt as it taps a large investor universe that can derive more value out of cash flow than traditional debt investors.

In the last year, the industry has priced debt below 5 per cent blended interest rate. In addition, traditional lenders are assuming lower risk profiles for the assets as the associate cash flows are better understood and viewed to be less risky.

Along with these developments, Citi says the industry continues to make meaningful advances in financial and tax structures to create stability in cash flow for renewable assets. These innovations have improved the ability of residential, commercial, industrial, and utility customers to develop the systems.

“Once developed, certain companies have structured vehicles to efficiently transfer cash flow between jurisdiction and ultimately their shareholders. These developments, coupled with lower debt and equity costs is making solar more affordable and increasing demand for solar power.”

Increases in manufacturing efficiencies

Citi notes that while key input costs for manufacturing of solar modules have held relatively constant after a period of rapid decline due to industry over-capacity, the outlook is attractive.

Large solar developers and manufacturers such as First Solar, SunPower, and SolarCity are now expecting efficiencies to improve materially in the next few years as technology matures, investments in manufacturing continue, and volume growth enables lower per unit costs.

“The outlook for solar LCOE is favorable but the devil is in the details,” says the Citi report. “The system costs are comprised of module costs plus balance of systems (BOS). System costs vary based on end user, location, and other factors.

“The raw input prices (poly, ingot, wafer, cell) are subject to global markets and an industry learning curve while BOS costs are more specific to location. Insolation and solar inefficiencies are driven by location specifics and technological advancements.

“Solar LCOE is also sensitive to secondary inputs such as module lifespan, opex, and degradation. Of these components, the largest gains are expected in greater solar efficiency levels.

“With an attractive cost decline curve, there are several competing solar technology including PV, CadTel, CSP (concentrated solar power), and storage investments that are competing to serve the market.”

Solar in the broader energy revolution

The broader context is also significant. Citi identifies solar as one of several key trends in the global energy market – the fact that the shale revolution is spreading from its North American birthplace; that inter-fuel substitution is breaking new ground (replacement of coal and gas generation by renewables, and replacement of oil by gas in transport); that renewables are becoming viable without subsidies; and that inter-regional energy trade is being transformed.

“All of these seemingly disparate trends can be pulled into one overarching thesis,” Citi says. “The shale revolution represents a step change in terms of supply, while inter-fuel substitution transforms the demand side of the equation; renewables replace coal and gas in power generation and this frees up natural gas to substitute for oil in transportation.”

Source: RenewEconomy. Reproduced with permission.

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About the Author

is the founding editor of RenewEconomy.com.au, an Australian-based website that provides news and analysis on cleantech, carbon, and climate issues. Giles is based in Sydney and is watching the (slow, but quickening) transformation of Australia's energy grid with great interest.



  • DGW

    If Citigroup is so sunny about solar energy growth, they need to prove it and finally install the missing solar panels on their famous slanted headquartes’ roof in NYC.
    What are they waiting for?

    • Calamity_Jean

      Which way is it sloped?

      • NRG4All

        To the right.

        • Calamity_Jean

          To the right of what? If it’s sloped to the north it won’t get enough sun to justify the effort to install the panels.

          • Vensonata

            I believe nrg was jesting when he said “to the right”

          • Calamity_Jean

            I figured he didn’t know. I like the idea of solar panels, though.

    • Randall Mathews

      That sure is a lovely big flat forty five degree roof. I saw no shade on it in a host of pictures. We could run a book on when they’ll cave in and fit the panels. 2020. August. They obviously don’t need the money, so it’s going to have to be symbolic.

  • JamesWimberley

    Citi: “… this frees up natural gas to substitute for oil in transportation.” Does this explain the sudden burst of interest in the dead end of hydrogen vehicles? Creating a captive pseudogreen market for natural gas when the power generation one collapses?

    • Ross

      They were doing so well until it got to that sentence.

    • eveee

      Yes, us minions must slave to preserve our mighty machine overlords and banking buddies. FCEVs will come to their rescue. Not. And if we just keep drilling for oil in the Arctic and extracting oil from tar sands, we can just keep driving ICE cars at 5, 10, or even 20 dollars a gallon. No one will stop driving, right? Yikes! They stopped increasing gas use.
      Seriously, natural gas is not going to do anything for transportation. EVs and electricity are going to spank them.

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