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SEC Filings
TERRAFORM POWER, INC. filed this Form 10-K on 03/15/2019
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other jurisdictions in which we operate. Suppliers of some spare parts have filed, or will in the future file for, bankruptcy protection, potentially reducing the availability of parts that we require to operate certain of our power generation facilities. Other suppliers may for other reasons cease to manufacture parts that we require to operate certain of our power generation facilities. If we were to experience a shortage of or inability to acquire critical spare parts we could incur significant delays in returning facilities to full operation, which could negatively impact our business financial condition, results of operations and cash flows.

Developers of renewable energy facilities depend on a limited number of suppliers of solar panels, inverters, module turbines, towers and other system components and turbines and other equipment associated with wind and solar power plants. Any shortage, delay or component price change from these suppliers could result in construction or installation delays, which could affect the number of renewable energy facilities we are able to acquire in the future.

There have been periods of industry-wide shortage of key components, including solar panels and wind turbines, in times of rapid industry growth. The manufacturing infrastructure for some of these components has a long lead time, requires significant capital investment and relies on the continued availability of key commodity materials, potentially resulting in an inability to meet demand for these components. A shortage of key commodity materials could also lead to a reduction in the number of renewable energy facilities that we may have the opportunity to acquire in the future, or delay or increase the costs of acquisitions.

In addition, potential acquisition of solar projects could be more challenging as a result of increases in the cost of solar panels or tariffs on imported solar panels imposed by the U.S. government. The U.S. government has imposed tariffs on imported solar cells and modules manufactured in China. If project developers purchase solar panels containing cells manufactured in China, our purchase price for renewable energy facilities may reflect the tariff penalties mentioned above. While solar panels containing solar cells manufactured outside of China are not subject to these tariffs, the prices of these solar panels are, and may continue to be, more expensive than panels produced using Chinese solar cells, before giving effect to the tariff penalties.

The declining cost of solar panels and the raw materials necessary to manufacture them has been a key driver in the pricing of solar energy systems and customer adoption of this form of renewable energy. With the stabilization or increase of solar panel and raw materials prices, our growth could slow. Although we do not purchase solar panels directly, higher cost solar panels could make future purchases of solar assets more difficult.

We may incur unexpected expenses if the suppliers of components in our renewable energy facilities default in their warranty obligations.

The solar panels, inverters, modules and other system components utilized in our solar generation facilities are generally covered by manufacturers’ warranties, which typically range from 5 to 20 years. When purchasing wind turbines, the purchaser will enter into warranty agreements with the manufacturer which typically expire within two to five years after the turbine delivery date. In the event any such components fail to operate as required, we may be able to make a claim against the applicable warranty to cover all or a portion of the expense associated with the faulty component. However, these suppliers could cease operations and no longer honor the warranties, which would leave us to cover the expense associated with the faulty component. For example, a portion of our solar power plants utilize modules made by SunEdison and certain of its affiliates that were debtors in the SunEdison Bankruptcy (as defined in Note 1. Nature of Operations and Organization to our consolidated financial statements). Our business, financial condition, results of operations and cash flows could be materially adversely affected if we cannot make claims under warranties covering our renewable energy facilities.

Concentrated solar facilities use technology that differs from traditional solar photovoltaic technology and is subject to known and unknown risks.

Our concentrated solar facilities located in Spain consist primarily of parabolic troughs that concentrate reflected light onto receiver tubes. The receiver tubes are filled with a working fluid which is heated by the concentrated sunlight and then used to heat water for a standard steam power generation system. This technology differs from that used in more common solar photovoltaic (“PV”) facilities and concentrated solar technology is much less widely used worldwide and is subject to known and unknown risks that differ from those associated with solar PV facilities. For example, the temperatures used in concentrated solar facilities can be extremely high. Fires at any of our these facilities could result in a loss of generating capacity and could require us to expend significant amounts of capital and other resources. Such failures could result in damage to the environment or damages and harm to third parties or the public, which could expose us to significant liability. Repairing any such failure could require us to expend significant amounts of capital and other resources.