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SEC Filings
TERRAFORM POWER, INC. filed this Form 10-K on 07/21/2017
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Since the transmission and distribution of electricity is either monopolized or highly concentrated in most jurisdictions, there are a limited number of possible purchasers for utility-scale quantities of electricity in a given geographic location, including transmission grid operators, state and investor-owned power companies, public utility districts and cooperatives. As a result, there is a concentrated pool of potential buyers for electricity generated by our renewable energy facilities, which may restrict our ability to negotiate favorable terms under new PPAs and could impact our ability to find new customers for the electricity generated by our renewable energy facilities should this become necessary. Furthermore, if the financial condition of these utilities and/or power purchasers deteriorated or the RPS programs, climate change programs or other regulations to which they are currently subject and that compel them to source renewable energy supplies change, demand for electricity produced by our utility-scale facilities could be negatively impacted.

In addition, provisions in our power sale arrangements may provide for the curtailment of delivery of electricity for various operational reasons at no cost to the power purchaser, including preventing damage to transmission systems and for system emergencies, force majeure, safety, reliability, maintenance and other operational reasons. Such curtailment would reduce revenues earned by us at no cost to the purchaser including, in addition to certain of the general types noted above, events in which energy purchases would result in costs greater than those which the purchaser would incur if it did not make such purchases but instead generated an equivalent amount of energy (provided that such curtailment is due to operational reasons and does not occur solely as a consequence of purchaser’s filed avoided energy cost being lower than the agreement rates or purchasing less expensive energy from another facility). In Hawaii, where several of our wind power plants are located, purchasers are required to take reasonable steps to minimize the number and duration of curtailment events, and that such curtailments will generally be made in reverse chronological order based upon Hawaii utility commission approval (which is beneficial to older facilities such as our Kaheawa Wind Power I, or “KWP I”), such curtailments could still occur and reduce revenues to our Hawaii wind power plants. If we cannot enter into power sale arrangements on terms favorable to us, or at all, or if the purchaser under our power sale arrangements were to exercise its curtailment or other rights to reduce purchases or payments under such arrangements, our revenues and our decisions regarding development of additional renewable energy facilities may be adversely affected. The risks discussed above under “The SunEdison Bankruptcy may adversely affect our relationships with current or potential counterparties” may be increased by our dependence on a limited number of purchasers.

A significant deterioration in the financial performance of the brick and mortar retail industry could materially adversely affect our distributed generation business.

The financial performance of our distributed generation business depends in part upon the continued viability and financial stability of our customers in the retail industry with physical locations, such as medium and large independent retailers and distribution centers. If the retail industry is materially and adversely affected by an economic downturn, increase in inflation, increase in online competition, or other factors, one or more of our largest customers could encounter financial difficulty, and possibly, bankruptcy. If one or more of our largest customers were to encounter financial difficulty or declare bankruptcy, they may reduce their PPA payments to us or stop them altogether.

Our hedging activities may not adequately manage our exposure to commodity and financial risk, which could result in significant losses or require us to use cash collateral to meet margin requirements, each of which could have a material adverse effect on our business, financial condition, results of operations and liquidity, which could impair our ability to execute favorable financial hedges in the future.

Certain of our wind power plants are party to financial swaps or other hedging arrangements. We may also acquire additional assets with similar hedging arrangements in the future. Under the terms of the existing financial swaps, certain wind power plants are not obligated to physically deliver or purchase electricity. Instead, they receive payments for specified quantities of electricity based on a fixed-price and are obligated to pay the counterparty the market price for the same quantities of electricity. These financial swaps cover quantities of electricity that we estimated are highly likely to be produced. As a result, gains or losses under the financial swaps are designed to be offset by decreases or increases in a facility’s revenues from spot sales of electricity in liquid markets. However, the actual amount of electricity a facility generates from operations may be materially different from our estimates for a variety of reasons, including variable wind conditions and wind turbine availability. If a wind power plant does not generate the volume of electricity covered by the associated swap contract, we could incur significant losses if electricity prices in the market rise substantially above the fixed-price provided for in the swap. If a wind power plant generates more electricity than is contracted in the swap, the excess production will not be hedged and the related revenues will be exposed to market price fluctuations. In some power markets, including the ERCOT market in Texas where we own two wind power plants with hedges with a gross nameplate capacity of approximately 407 MWs, at times we have experienced negative power prices with respect to merchant energy sales. In these situations, we must pay grid operators to take our power. Because our tax investors receive production tax credits from the production of energy from our wind plants, it may be economical for the plant to continue to produce power at negative prices, which results in our wind