Item 7A. Quantitative and Qualitative Disclosures About Market Risk
Item 7A. Quantitative and Qualitative Disclosures About Market Risk
We are exposed to market risk in the ordinary course of our business. Market risk represents the risk of loss that may impact our financial position due to adverse changes in financial market prices and rates. Our market risk exposure is primarily a result of fluctuations in steel and aluminum prices and customer concentrations. We do not hold or issue financial instruments for trading purposes.
Concentrations of Major Customers
Our customers include EPCs, utilities, solar developers, and solar module manufacturers, but we derive the majority of our revenue from the sale of products to EPCs. Our EPC customers typically construct multiple projects for several different owners. For the year ended December 31, 2021, our largest customer and five largest customers constituted approximately 18% and 52% of total revenue, respectively. For the year ended December 31, 2021, our three largest customers represented approximately 40% of revenue and were the only customers that constituted 10% or greater of total revenue. The loss of any one of our top five customers could have a material adverse effect on our financial conditions and results of operations. Further, our trade accounts receivable are from companies within the solar industry and, as such, we are exposed to normal industry credit risks. As of December 31, 2021, our largest customer and five largest customers constituted 16% and 52% of trade accounts receivable, respectively. We do not require collateral on our customers’ trade receivables. We continually evaluate our reserves for potential credit losses and establish reserves for such losses.
Commodity Price Risk
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We are subject to risk from fluctuating market prices of certain commodity raw materials, including copper, that are used in our products. Prices of these raw materials may be affected by supply restrictions or other market factors from time to time, and we do not enter into hedging arrangements to mitigate commodity risk. Significant price changes for these raw materials could reduce our operating margins if we are unable to recover such increases from our customers and could harm our business, financial condition and results of operations.
Interest Rate Risk
As of December 31, 2021, our long-term debt totaled $247.1 million. We have interest rate exposure with respect to the $247.1 million balance as it is all variable interest rate debt. A 100 basis point increase in interest rates would impact our expected annual interest expense for the next 12 months by approxima tely $2.5 million.
Item 8. Financial Statements and Supplementary Data
The financial statements required by this item are included in this Annual Report on Form 10-K beginning on page F-1 .
Item 9. Changes in and Disagreements With Accountants on Accounting and Financial Disclosure
None.