Enphase Energy, Inc. — FY 2018 Form 10-K
Reporting period: Year ended December 31, 2018. The filing also provides unaudited quarterly results, including Q4 2018. Amounts below are U.S. dollars; financial statement figures are in millions unless noted.
Business context
Enphase designs and sells microinverters and related solar, storage, communications, and monitoring products. It outsources manufacturing and sells primarily through distributors. The U.S. generated $219.6 million, or about 69% of FY 2018 revenue. One customer represented approximately 19% of revenue.
In August 2018, Enphase acquired SunPower’s microinverter business for $57.3 million of consideration: $25.0 million cash and 7.5 million Enphase shares. A five-year agreement makes Enphase the exclusive supplier of module-level power electronics for SunPower’s U.S. residential business.
Financial performance and liquidity
| Metric | FY 2018 | FY 2017 | Change / context |
|---|---|---|---|
| Revenue | $316.2 | $286.2 | Up 10%; average selling price increased despite microinverter shipments declining to 2.8 million from 2.9 million. |
| Gross profit / margin | $94.4 / 29.9% | $56.0 / 19.6% | Margin up 10.3 percentage points, principally from IQ 7 transition and product cost reductions. |
| Operating income (loss) | $1.6 | ($39.4) | Returned to operating profit. |
| Net loss | ($11.6) | ($45.2) | Loss narrowed; diluted loss per share was $0.12 versus $0.54. |
| Cash from operations | $16.1 | ($28.4) | Improved; working-capital movements contributed to the 2018 cash inflow. |
| Cash used in investing | ($19.2) | ($4.1) | Included $15.0 million cash payment related to the SunPower acquisition. |
| Cash from financing | $80.6 | $43.3 | Included convertible notes and common-stock issuance. |
At year-end, cash and cash equivalents were $106.2 million (up from $29.1 million), working capital was $75.1 million, total assets were $339.9 million, and stockholders’ equity was $7.8 million. Current liabilities were $147.2 million and current assets $222.3 million. Reported debt was $109.8 million, including $65.0 million principal of 4.0% convertible notes due 2023, term loans, and financing-receivable debt. Enphase repaid the remaining $39.5 million term-loan principal, plus accrued interest and fees, on January 28, 2019.
Q4 2018: Revenue was $92.3 million versus $79.7 million in Q4 2017; gross profit was $28.2 million versus $19.0 million. Enphase reported net income of $0.7 million, compared with a $2.9 million net loss. The Q4 gross margin was approximately 30.5%.
Material changes and unusual items
- Revenue recognition standard ASC 606 was adopted January 1, 2018 using the modified retrospective method. Adoption reduced opening equity by $38.9 million; it increased FY 2018 revenue by $2.3 million and improved FY 2018 net income by $2.1 million versus results without adoption. Prior-year comparisons were not restated.
- Warranty obligations ended the year at $31.3 million. Changes in estimates increased 2018 warranty expense by $6.5 million, principally relating to field-performance analysis and expected claim rates; warranty settlements were $8.6 million.
- FY 2018 restructuring charges were $4.1 million, including severance, asset impairment, and lease reserves. The company expected further near-term charges as its 2018 restructuring continued into 2019.
- General and administrative expense included $1.8 million to resolve a supplier dispute and $0.8 million of acquisition-related expenses. Interest expense was $9.6 million; total other expense was $11.8 million.
- The $65.0 million convertible notes carry 4.0% interest and an initial conversion price of approximately $5.56 per share. The February 2018 private placement raised $20.0 million gross; the SunPower share issuance and other equity awards also increased the share count.
Outlook, risks, and contingencies
The filing does not provide numerical FY 2019 revenue or earnings guidance. Management identified customer experience, internal process improvements, and profitable revenue growth as priorities. It expected component shortages to ease in 2019, with IQ 7 cost benefits more fully realized in the second half. IQ 7A and SunPower-related IQ 7XS shipments were expected to ramp; Ensemble grid-agnostic solar-and-storage products were planned for phased introduction beginning in Q4 2019, with limited 2019 financial contribution and a larger expected opportunity in 2020.
- U.S. tariffs on China-manufactured microinverters were 10% from September 2018 and were expected to rise to 25% on March 1, 2019. Management anticipated Flex manufacturing in Mexico beginning in Q2 2019 to help mitigate tariffs and improve delivery times.
- Key business risks include solar-policy and incentive changes, pricing pressure and competition, customer concentration, component shortages, reliance on a small number of contract manufacturers and suppliers, product reliability and long-duration warranty estimates, and demand and inventory forecasting.
- Solar demand is exposed to electricity prices, financing availability, utility rules, construction seasonality, and government incentives. One customer accounted for about 19% of FY 2018 revenue; two customers represented 22% and 13% of year-end receivables.
- Purchase obligations were $41.1 million at year-end, primarily for components and inventory. Management reported no material pending legal proceedings and no off-balance-sheet arrangements.
- Management and the auditor concluded internal control over financial reporting was effective at year-end; the auditor issued unqualified opinions on the financial statements and internal controls.
Important facts for investors to verify
- How much of the 2018 margin improvement is sustainable, particularly after separating product-cost gains, price and product mix, and the $5.3 million joint-development revenue.
- Whether component supply recovered as anticipated and whether IQ 7, IQ 7A, IQ 7XS, and Ensemble launches met management’s timing and profitability expectations.
- The realized cost and demand effects of tariffs, and whether Mexico production began as planned.
- SunPower agreement performance, including sales concentration, receivable collection, and the value and terms of the exclusive supply relationship.
- Warranty claim trends and the sensitivity of the $31.3 million obligation to failure rates, replacement costs, and long-term assumptions.
- Post-repayment liquidity, cash generation, and the ability to service or repay the $65.0 million convertible notes due in 2023 without excessive dilution.
- Comparability of 2018 results with prior periods given the ASC 606 adoption and its $38.9 million opening-equity adjustment.