This study analyzed the effect of the support policy strength, CPSI and FTA investment regulations on the international competitiveness of Korea's new-renewable energy industry using the frequency index and the Sophistication Index measurements. As a result, the strength of the support policy and the Country Patent Sophistication Index of the importing country affected negatively(-) on the international competitiveness of Korea. The cross termof the FTA investment regulation and the strength of the support policy of the importing country had a positive(+) effect on the countrieswith a high export proportion of the final goods. These results provide the following implications. First, the government should expand its support policy for the new-renewable energy industry, and strengthenits international competitiveness through continuous technological innovation. Moreover, when FTA is concluded in the near future, a negotiation strategy should be prepared in accordancewithKorea’s industry-specific trade structure and the characteristics of exporting countries.