Exhibit 1
JOINT FILING AGREEMENT
Each of the undersigned hereby agrees that this statement on Schedule 13D is being filed with the Securities and Exchange Commission on behalf of each of the undersigned pursuant to Rule13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended.
Date: January 21, 2020
| TOTAL S.A. | ||
| By: | /s/ Aurèlien Hamelle | |
| Name: | Aurèlien Hamelle | |
| Title: | General Counsel | |
| TOTAL GAZ ELECTRICITÉ HOLDINGS FRANCE SAS | ||
| By: | /s/ Laurent Vivier | |
| Name: | Laurent Vivier | |
| Title: | Managing Director | |
| TOTAL SOLAR INTL SAS | ||
| By: | /s/ Vincent Guèrard | |
| Name: | Vincent Guèrard | |
| Title: | Managing Director | |
