| Clue | Source | Date |
|---|---|---|
| Sunlight-reflecting device | ||
| Mirrored solar device at hotel is unconventional | ||
| Device that generates solar power | LA Times Daily | 21 Dec 2018 |
| Device that generates solar power | The Washington Post | 21 Dec 2018 |
| Device that generates solar power | ||
| Instrument heats oil changing temperature | ||
| Solar reflector's warmth containing rising Earth temperature | The Times Cryptic | 21 Dec 2015 |
| Sunbeam reflector |