| 100% | SUN | 3 | Solar energy source that is a homophone for 34a |
| 52% | EAR | 3 | Hearing organ that is a homophone for 43a |
| 52% | FLU | 3 | Winter sickness that is a homophone for 23a |
| 52% | HARE | 4 | Large rabbit that is a homophone for 12a |
| 52% | YEAR | 4 | Calendar unit that is a homophone for 44d |
| 52% | HAIR | 4 | Shampoo target that is a homophone for 12d |
| 51% | SITE | 4 | Archaeological digging spot that is a homophone for 36a |
| 51% | MOW | 3 | Trim the lawn that is a homophone for 27a |
| 51% | SON | 3 | Mama's boy that is a homophone for 34d |
| 51% | YEWS | 4 | Certain trees that are a homophone for 48-Across |
| 51% | RAP | 3 | Jay-Z's genre that is a homophone for 42d |
| 51% | MOE | 3 | The Simpson's bartender that is a homophone for 27d |
| 44% | FUSION | 6 | Mr. ___, gadget from "Back to the Future" that is a source of sustainable energy |
| 42% | RENEWABLE | 9 | Energy sources that are not depleted by use |
| 41% | EWES | 4 | Animals that are a homophone of "use" |
| 41% | LEEK | 4 | Bundled veggie that is a homophone of "leak" |
| 40% | HOLE | 4 | Black ___ (space phenomena that is a homophone of 47a) |
| 40% | ARC | 3 | Missile's trajectory that is a homophone of 25a |
| 40% | YOKE | 4 | Oxen connecting bar that is a homophone of 1a |
| 40% | RAYS | 4 | Sea creatures that are a homophone of 47-Across |
| 40% | ORES | 4 | Metal deposits that are a homophone of rowing tools |
| 40% | MAPLE | 5 | Tree that is known for its fall foliage and as a source of a syrup enjoyed with pancakes |
| 39% | KALI | 4 | Hindu divinity whose name is a homophone for a herding dog |
| 39% | ARK | 3 | Biblical boat built by Noah that is a homophone of 25d |
| 39% | YOLK | 4 | Yellow core in an egg that is a homophone of 1d |
| 39% | KOI | 3 | Ornamental fish whose name is a homophone for “love” in Japanese |
| 39% | SUN | 3 | Energy source for a plant |
| 39% | WIND | 4 | Renewable energy source that is captured by turbines and converted into electricity |
| 38% | ENRON | 5 | Energy giant that was a symbol of corporate financial misconduct |
| 38% | ITASCA | 6 | Lake that is a source of the Mississippi |