Power-play goals against per game is power-play goals allowed divided by games played. Lower means the team gives up fewer power-play goals. Below are all 32 NHL teams ranked by Regular Season PP Goals Against Per Game in the 1977-78 regular season.
| # | Team | PPGA/GP | |
|---|---|---|---|
| 1 | 0.39 | ||
| 2 | 0.50 | ||
| 3 | 0.56 | ||
| 4 | 0.57 | ||
| 5 | 0.57 | ||
| 6 | 0.60 | ||
| 7 | 0.64 | ||
| 8 | 0.65 | ||
| 9 | 0.66 | ||
| 10 | 0.66 | ||
| 11 | 0.68 | ||
| 12 | 0.76 | ||
| 13 | 0.76 | ||
| 14 | 0.80 | ||
| 15 | 0.81 | ||
| 16 | 0.82 | ||
| 17 | 0.91 |