I noticed, for me, the best power ballads came from the period of about 1977-94
For me, in no order:
1. (Everything I Do) I Do It For You - Bryan Adams
2. I Would Do Anything For Love (But I Won't Do That) - Meatloaf
3. Just Like Jesse James - Cher
4. All I Wanna Do Is Make Love To You - Heart
5. Don't Stop Believing - Journey
6. Why Can't This Be Love - Van Halen
7. When I see You Smile - Bad English
8. Wanted Dead Or Alive - Bon Jovi
9. We belong - Pat Benatar
10. Somebody To Love - Queen
11. You Take It On The Run - REO Speedwagon
12. Love Bites - Def Leopard
13. We Don't Need Another Hero - Tina Turner
14. November Rain - GnR
15. Heaven - Warrant
For me, in no order:
1. (Everything I Do) I Do It For You - Bryan Adams
2. I Would Do Anything For Love (But I Won't Do That) - Meatloaf
3. Just Like Jesse James - Cher
4. All I Wanna Do Is Make Love To You - Heart
5. Don't Stop Believing - Journey
6. Why Can't This Be Love - Van Halen
7. When I see You Smile - Bad English
8. Wanted Dead Or Alive - Bon Jovi
9. We belong - Pat Benatar
10. Somebody To Love - Queen
11. You Take It On The Run - REO Speedwagon
12. Love Bites - Def Leopard
13. We Don't Need Another Hero - Tina Turner
14. November Rain - GnR
15. Heaven - Warrant