Every Strong Energy card we price, most valuable first. Prices are what copies actually sold for, updated daily.
What a Strong Energy card is worth
The most valuable Strong Energy on this list is Strong Energy from XY - Furious Fists at $2.19£1.65€1.93, and the 5 priced copies across 3 sets are worth $6£5€5 together. Most of that sits in a handful of printings: the older the set and the scarcer the print run, the wider the gap to the rest.
Strong Energy is printed in Japanese as well: 2 cards across 1 sets, the most valuable of them Strong Energy (Mirror Holofoil) from The Best of XY at $18£13.55€15.85. Switch the list above to Japanese to read those, or to Both to rank the two catalogues against each other.
The highest PSA 10 on record for Strong Energy sold for $225£169.35€198.15. reverse holo printings are priced separately from the standard card, because they do not trade at the same money.
If you are trying to identify which Strong Energy you have, the set name is printed on the card and the collector number sits in the bottom corner. Open the card here and the page carries every printing of it, the graded prices, and whether grading the copy is worth the fee. Sets to start with: XY - Furious Fists, World Championship Decks, XY - Fates Collide.