Yes, ENERGIES is a Scrabble word!

Letter values in Scrabble US: E 1, N 1, E 1, R 1, G 2, I 1, E 1, S 1.

Is it a valid word?

ENERGIES is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

(physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs
forceful exertion
enterprising or ambitious drive
an imaginative lively style (especially style of writing)
a healthy capacity for vigorous activity
any source of usable power
the federal department responsible for maintaining a national energy policy of the United States; created in 1977

Also: free energy, get-up-and-go, department of energy, energy department.