well, I would like Divine Spirit to be a signet; its recharge time is 60 seconds, therefore it has already a signet's recharge time.
I am thinking in the beauty of a prot-boon monk build

, as I think that the heal-boon monk build is uggly...

, and for this purpose, if using Divine Spirit and then cast 5 times 5 energy spells, if I am able to cast 5 in 14 seconds (with Divine Favor 15, and Prot. Prayers 14), the economy would be saving: 10 + 5*5 - 5*4= 35-20=15 in 60 seconds.
And talking about non-elite skills for energy management, even mesmers Energy Tap would do a little better (with 8 in inspiration, 12 max. energy in 25 seconds); but, there is Channeling, and there are possible combos with Inspired Hex.
(These are non-elite skills, nevertheless, think that for a prot-boon monk using a staff with the modifier for enchantments 20% longer, using the elite Mantra of Recall might be annoying, as MoR is an enchantment too! So that it may not to be so recomended. And think that Peace and Harmony helps to earn 60*0.33=19.8 energy in 60 seconds, and you see that these two elites might not be a better solution

than those mesmer's non elite skills, because with them you still have a slot for an elite)