After ranking the top 100 NHL prospects for 2015-16, and ranking each team by organizational depth, ESPN Insider Corey Pronman ranks the top 10 prospects for each NHL team. Here is his entry for the Washington Capitals. Extended write-ups on prospects ranked in the top 100 can be accessed here.
The Capitals' system saw graduations from elite prospects Evgeny Kuznetsov and Andre Burakovsky in 2014-15. While they have some top-end names remaining, the system is not very deep in terms of quality prospects.