Make no doubt about it, Los Alamos National Laboratory is a nuclear weapons research, development, and production facility. In this year’s FY18 Congressional Budget Request:
70% of the Lab’s budget is Nuclear Weapons Activities
11% is for Nuclear Nonproliferation
10% for ‘Work For Others’
8% Cleanup
1% Science
.4% Nuclear Energy
.2% Renewables

FY 2018 Congressional Budget Request
(In billions of dollars)
This chart and the FY18 LANL Lab tables to back it up are here