Nope, both salaries and bonuses (even on C level) is too low in Russia to hide any amount of bribe in them. Anyway, I never heard about bribes for electricity for last 5 years in Russia.
Let's say someone claims that their programmer genius Ivan saved a company ~1m USD/year with latest commit; and awards him $100k. And you see this unusual bonus, how are you going to know 99% of that doesn't go to someone other than Ivan?