Power Sentry | 1,081 followers on LinkedIn. At Power Sentry, our innovative power management solutions reduce operating expenses & improve ESG outcomes for clients. | Power Sentry is an industry leader in providing innovative solutions for power management. We are passionate about delivering technology solutions that serve the dual purpose of reducing operating expense and improving ESG outcomes for our clients. Power Sentry is in proud partnership with CSL Capital Management, a Houston-based private equity firm specializing in energy services, equipment, and technology.