H.R.2305: To amend the Internal Revenue Code of 1986 to provide a five-year applicable recovery period for depreciation of qualified energy management devices.

Energy Conservation through "Smart Meters" Act of 2007 - Amends the Internal Revenue Code to assign a five-year recovery period for depreciation of qualified energy management devices placed in service by a supplier of electric energy or a provider of electric energy services. Defines an "energy management device" as any time-based meter and related communication equipment used to measure and record electricity usage data on a time-differentiated basis in at least 24 separate time segments per day.