D.C. Mun. Regs. tit. 14, r. 14-5721
Tenants who do not pay for their own electricity shall be charged reasonable amounts for electricity consumed as a result of major electrical appliances which are not provided by DCHA. Major electrical appliances include the following:
Excess utility charges for air conditioners shall only be applied during the months of May, June, July, August and September, with an opportunity for exceptions based on unseasonably cool weather.
Excess utility charges and any revisions to these charges, shall be established by DCHA on the basis of the provisions of § 5720 of this chapter, including consumption calculations.
It is the responsibility of the tenant to obtain the approval of DCHA prior to the installation of any electrical appliance listed in § 5721.
Excess utility charges shall be incurred at the start of the month following installation. DCHA shall prepare and execute a special supplement to the lease to reflect excess utility charges.
Excess utility charges required under §§ 5721.1 and 5721.7 shall not become due and collectible until the first (1st) day of the second month following the month in which the charge is incurred.
Upon receipt of a report from a tenant indicating an appliance is inoperable in his or her unit, DCHA shall assess the applicable charge until such time as the appliance in question is removed from the dwelling unit.
Tenants who do not pay for their own utilities, but who occupy a unit with a checkmeter system for individual units, shall be charged reasonable amounts for utility consumption in excess of the appropriate utility allowance established by DCHA for that unit.
Where DCHA converts a specific property to a checkmeter system, there shall be a transition period of at least six (6) months during which no excess utility charges shall be charged against the tenant. During this transition period, DCHA shall do the following:
D.C. Mun. Regs. tit. 14, r. 14-5721