D.C. Code § 9-508
The Washington Terminal Company, its successors, or transferees shall pay to the District for the lighting of the streets, avenues, alleys, and grounds over and under which its right-of-way may cross, as well as for the lighting of those streets, avenues, alleys, and grounds bordering on its right-of-way, under the direction and control of the Mayor of the District of Columbia and in case of default of payment of such bills, actions at law may be maintained by the District of Columbia against said terminal company or its successors, or transferees therefor; provided, that not more than $85 per annum shall be paid for any electric arc light burning from 15 minutes after sunset to 45 minutes before sunrise, and operated wholly by means of underground wire; and each arc light shall be of not less than 1000 actual candlepower; provided further, that no more than $18 per annum shall be paid for each gas lamp equipped with a self-regulating flat-flame burner so adjusted as to secure under all ordinary variations of pressure and density a consumption of 5 cubic feet of gas per hour, nor more than $20.85 per annum for each gas lamp and $22.80 per annum for each oil lamp equipped with an incandescent mantle burner of not less than 60 candlepower.
D.C. Code § 9-508