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Hetch Hetchy Power Medical Necessity Assistance Program

The Medical Necessity Assistance Program allows qualified households to use 75% more energy at the general residential service rate. If you are a Hetch Hetchy Power customer with a medical disability, you  may be eligible for assistance.


  • Customers dependent on electrically powered life-support device(s) plugged into the home electric system. Qualifying devices include:
    • Aerosol tent
    • Pressure pad
    • Apnea monitor
    • Pressure pump
    • Compressor
    • Respirator (all types)
    • Electronic nerve stimulator
    • Suction machine
    • Ultrasound nebulizer
    • Electrostatic nebulizer
    • Inhalation pulmonary pressure breather machine (IPPB)
    • Iron lung
    • Dialysis machine
    • Hemodialysis machine
    • Motorized wheelchair
    • Oxygen generator


  • Certain illnesses or conditions including:
    • Compromised immune system being treated for a life-threatening illness that requires special electrically powered heating and/or cooling to sustain the life of the patient/person.
    • Paraplegic
    • Hemiplegic
    • Quadriplegic
    • Multiple Sclerosis patient
    • Neuromuscular patient

Apply for the Medical Necessity Assistance Program

  1. Fill out the Medical Necessity Assistance Program application.
  2. Provide a certification letter by a physician or surgeon that a full-time resident in the household meets one of the eligibility criteria.
  3. Provide proof that the qualifying occupant lives at the address in the application.
  4. Mail the application and all supporting documentation to:
San Francisco Water, Power, and Sewer
Customer Services, Attention: Medical Necessity Assistance Program
525 Golden Gate Avenue, Third Floor
San Francisco, CA 94102

Please allow 4-6 weeks to process your application.

Recertification: Customers must reapply annually unless a permanent disability is demonstrated.