(a) Definitions. The following words and terms, when
used in this section, shall have the following meanings unless the
context indicates otherwise.
  (1) Critical Load Public Safety Customer--A customer
for whom electric service is considered crucial for the protection
or maintenance of public safety, including but not limited to hospitals,
police stations, fire stations, and critical water and wastewater
facilities.
  (2) Critical Load Industrial Customer--An industrial
customer for whom an interruption or suspension of electric service
will create a dangerous or life-threatening condition on the retail
customer's premises, is a "critical load industrial customer."
  (3) Chronic Condition Residential Customer--A residential
customer who has a person permanently residing in his or her home
who has been diagnosed by a physician as having a serious medical
condition that requires an electric-powered medical device or electric
heating or cooling to prevent the impairment of a major life function
through a significant deterioration or exacerbation of the person's
medical condition. If that serious medical condition is diagnosed
or re-diagnosed by a physician as a life-long condition, the designation
is effective under this section for the shorter of one year or until
such time as the person with the medical condition no longer resides
in the home. Otherwise, the designation or re-designation is effective
for 90 days.
  (4) Critical Care Residential Customer--A residential
customer who has a person permanently residing in his or her home
who has been diagnosed by a physician as being dependent upon an electric-powered
medical device to sustain life. The designation or redesignation is
effective for two years under this section.