Method consumption

src/model/UtilityBill.cpp:894–896

  }

  boost::optional<double> BillingPeriod::consumption() const {
    return getDouble(OS_UtilityBillExtensibleFields::BillingPeriodConsumption);
  }

  boost::optional<double> BillingPeriod::peakDemand() const {
    return getDouble(OS_UtilityBillExtensibleFields::BillingPeriodPeakDemand);