Input Output Reference — EnergyPlus 8.1

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UtilityCost:Tariff Examples[LINK]

One of the best ways to learn the details of EnergyPlus Economics is to see some example tariffs and how they translate into objects. To do this, several different rates of increasing complexity are shown in the following examples.

Another source of examples is the large set of tariff input objects provided with EnergyPlus in the macro data set file called “UtilityTariffObjects.imf” located in the “MacroDataSets” folder where EnergyPlus is installed. This file contains sets of objects that fully define tariffs for commercial customers from a collection of U.S. utility companies.

Example A – Flat Energy Charge[LINK]

As an example of the simplest type of tariff.

Customer Charge: $2.51 per month

Energy Charge: 5.5342 cents/kWh

This tariff would use a single UtilityCost:Charge:Simple object. The monthly charge is part of the UtilityCost:Tariff object.

UtilityCost:Tariff,
  ExampleA,                     ! Name
  Electricity:Facility,         ! Output Meter Name
  kWh,                          ! Conversion Factor Choice
  ,                             ! Energy Conversion Factor
  ,                             ! Demand Conversion Factor
  ,                             ! Time of Use Period Schedule Name
  ,                             ! Season Schedule Name
  ,                             ! Month Schedule Name
  ,                             ! Demand Window Length
  2.51;                         ! Monthly Charge or Variable Name

UtilityCost:Charge:Simple,
  FlatEnergyCharge,             ! Charge Variable Name
  ExampleA,                     ! Tariff Name
  totalEnergy,                  ! Source Variable
  Annual,                       ! Season
  EnergyCharges,                ! Category Variable Name
  0.055342;                     ! Cost Per Unit Value or Variable Name

Example B – Block Energy Charge[LINK]

Another simple type of tariff is one where the energy charges vary by the amount of energy consumed each month.

Customer Charge:$5.75 per month

Energy Charge:7.231 cents/kWh for first 200 kWh

6.656 cents/kWh for next 1000 kWh

5.876 cents/kWh for over 1200 kWh

This tariff would use a single UtilityCost:Charge:Block object. The monthly charge is part of the UtilityCost:Tariff object. Note that the block sizes are every other field at the bottom of the object and the that final block size references a built in variable called “remaining” that contains a very large number.

UtilityCost:Tariff,
  ExampleB,                     ! Name
  Electricity:Facility,         ! Output Meter Name
  kWh,                          ! Conversion Factor Choice
  ,                             ! Energy Conversion Factor
  ,                             ! Demand Conversion Factor
  ,                             ! Time of Use Period Schedule Name
  ,                             ! Season Schedule Name
  ,                             ! Month Schedule Name
  ,                             ! Demand Window Length
  5.75;                         ! Monthly Charge or Variable Name

UtilityCost:Charge:Block,
  BlockEnergyCharge,            ! Charge Variable Name
  ExampleB,                     ! Tariff Name
  totalEnergy,                  ! Source Variable
  Annual,                       ! Season
  EnergyCharges,                ! Category Variable Name
  ,                             ! Remaining Into Variable
  ,                             ! Block Size Multiplier Value or Variable Name
  200,                          ! Block Size 1 Value or Variable Name
  0.07231,                      ! Block 1 Cost per Unit Value or Variable Name
  1000,                         ! Block Size 2 Value or Variable Name
  0.06656,                      ! Block 2 Cost per Unit Value or Variable Name
  remaining,                    ! Block Size 3 Value or Variable Name
  0.05876;                      ! Block 3 Cost per Unit Value or Variable Name

Example C – Block Energy and Demand Charges[LINK]

This example contains both a block for energy and a block for demand and is very similar to the previous example except it now includes demand charges as well. The energy and demand charges vary by the amount of energy and demand consumed each month.

Energy Charge:4.74 cents/kWh for first 20,000 kWh

4.24 cents/kWh for next 180,000 kWh

3.83 cents/kWh for additional kWh

Demand Charge:5.38 dollars per kW for first 20 kW

4.23 dollars per kW for next 80 kW

3.60 dollars per kW for additional kW

This tariff would use two UtilityCost:Charge:Block objects. No monthly charge is shown so the UtilityCost:Tariff object can include just the first four fields. Note that the block sizes are every other field at the bottom of the object and the that final block size references a built in variable called “remaining” that contains a very large number.

UtilityCost:Tariff,
  ExampleC,                     ! Name
  Electricity:Facility,         ! Output Meter Name
  KWh;                          ! Conversion Factor Choice

UtilityCost:Charge:Block,
  BlockEnergyCharge,            ! Charge Variable Name
  ExampleC,                     ! Tariff Name
  totalEnergy,                  ! Source Variable
  Annual,                       ! Season
  EnergyCharges,                ! Category Variable Name
  ,                             ! Remaining Into Variable
  ,                             ! Block Size Multiplier Value or Variable Name
  20000,                        ! Block Size 1 Value or Variable Name
  0.0474,                       ! Block 1 Cost per Unit Value or Variable Name
  180000,                       ! Block Size 2 Value or Variable Name
  0.0424,                       ! Block 2 Cost per Unit Value or Variable Name
  remaining,                    ! Block Size 3 Value or Variable Name
  0.0383;                       ! Block 3 Cost per Unit Value or Variable Name

UtilityCost:Charge:Block,
  BlockDemandCharge,            ! Charge Variable Name
  ExampleC,                     ! Tariff Name
  totalDemand,                  ! Source Variable
  Annual,                       ! Season
  DemandCharges,                ! Category Variable Name
  ,                             ! Remaining Into Variable
  ,                             ! Block Size Multiplier Value or Variable Name
  20,                           ! Block Size 1 Value or Variable Name
  5.38,                         ! Block 1 Cost per Unit Value or Variable Name
  80,                           ! Block Size 2 Value or Variable Name
  4.23,                         ! Block 2 Cost per Unit Value or Variable Name
  remaining,                    ! Block Size 3 Value or Variable Name
  3.60;                         ! Block 3 Cost per Unit Value or Variable Name

Example D - Seasonal Energy Charges with Minimum Charge[LINK]

Another type of tariff is one where the energy charges vary by the amount of energy consumed each month and are different for the summer and winter. In addition, this example demonstrates the minimum charge field.

Minimum Charge:$7.00 per month

Winter – October through May

Energy Charge:4.385 cents/kWh for first 650 kWh

3.763 cents/kWh for next 350 kWh

3.704 cents/kWh for over 1000 kWh

Summer – June through September

Energy Charge:8.385 cents/kWh for first 650 kWh

7.588 cents/kWh for next 350 kWh

7.103 cents/kWh for over 1000 kWh

This tariff would use two UtilityCost:Charge:Block objects. The monthly charge is part of the UtilityCost:Tariff object. Note that the block sizes are every other field at the bottom of the object and the that final block size references a built in variable called “remaining” that contains a very large number.

UtilityCost:Tariff,
  ExampleD,                     ! Name
  Electricity:Facility,         ! Output Meter Name
  KWh,                          ! Conversion Factor Choice
  ,                             ! Energy Conversion Factor
  ,                             ! Demand Conversion Factor
  ,                             ! Time of Use Period Schedule Name
  TwoSeasonSchedule,            ! Season Schedule Name
  ,                             ! Month Schedule Name
  ,                             ! Demand Window Length
  ,                             ! Monthly Charge or Variable Name
  7.00;                         ! Minimum Monthly Charge or Variable Name

UtilityCost:Charge:Block,
  WinterEnergyCost,             ! Charge Variable Name
  ExampleD,                     ! Tariff Name
  totalEnergy,                  ! Source Variable
  Winter,                       ! Season
  EnergyCharges,                ! Category Variable Name
  ,                             ! Remaining Into Variable
  ,                             ! Block Size Multiplier Value or Variable Name
  650,                          ! Block Size 1 Value or Variable Name
  0.04385,                      ! Block 1 Cost per Unit Value or Variable Name
  350,                          ! Block Size 2 Value or Variable Name
  0.03763,                      ! Block 2 Cost per Unit Value or Variable Name
  remaining,                    ! Block Size 3 Value or Variable Name
  0.03704;                      ! Block 3 Cost per Unit Value or Variable Name

UtilityCost:Charge:Block,
  SummerEnergyCost,             ! Charge Variable Name
  ExampleD,                     ! Tariff Name
  totalEnergy,                  ! Source Variable
  Summer,                       ! Season
  EnergyCharges,                ! Category Variable Name
  ,                             ! Remaining Into Variable
  ,                             ! Block Size Multiplier Value or Variable Name
  650,                          ! Block Size 1 Value or Variable Name
  0.08385,                      ! Block 1 Cost per Unit Value or Variable Name
  350,                          ! Block Size 2 Value or Variable Name
  0.07588,                      ! Block 2 Cost per Unit Value or Variable Name
  remaining,                    ! Block Size 3 Value or Variable Name
  0.07103;                      ! Block 3 Cost per Unit Value or Variable Name

Schedule:Compact, TwoSeasonSchedule, number,
Through: 5/31, For: AllDays, Until: 24:00, 1,
Through: 9/30, For: AllDays, Until: 24:00, 3,
Through: 12/31, For: AllDays, Until: 24:00, 1;

Example E – kWh/kW Energy Charges[LINK]

A more advanced rate varies the size of the blocks based on amount of demand for the month. This creates an effective demand charge if the blocks have declining values.

Customer Charge:$14.00 per month

Energy Charge:8.756 cents/kWh for all consumption not greater than 200 hours times the demand

6.812 cents/kWh for all consumption in excess of 200 hours and not greater than 400 hours times the demand

5.029 cents/kWh for all consumption in excess of 400 hours times the demand.

This tariff would use a single UtilityCost:Charge:Block object. The monthly charge is part of the UtilityCost:Tariff object. In this case the Block Size Multiplier Value (or Variable) is set to the totalDemand variable.

UtilityCost:Tariff,
  ExampleE,                     ! Name
  Electricity:Facility,         ! Output Meter Name
  KWh,                          ! Conversion Factor Choice
  ,                             ! Energy Conversion Factor
  ,                             ! Demand Conversion Factor
  ,                             ! Time of Use Period Schedule Name
  ,                             ! Season Schedule Name
  ,                             ! Month Schedule Name
  ,                             ! Demand Window Length
  14;                           ! Monthly Charge or Variable Name

UtilityCost:Charge:Block,
  BlockEnergyCharge,            ! Charge Variable Name
  ExampleE,                     ! Tariff Name
  totalEnergy,                  ! Source Variable
  Annual,                       ! Season
  EnergyCharges,                ! Category Variable Name
  ,                             ! Remaining Into Variable
  totalDemand,                  ! Block Size Multiplier Value or Variable Name
  200,                          ! Block Size 1 Value or Variable Name
  0.08756,                      ! Block 1 Cost per Unit Value or Variable Name
  200,                          ! Block Size 2 Value or Variable Name
  0.06812,                      ! Block 2 Cost per Unit Value or Variable Name
  remaining,                    ! Block Size 3 Value or Variable Name
  0.05029;                      ! Block 3 Cost per Unit Value or Variable Name

Example F – Seasonal Time of Use Energy[LINK]

Tariffs sometimes have higher costs for energy consumed during the daytime than at night. This example includes energy charges that vary by the time of day and by the season.

Monthly Charge:$37.75 per month

Winter – October through May

On Peak:8.315 cents/kWh

Off-Peak:2.420 cents/kWh

Summer – June through September

On Peak:14.009 cents/kWh

Off-Peak:6.312 cents/kWh

The on-peak period is defined as the hours starting at 10am and ending at 7pm, Monday through Friday for June through September and 3pm to 10pm Monday through Friday for October through May. All other hours are considered off-peak.

The tariff is only applicable for customers that use 50KW for at least one month of the year.

This tariff uses four different UtilityCost:Charge:Simple objects to capture the variation with time of the energy cost. The monthly charge is part of the UtilityCost:Tariff object.

UtilityCost:Tariff,
  ExampleF,                     ! Name
  Electricity:Facility,         ! Output Meter Name
  kWh,                          ! Conversion Factor Choice
  ,                             ! Energy Conversion Factor
  ,                             ! Demand Conversion Factor
  TimeOfDaySchedule,            ! Time of Use Period Schedule Name
  TwoSeasonSchedule,            ! Season Schedule Name
  ,                             ! Month Schedule Name
  ,                             ! Demand Window Length
  37.75;                        ! Monthly Charge or Variable Name

UtilityCost:Charge:Simple,
  SummerOnPeak,                 ! Charge Variable Name
  ExampleF,                     ! Tariff Name
  peakEnergy,                   ! Source Variable
  Summer,                       ! Season
  EnergyCharges,                ! Category Variable Name
  0.14009;                      ! Cost per Unit Value or Variable Name

UtilityCost:Charge:Simple,
  SummerOffPeak,                ! Charge Variable Name
  ExampleF,                     ! Tariff Name
  offPeakEnergy,                ! Source Variable
  Summer,                       ! Season
  EnergyCharges,                ! Category Variable Name
  0.06312;                      ! Cost per Unit Value or Variable Name

UtilityCost:Charge:Simple,
  WinterOnPeak,                 ! Charge Variable Name
  ExampleF,                     ! Tariff Name
  peakEnergy,                   ! Source Variable
  Winter,                       ! Season
  EnergyCharges,                ! Category Variable Name
  0.08315;                      ! Cost per Unit Value or Variable Name

UtilityCost:Charge:Simple,
  WinterOffPeak,                ! Charge Variable Name
  ExampleF,                     ! Tariff Name
  offPeakEnergy,                ! Source Variable
  Winter,                       ! Season
  EnergyCharges,                ! Category Variable Name
  0.02420;                      ! Cost per Unit Value or Variable Name

UtilityCost:Qualify,
  MinDemand,                    ! Name
  ExampleF,                     ! Tariff Name
  TotalDemand,                  ! Variable Name
  Minimum,                      ! Qualify Type
  50,                           ! Threshold Value or Variable Name
  Annual,                       ! Season
  Count,                        ! Threshold Test
  1;                            ! Number of Months

Schedule:Compact, TwoSeasonSchedule, number,
Through: 5/31, For: AllDays,  Until: 24:00, 1,
Through: 9/30, For: AllDays,  Until: 24:00, 3,
Through: 12/31, For: AllDays, Until: 24:00, 1;

Schedule:Compact, TimeOfDaySchedule, number,
Through: 5/31, For: AllDays,  Until: 15:00, 3,
                              Until: 22:00, 1,
                              Until: 24:00, 3,
Through: 9/30, For: AllDays,  Until: 10:00, 3,
                              Until: 19:00, 1,
                              Until: 24:00, 3,
Through: 12/31, For: AllDays, Until: 15:00, 3,
                              Until: 22:00, 1,
                              Until: 24:00, 3;

Example G – Blocks within Blocks[LINK]

Utilities have come up with many different ways to encourage certain load factors and discourage other load factors. One method that has been used is blocks defined within other blocks. In the following example standard kWh blocks exist within the energy allocated for the first of several kWh/kW blocks.

Monthly Charge:$35 per month

Energy Charge:For all consumption not greater than 200 hours times the demand use

10.32 cents/kWh for the first 1000 kWh

7.43 cents/kWh for the next 4000 kWh

6.23 cents/kWh for the next 5000 kWh

4.27 cents/kWh for the remaining kWh less than 200 hours times the demand

6.82 cents/kWh for all consumption in excess of 200 hours and not greater than 400 hours times the demand

5.03 cents/kWh for all consumption in excess of 400 hours times the demand.

To set up this “block within a block” a UtilityCost:Charge:Block is first used to separate out the first 200 kWh/kW. The “EnergyFirst200kWhPerkW” charge performs this. It uses demand to multiply the first block size by 200 and the “cost” for the block is simply 1 since it passes through the energy to the variable “EnergyFirst200kWhPerkW”. The remaining energy goes into the “restOfEnergy” variable as specified as the “Remaining Into Variable” field. After this is evaluated we have two new variables that hold energy. Each of these variables are then separately used in UtilityCost:Charge:Block objects to evaluate the different parts of the example tariff. By using the “Remaining Into Variable” along with the concept of variables, many very complex tariffs may be modeled.

UtilityCost:Tariff,
  ExampleG,                !- Name
  ElectricityPurchased:Facility,  !- Output Meter Name
  KWh,                     !- Conversion Factor Choice
  ,                        !- Energy Conversion Factor
  ,                        !- Demand Conversion Factor
  ,                        !- Time of Use Period Schedule Name
  ,                        !- Season Schedule Name
  ,                        !- Month Schedule Name
  ,                        !- Demand Window Length
  35;                      !- Monthly Charge or Variable Name

UtilityCost:Charge:Block,
  EnergyFirst200kWhPerkW,  !- Charge Variable Name
  ExampleG,                !- Tariff Name
  totalEnergy,             !- Source Variable
  Annual,                  !- Season
  NotIncluded,             !- Category Variable Name
  restOfEnergy,            !- Remaining Into Variable
  totalDemand,             !- Block Size Multiplier Value or Variable Name
  200,                     !- Block Size 1 Value or Variable Name
  1;                       !- Block 1 Cost Per Unit Value or Variable Name

UtilityCost:Charge:Block,
  CostOfFirst200kWhPerkW,  !- Charge Variable Name
  ExampleG,                !- Tariff Name
  EnergyFirst200kWhPerkW,  !- Source Variable
  Annual,                  !- Season
  EnergyCharges,           !- Category Variable Name
  ,                        !- Remaining Into Variable
  ,                        !- Block Size Multiplier Value or Variable Name
  1000,                    !- Block Size 1 Value or Variable Name
  0.1032,                  !- Block 1 Cost Per Unit Value or Variable Name
  4000,                    !- Block Size 2 Value or Variable Name
  0.0743,                  !- Block 2 Cost Per Unit Value or Variable Name
  5000,                    !- Block Size 3 Value or Variable Name
  0.0623,                  !- Block 3 Cost Per Unit Value or Variable Name
  remaining,               !- Block Size 4 Value or Variable Name
  0.0427;                  !- Block 4 Cost Per Unit Value or Variable Name

UtilityCost:Charge:Block,
  CostOfRestOfEnergy,      !- Charge Variable Name
  ExampleG,                !- Tariff Name
  restOfEnergy,            !- Source Variable
  Annual,                  !- Season
  EnergyCharges,           !- Category Variable Name
  ,                        !- Remaining Into Variable
  totalDemand,             !- Block Size Multiplier Value or Variable Name
  200,                     !- Block Size 1 Value or Variable Name
  0.0682,                  !- Block 1 Cost Per Unit Value or Variable Name
  remaining,               !- Block Size 2 Value or Variable Name
  0.0503;                  !- Block 2 Cost Per Unit Value or Variable Name

Example H – Real Time Pricing[LINK]

Some utilities have tariffs that can have different prices every hour of the year called Real Time Pricing tariffs. Often the utility will inform the customer of the prices for each hour of the day just one day in advance. To model this type of utility rate a normal schedule is used that contains the prices on an hourly basis. The “Charge Schedule” field is where the Schedule object containing the prices is referenced. In addition, the “Baseline Use Schedule” field is used to set the schedule for the customer baseline load. Not all utilities use a customer baseline load so the field can be left blank if none is needed. The Period, Season and Month Schedules are not needed for these tariffs unless UtilityCost:Charge’s are used. The Schedule:File object can be especially useful to input a complex schedule that changes throughout the year.

Example H, shown below, is an example of how to use the UtilityCost:Tariff object with a schedule to calculate a utility tariff using real time prices. The example real time pricing schedule results in the same energy cost as Example F – Seasonal Time of Use Energy. This is only an example and usually for real time pricing the schedule values would vary throughout the year.

!  EXAMPLE H - Real Time Pricing (RTP)

  UtilityCost:Tariff,
    ExampleH,                !- Name
    ElectricityPurchased:Facility,  !- Output Meter Name
    kWh,                     !- Conversion Factor Choice
    ,                        !- Energy Conversion Factor
    ,                        !- Demand Conversion Factor
    ,                        !- Time of Use Period Schedule Name
    ,                        !- Season Schedule Name
    ,                        !- Month Schedule Name
    ,                        !- Demand Window Length
    37.75,                   !- Monthly Charge or Variable Name
    ,                        !- Minimum Monthly Charge or Variable Name
    RTPpriceSchedule-H,      !- Real Time Pricing Charge Schedule Name
    ,                        !- Customer Baseline Load Schedule Name
    ,                        !- Group Name
    buyFromUtility;          !- Buy Or Sell

  Schedule:Compact,
    RTPpriceSchedule-H,      !- Name
    Any Number,              !- Schedule Type Limits Name
    Through: 5/31,           !- Field 1
    For: AllDays,            !- Field 2
    Until: 15:00,            !- Field 3
    0.02420,                 !- Field 4
    Until: 22:00,            !- Field 5
    0.08315,                 !- Field 6
    Until: 24:00,            !- Field 7
    0.02420,                 !- Field 8
    Through: 9/30,           !- Field 9
    For: AllDays,            !- Field 10
    Until: 10:00,            !- Field 11
    0.06312,                 !- Field 12
    Until: 19:00,            !- Field 13
    0.14009,                 !- Field 14
    Until: 24:00,            !- Field 15
    0.06312,                 !- Field 16
    Through: 12/31,          !- Field 17
    For: AllDays,            !- Field 18
    Until: 15:00,            !- Field 19
    0.02420,                 !- Field 20
    Until: 22:00,            !- Field 21
    0.08315,                 !- Field 22
    Until: 24:00,            !- Field 23
    0.02420;                 !- Field 24

Example I – Selling and Net-Metering[LINK]

When the building contains a generator, photovoltaics, or other sources of electrical power, there is an opportunity for the building generator to produce more power than the building uses. The excess power can either be sold to the utility or offset the energy purchased.

When the excess power is sold, two utility rates need to be defined. The first can be defined just as in any of the previous examples. Since the “Buy or Sell” field of the UtilityCost:Tariff object defaults to “buyFromUtility” it does not even need to be specified. The meter specified in the “Output Meter” is usually set to “ElectricityPurchased:Facility.”

The second tariff needs to be defined with the “Buy or Sell” field set to “sellToUtility.” The “Output Meter” is usually set to “ElectricitySurplusSold:Facility.” It is important to set the appropriate meters that correspond with the “Buy or Sell” field. The example below shows an tariff that sells the excess electricity back to utility. The UtilityCost:Charge:Simple object contains a “Cost Per Value” with a negative number. A negative number is critical if a credit for selling this electricity is expected.

!  EXAMPLE I - Selling

  UtilityCost:Charge:Simple,
    GeneratedElectricSold,   !- Charge Variable Name
    ExampleI-Sell,           !- Tariff Name
    totalEnergy,             !- Source Variable
    Annual,                  !- Season
    EnergyCharges,           !- Category Variable Name
    -0.02;                   !- Cost Per Unit Value (or Variable)

  UtilityCost:Tariff,
    ExampleI-Sell,           !- Name
    ElectricitySurplusSold:Facility,  !- Output Meter Name
    kWh,                     !- Conversion Factor Choice
    ,                        !- Energy Conversion Factor
    ,                        !- Demand Conversion Factor
    ,                        !- Time of Use Period Schedule Name
    ,                        !- Season Schedule Name
    ,                        !- Month Schedule Name
    ,                        !- Demand Window Length
    ,                        !- Monthly Charge or Variable Name
    ,                        !- Minimum Monthly Charge or Variable Name
    ,                        !- Real Time Pricing Charge Schedule Name
    ,                        !- Customer Baseline Load Schedule Name
    ,                        !- Group Name
    sellToUtility;           !- Buy Or Sell

  UtilityCost:Charge:Simple,
    GeneratedElectricSold,   !- Charge Variable Name
    ExampleI-Sell,           !- Tariff Name
    totalEnergy,             !- Source Variable
    Annual,                  !- Season
    EnergyCharges,           !- Category Variable Name
    -0.02;                   !- Cost Per Unit Value or Variable Name

The next part of this example is a rate that uses net-metering. With net metering the meter conceptually turns backwards when the energy is being sold to the utility directly reducing the energy consumption being charged. Effectively, the rate charge for purchased electricity is the same as the rate credited for electricity sold to the utility. In this the “Buy or Sell” field should be set to “netMetering.” It is also important the “Output Meter” is set to a meter that represents net metering such as “ElectricityNet:Facility.” The following example shows a simple example tariff using net metering with a single UtilityCost:Charge:Simple:

!  EXAMPLE I – Net Metering

  UtilityCost:Tariff,
    ExampleI-NetMeter,       !- Name
    ElectricityNet:Facility, !- Output Meter Name
    kWh,                     !- Conversion Factor Choice
    ,                        !- Energy Conversion Factor
    ,                        !- Demand Conversion Factor
    ,                        !- Time of Use Period Schedule Name
    ,                        !- Season Schedule Name
    ,                        !- Month Schedule Name
    ,                        !- Demand Window Length
    30.00,                   !- Monthly Charge or Variable Name
    ,                        !- Minimum Monthly Charge or Variable Name
    ,                        !- Real Time Pricing Charge Schedule Name
    ,                        !- Customer Baseline Load Schedule Name
    ,                        !- Group Name
    netMetering;             !- Buy Or Sell

  UtilityCost:Charge:Simple,
    NetMeteredCharge,        !- Charge Variable Name
    ExampleI-NetMeter,       !- Tariff Name
    totalEnergy,             !- Source Variable
    Annual,                  !- Season
    EnergyCharges,           !- Category Variable Name
    0.065;                   !- Cost Per Unit Value or Variable Name