Why measures are not applied to the model in openstudio?

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I have been working on adding measures like geothermal and co-generation systems for a project in OpenStudio application. However, after running the program, I understood that the measures are not effectively applied on the project model as the energy use values remained the same. Below is the ruby code for cogeneration:

# start the measure
class CogenerationMeasure < OpenStudio::Measure::ModelMeasure
  # Define the name and description of the measure
  def name
    return 'Cogeneration Measure'
  end

  def description
    return 'Upon running the measure, the cogeneration system is created using a micro generator object within the OpenStudio model. The user-defined capacity and efficiency values are assigned to the cogeneration system. The measure then adds the cogeneration system to the primary plant loop of the model, ensuring it becomes part of the overall HVAC system.'
  end

def modeler_description
  return "By applying the Cogeneration Measure, users can assess the impact of integrating a cogeneration system on their model's energy performance. This measure facilitates the evaluation of the combined electricity and heat generation potential, enabling users to analyze metrics such as energy consumption, demand, and cost savings. The measure serves as a valuable tool for energy efficiency analysis and decision-making regarding the implementation of cogeneration systems in OpenStudio models."
end

  # Define the measure inputs
  def arguments(model)
    args = OpenStudio::Measure::OSArgumentVector.new

    # set capacity
    capacity = OpenStudio::Measure::OSArgument.makeDoubleArgument('capacity', true)
    capacity.setDisplayName('Cogeneration System Capacity')
    capacity.setUnits('kW')
    capacity.setDefaultValue(150.0)
    args << capacity

    # set efficiency
    efficiency = OpenStudio::Measure::OSArgument.makeDoubleArgument('efficiency', true)
    efficiency.setDisplayName('Cogeneration System Efficiency')
    efficiency.setUnits('fraction')
    efficiency.setDefaultValue(0.8)
    args << efficiency

    return args
  end

  # define what happens when the measure is run
  def run(model, runner, user_arguments)
    super(model, runner, user_arguments)

    # use the built-in error checking
    if !runner.validateUserArguments(arguments(model), user_arguments)
      return false
    end

    # assign the user inputs to variables
    args = OsLib_HelperMethods.createRunVariables(runner, model, user_arguments, arguments(model))
    if !args then return false end

    # Get the user inputs
    capacity = runner.getDoubleArgumentValue('capacity', user_arguments)
    efficiency = runner.getDoubleArgumentValue('efficiency', user_arguments)

    # Check if the capacity is valid
    if capacity <= 0.0
      runner.registerError('Cogeneration system capacity must be a positive value.')
      return false
    end

    # Check if the efficiency is valid
    if efficiency <= 0.0 || efficiency > 1.0
      runner.registerError('Cogeneration system efficiency must be between 0 and 1.')
      return false
    end

    # Create a cogeneration system object
    cogeneration = OpenStudio::Model::GeneratorMicroTurbine.new(model)
  cogen = OpenStudio::Model::GeneratorMicroTurbineHeatRecovery.new(model, cogeneration)
  cogeneration.setReferenceElectricalPowerOutput(capacity)
    cogeneration.setReferenceElectricalEfficiencyUsingLowerHeatingValue(efficiency)

    # Add the cogeneration system to the primary plant loop
    loop = model.getPlantLoopByName('Hot Water Plant Loop').get
    loop.addSupplyBranchForComponent(cogen)

   # Report the success of the measure
    runner.registerInfo('Cogeneration system has been added to the model.')

    return true
  end
end

# Register the measure with the OpenStudio MeasureManager
CogenerationMeasure.new.registerWithApplication