Class: URBANopt::Reporting::DefaultReports::DistributedGeneration

Inherits:
Object
  • Object
show all
Defined in:
lib/urbanopt/reporting/default_reports/distributed_generation.rb

Overview

Onsite distributed generation system (i.e. SolarPV, Wind, Storage, Generator) design attributes and financial metrics.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(hash = {}) ⇒ DistributedGeneration

Initialize distributed generation system design and financial metrics.

  • Technologies include :solar_pv, :wind, :generator, and :storage.
  • Financial metrics include :lcc, :npv, :year_one_energy_cost_before_tax, :year_one_demand_cost_before_tax, :year_one_bill_before_tax, :lifecycle_energy_cost_after_tax, :initial_capital_costs, :initial_capital_costs_after_incentives, :lifecycle_capital_costs, :lifecycle_elecbill_after_tax, and :lifecycle_fuel_costs_after_tax

[parameters:]

  • hash - Hash - A hash containing key/value pairs for the distributed generation system attributes listed above.


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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 207

def initialize(hash = {})
  hash.delete_if { |k, v| v.nil? }

  @renewable_electricity_fraction = hash[:renewable_electricity_fraction]
  @lcc = hash[:lcc]
  @lcc_bau = hash[:lcc_bau]
  @npv = hash[:npv]
  @year_one_energy_cost_before_tax = hash[:year_one_energy_cost_before_tax]
  @year_one_energy_cost_before_tax_bau = hash[:year_one_energy_cost_before_tax_bau]
  @year_one_demand_cost_before_tax = hash[:year_one_demand_cost_before_tax]
  @year_one_demand_cost_before_tax_bau = hash[:year_one_demand_cost_before_tax_bau]
  @year_one_bill_before_tax = hash[:year_one_bill_before_tax]
  @year_one_bill_before_tax_bau = hash[:year_one_bill_before_tax_bau]
  @lifecycle_energy_cost_after_tax = hash[:lifecycle_energy_cost_after_tax]
  @lifecycle_energy_cost_after_tax_bau = hash[:lifecycle_energy_cost_after_tax_bau]
  @lifecycle_demand_cost_after_tax = hash[:lifecycle_demand_cost_after_tax]
  @lifecycle_demand_cost_after_tax_bau = hash[:lifecycle_demand_cost_after_tax_bau]
  @initial_capital_costs = hash[:initial_capital_costs]
  @initial_capital_costs_after_incentives = hash[:initial_capital_costs_after_incentives]
  @lifecycle_capital_costs = hash[:lifecycle_capital_costs]
  @lifecycle_fuel_costs_after_tax = hash[:lifecycle_fuel_costs_after_tax]
  @lifecycle_elecbill_after_tax = hash[:lifecycle_elecbill_after_tax]

  @resilience_hours_min = hash[:resilience_hours_min]
  @resilience_hours_max = hash[:resilience_hours_max]
  @resilience_hours_avg = hash[:resilience_hours_avg]
  @probs_of_surviving = hash[:probs_of_surviving]
  @probs_of_surviving_by_month = hash[:probs_of_surviving_by_month]
  @probs_of_surviving_by_hour_of_the_day = hash[:probs_of_surviving_by_hour_of_the_day]

  # optional
  @reopt_assumptions_file_path = nil
  if hash[:reopt_assumptions_file_path]
    @reopt_assumptions_file_path = hash[:reopt_assumptions_file_path]
  end

  @total_solar_pv_kw = nil
  @total_wind_kw = nil
  @total_generator_kw = nil
  @total_storage_kw = nil
  @total_storage_kwh = nil

  @solar_pv = []
  if hash[:solar_pv].instance_of?(Hash)
    hash[:solar_pv] = [hash[:solar_pv]]
  elsif hash[:solar_pv].nil?
    hash[:solar_pv] = []
  end

  hash[:solar_pv].each do |s|
    if !s[:size_kw].nil? && (s[:size_kw] != 0)
      @solar_pv.push SolarPV.new(s)
      if @total_solar_pv_kw.nil?
        @total_solar_pv_kw = @solar_pv[-1].size_kw
      else
        @total_solar_pv_kw += @solar_pv[-1].size_kw
      end
    end
  end

  @wind = []
  if hash[:wind].instance_of?(Hash)
    hash[:wind] = [hash[:wind]]
  elsif hash[:wind].nil?
    hash[:wind] = []
  end

  hash[:wind].each do |s|
    if !s[:size_kw].nil? && (s[:size_kw] != 0)
      @wind.push Wind.new(s)
      if @total_wind_kw.nil?
        @total_wind_kw = @wind[-1].size_kw
      else
        @total_wind_kw += @wind[-1].size_kw
      end
    end
  end

  @generator = []
  if hash[:generator].instance_of?(Hash)
    hash[:generator] = [hash[:generator]]
  elsif hash[:generator].nil?
    hash[:generator] = []
  end

  hash[:generator].each do |s|
    if !s[:size_kw].nil? && (s[:size_kw] != 0)
      @generator.push Generator.new(s)
      if @total_generator_kw.nil?
        @total_generator_kw = @generator[-1].size_kw
      else
        @total_generator_kw += @generator[-1].size_kw
      end
    end
  end

  @storage = []
  if hash[:storage].instance_of?(Hash)
    hash[:storage] = [hash[:storage]]
  elsif hash[:storage].nil?
    hash[:storage] = []
  end

  hash[:storage].each do |s|
    if !s[:size_kw].nil? && (s[:size_kw] != 0)
      @storage.push Storage.new(s)
      if @total_storage_kw.nil?
        @total_storage_kw = @storage[-1].size_kw
        @total_storage_kwh = @storage[-1].size_kwh
      else
        @total_storage_kw += @storage[-1].size_kw
        @total_storage_kwh += @storage[-1].size_kwh
      end
    end
  end

  # initialize class variables @@validator and @@schema
  @@validator ||= Validator.new
  @@schema ||= @@validator.schema

  # initialize @@logger
  @@logger ||= URBANopt::Reporting::DefaultReports.logger
end

Instance Attribute Details

#generator ⇒ Object

Array - List of Generator systems



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 123

def generator
  @generator
end

#initial_capital_costs ⇒ Object

Float - Up-front capital costs for all technologies, in present value, excluding replacement costs and incentives.



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 88

def initial_capital_costs
  @initial_capital_costs
end

#initial_capital_costs_after_incentives ⇒ Object

Float - Up-front capital costs for all technologies, in present value, excluding replacement costs, including incentives.



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 93

def initial_capital_costs_after_incentives
  @initial_capital_costs_after_incentives
end

#lcc ⇒ Object

Float - Lifecycle costs for the complete distributed generation system in US Dollars



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 23

def lcc
  @lcc
end

#lcc_bau ⇒ Object

Float - Lifecycle costs for the complete distributed generation system in US Dollars



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 28

def lcc_bau
  @lcc_bau
end

#lifecycle_capital_costs ⇒ Object

Float - Net capital costs for all technologies, in present value, including replacement costs and incentives.



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 98

def lifecycle_capital_costs
  @lifecycle_capital_costs
end

#lifecycle_demand_cost_after_tax ⇒ Object

Float - Total demand costs in US Dollars over the life of the system after tax



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 58

def lifecycle_demand_cost_after_tax
  @lifecycle_demand_cost_after_tax
end

#lifecycle_demand_cost_after_tax_bau ⇒ Object

Float - Total lifetime demand costs in the business as usual scenario (i.e no new system) after tax, us dollars



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 78

def lifecycle_demand_cost_after_tax_bau
  @lifecycle_demand_cost_after_tax_bau
end

#lifecycle_elecbill_after_tax ⇒ Object

Float - Component of lifecycle costs (LCC). This value is the present value of all electric utility charges, after tax.



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 108

def lifecycle_elecbill_after_tax
  @lifecycle_elecbill_after_tax
end

#lifecycle_energy_cost_after_tax ⇒ Object

Float - Total energy costs in US Dollars over the life of the system after tax



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 53

def lifecycle_energy_cost_after_tax
  @lifecycle_energy_cost_after_tax
end

#lifecycle_energy_cost_after_tax_bau ⇒ Object

Float - Total lifetime energy costs in the business as usual scenario (i.e no new system) after tax, us dollars



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 83

def lifecycle_energy_cost_after_tax_bau
  @lifecycle_energy_cost_after_tax_bau
end

#lifecycle_fuel_costs_after_tax ⇒ Object

Float - Component of lifecycle costs (LCC). This value is the present value of all fuel costs over the analysis period, after tax.



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 103

def lifecycle_fuel_costs_after_tax
  @lifecycle_fuel_costs_after_tax
end

#npv ⇒ Object

Float - Net present value of the complete distributed generation system in US Dollars



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 33

def npv
  @npv
end

#probs_of_surviving ⇒ Object

Float - Average probability the system can sustain critical load during a grid outage



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 173

def probs_of_surviving
  @probs_of_surviving
end

#probs_of_surviving_by_hour_of_the_day ⇒ Object

Float - Average hourly probabiliies that the system can sustain critical load during a grid outage



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 183

def probs_of_surviving_by_hour_of_the_day
  @probs_of_surviving_by_hour_of_the_day
end

#probs_of_surviving_by_month ⇒ Object

Float - Average monthly probabiliies that the system can sustain critical load during a grid outage



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 178

def probs_of_surviving_by_month
  @probs_of_surviving_by_month
end

#renewable_electricity_fraction ⇒ Object

Float - Annual fraction of electricity supplied by renewable sources



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 192

def renewable_electricity_fraction
  @renewable_electricity_fraction
end

#reopt_assumptions_file_path ⇒ Object

String - Filepath of reopt assumptions file used, if known



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 187

def reopt_assumptions_file_path
  @reopt_assumptions_file_path
end

#resilience_hours_avg ⇒ Object

Float - Average hour the system can support critical load during a grid outage



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 168

def resilience_hours_avg
  @resilience_hours_avg
end

#resilience_hours_max ⇒ Object

Float - Maximum hour the system can support critical load during a grid outage



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 163

def resilience_hours_max
  @resilience_hours_max
end

#resilience_hours_min ⇒ Object

Float - Minimum hour the system can support critical load during a grid outage



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 158

def resilience_hours_min
  @resilience_hours_min
end

#solar_pv ⇒ Object

Array - List of SolarPV systems



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 113

def solar_pv
  @solar_pv
end

#storage ⇒ Object

Array - List of Storage systems



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 128

def storage
  @storage
end

#total_generator_kw ⇒ Object

Float - Installed generator capacity



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 153

def total_generator_kw
  @total_generator_kw
end

#total_solar_pv_kw ⇒ Object

Float - Installed solar PV capacity



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 133

def total_solar_pv_kw
  @total_solar_pv_kw
end

#total_storage_kw ⇒ Object

Float - Installed storage capacity



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 143

def total_storage_kw
  @total_storage_kw
end

#total_storage_kwh ⇒ Object

Float - Installed storage capacity



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 148

def total_storage_kwh
  @total_storage_kwh
end

#total_wind_kw ⇒ Object

Float - Installed wind capacity



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 138

def total_wind_kw
  @total_wind_kw
end

#wind ⇒ Object

Array - List of Wind systems



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 118

def wind
  @wind
end

#year_one_bill_before_tax ⇒ Object

Float - Total amount paid to the utility in US Dollars in the first year of operation



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 48

def year_one_bill_before_tax
  @year_one_bill_before_tax
end

#year_one_bill_before_tax_bau ⇒ Object

Float - Year one demand energy bill in the business as usual scenario (i.e no new system), us dollars



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 73

def year_one_bill_before_tax_bau
  @year_one_bill_before_tax_bau
end

#year_one_demand_cost_before_tax ⇒ Object

Float - Total amount paid in utility demand charges in US Dollars in the first year of operation



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 43

def year_one_demand_cost_before_tax
  @year_one_demand_cost_before_tax
end

#year_one_demand_cost_before_tax_bau ⇒ Object

Float - Year one demand cost in the business as usual scenario (i.e no new system), us dollars



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 68

def year_one_demand_cost_before_tax_bau
  @year_one_demand_cost_before_tax_bau
end

#year_one_energy_cost_before_tax ⇒ Object

Float - Total amount paid for utility energy in US Dollars in the first year of operation



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 38

def year_one_energy_cost_before_tax
  @year_one_energy_cost_before_tax
end

#year_one_energy_cost_before_tax_bau ⇒ Object

Float - Year one energy cost in the business as usual scenario (i.e no new system) before tax, us dollars



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 63

def year_one_energy_cost_before_tax_bau
  @year_one_energy_cost_before_tax_bau
end

Class Method Details

.add_values(existing_value, new_value) ⇒ Object

Add up old and new values



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 443

def self.add_values(existing_value, new_value) #:nodoc:
  if existing_value && new_value
    existing_value += new_value
  elsif new_value
    existing_value = new_value
  end
  return existing_value
end

.merge_distributed_generation(existing_dgen, new_dgen) ⇒ Object

Merge a distributed generation system with a new system



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 455

def self.merge_distributed_generation(existing_dgen, new_dgen)
  existing_dgen.renewable_electricity_fraction = add_values(existing_dgen.renewable_electricity_fraction, new_dgen.renewable_electricity_fraction)
  existing_dgen.lcc = add_values(existing_dgen.lcc, new_dgen.lcc)
  existing_dgen.lcc_bau = add_values(existing_dgen.lcc_bau, new_dgen.lcc_bau)
  existing_dgen.npv = add_values(existing_dgen.npv, new_dgen.npv)

  existing_dgen.year_one_energy_cost_before_tax = add_values(existing_dgen.year_one_energy_cost_before_tax, new_dgen.year_one_energy_cost_before_tax)
  existing_dgen.year_one_demand_cost_before_tax = add_values(existing_dgen.year_one_demand_cost_before_tax, new_dgen.year_one_demand_cost_before_tax)
  existing_dgen.year_one_bill_before_tax = add_values(existing_dgen.year_one_bill_before_tax, new_dgen.year_one_bill_before_tax)
  existing_dgen.lifecycle_energy_cost_after_tax = add_values(existing_dgen.lifecycle_energy_cost_after_tax, new_dgen.lifecycle_energy_cost_after_tax)
  existing_dgen.lifecycle_demand_cost_after_tax = add_values(existing_dgen.lifecycle_demand_cost_after_tax, new_dgen.lifecycle_demand_cost_after_tax)

  existing_dgen.year_one_energy_cost_before_tax_bau = add_values(existing_dgen.year_one_energy_cost_before_tax_bau, new_dgen.year_one_energy_cost_before_tax_bau)
  existing_dgen.year_one_demand_cost_before_tax_bau = add_values(existing_dgen.year_one_demand_cost_before_tax_bau, new_dgen.year_one_demand_cost_before_tax_bau)
  existing_dgen.year_one_bill_before_tax_bau = add_values(existing_dgen.year_one_bill_before_tax_bau, new_dgen.year_one_bill_before_tax_bau)
  existing_dgen.lifecycle_energy_cost_after_tax_bau = add_values(existing_dgen.lifecycle_energy_cost_after_tax_bau, new_dgen.lifecycle_energy_cost_after_tax_bau)
  existing_dgen.lifecycle_demand_cost_after_tax_bau = add_values(existing_dgen.lifecycle_demand_cost_after_tax_bau, new_dgen.lifecycle_demand_cost_after_tax_bau)

  existing_dgen.initial_capital_costs = add_values(existing_dgen.initial_capital_costs, new_dgen.initial_capital_costs)
  existing_dgen.initial_capital_costs_after_incentives = add_values(existing_dgen.initial_capital_costs_after_incentives, new_dgen.initial_capital_costs_after_incentives)
  existing_dgen.lifecycle_capital_costs = add_values(existing_dgen.lifecycle_capital_costs, new_dgen.lifecycle_capital_costs)
  existing_dgen.lifecycle_fuel_costs_after_tax = add_values(existing_dgen.lifecycle_fuel_costs_after_tax, new_dgen.lifecycle_fuel_costs_after_tax)
  existing_dgen.lifecycle_elecbill_after_tax = add_values(existing_dgen.lifecycle_elecbill_after_tax, new_dgen.lifecycle_elecbill_after_tax)

  existing_dgen.resilience_hours_min = add_values(existing_dgen.resilience_hours_min, new_dgen.resilience_hours_min)
  existing_dgen.resilience_hours_max = add_values(existing_dgen.resilience_hours_max, new_dgen.resilience_hours_max)
  existing_dgen.resilience_hours_avg = add_values(existing_dgen.resilience_hours_avg, new_dgen.resilience_hours_avg)
  existing_dgen.probs_of_surviving = add_values(existing_dgen.probs_of_surviving, new_dgen.probs_of_surviving)
  existing_dgen.probs_of_surviving_by_month = add_values(existing_dgen.probs_of_surviving_by_month, new_dgen.probs_of_surviving_by_month)
  existing_dgen.probs_of_surviving_by_hour_of_the_day = add_values(existing_dgen.probs_of_surviving_by_hour_of_the_day, new_dgen.probs_of_surviving_by_hour_of_the_day)

  new_dgen.solar_pv.each do |pv|
    existing_dgen.solar_pv.push pv
    if existing_dgen.total_solar_pv_kw.nil?
      existing_dgen.total_solar_pv_kw = pv.size_kw
    else
      existing_dgen.total_solar_pv_kw += pv.size_kw
    end
  end

  new_dgen.wind.each do |wind|
    existing_dgen.wind.push wind
    if existing_dgen.total_wind_kw.nil?
      existing_dgen.total_wind_kw = wind.size_kw
    else
      existing_dgen.total_wind_kw += wind.size_kw
    end
  end

  new_dgen.storage.each do |storage|
    existing_dgen.storage.push storage
    if existing_dgen.total_storage_kw.nil?
      existing_dgen.total_storage_kw = storage.size_kw
      existing_dgen.total_storage_kwh = storage.size_kwh
    else
      existing_dgen.total_storage_kw += storage.size_kw
      existing_dgen.total_storage_kwh += storage.size_kwh
    end
  end

  new_dgen.generator.each do |generator|
    existing_dgen.generator.push generator
    if existing_dgen.total_generator_kw.nil?
      existing_dgen.total_generator_kw = generator.size_kw
    else
      existing_dgen.total_generator_kw += generator.size_kw
    end
  end

  return existing_dgen
end

Instance Method Details

#add_tech(name, tech) ⇒ Object

Add a tech



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 334

def add_tech(name, tech)
  if name == 'solar_pv'
    @solar_pv.push tech
    if @total_solar_pv_kw.nil?
      @total_solar_pv_kw = tech.size_kw
    else
      @total_solar_pv_kw += tech.size_kw
    end
  end

  if name == 'wind'
    @wind.push tech
    if @total_wind_kw.nil?
      @total_wind_kw = tech.size_kw
    else
      @total_wind_kw += tech.size_kw
    end
  end

  if name == 'storage'
    @storage.push tech
    if @total_storage_kw.nil?
      @total_storage_kw = tech.size_kw
      @total_storage_kwh = tech.size_kwh
    else
      @total_storage_kw += tech.size_kw
      @total_storage_kwh += tech.size_kwh
    end
  end

  if name == 'generator'
    @generator.push tech
    if @total_generator_kw.nil?
      @total_generator_kw = tech.size_kw
    else
      @total_generator_kw += tech.size_kw
    end
  end
end

#to_hash ⇒ Object

Convert to a Hash equivalent for JSON serialization



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# File 'lib/urbanopt/reporting/default_reports/distributed_generation.rb', line 377

def to_hash
  result = {}
  result[:reopt_assumptions_file_path] = @reopt_assumptions_file_path if @reopt_assumptions_file_path
  result[:renewable_electricity_fraction] = @renewable_electricity_fraction if @renewable_electricity_fraction
  result[:lcc] = @lcc if @lcc
  result[:lcc_bau] = @lcc_bau if @lcc_bau
  result[:npv] = @npv if @npv

  result[:year_one_energy_cost_before_tax] = @year_one_energy_cost_before_tax if @year_one_energy_cost_before_tax
  result[:year_one_demand_cost_before_tax] = @year_one_demand_cost_before_tax if @year_one_demand_cost_before_tax
  result[:year_one_bill_before_tax] = @year_one_bill_before_tax if @year_one_bill_before_tax
  result[:lifecycle_demand_cost_after_tax] = @lifecycle_demand_cost_after_tax if @lifecycle_demand_cost_after_tax
  result[:lifecycle_energy_cost_after_tax] = @lifecycle_energy_cost_after_tax if @lifecycle_energy_cost_after_tax

  result[:year_one_energy_cost_before_tax_bau] = @year_one_energy_cost_before_tax_bau if @year_one_energy_cost_before_tax_bau
  result[:year_one_demand_cost_before_tax_bau] = @year_one_demand_cost_before_tax_bau if @year_one_demand_cost_before_tax_bau
  result[:year_one_bill_before_tax_bau] = @year_one_bill_before_tax_bau if @year_one_bill_before_tax_bau
  result[:lifecycle_energy_cost_after_tax_bau] = @lifecycle_energy_cost_after_tax_bau if @lifecycle_energy_cost_after_tax_bau
  result[:lifecycle_demand_cost_after_tax_bau] = @lifecycle_demand_cost_after_tax_bau if @lifecycle_demand_cost_after_tax_bau

  result[:initial_capital_costs] = @initial_capital_costs if @initial_capital_costs
  result[:initial_capital_costs_after_incentives] = @initial_capital_costs_after_incentives if @initial_capital_costs_after_incentives
  result[:lifecycle_capital_costs] = @lifecycle_capital_costs if @lifecycle_capital_costs
  result[:lifecycle_fuel_costs_after_tax] = @lifecycle_fuel_costs_after_tax if @lifecycle_fuel_costs_after_tax
  result[:lifecycle_elecbill_after_tax] = @lifecycle_elecbill_after_tax if @lifecycle_elecbill_after_tax

  result[:total_solar_pv_kw] = @total_solar_pv_kw if @total_solar_pv_kw
  result[:total_wind_kw] = @total_wind_kw if @total_wind_kw
  result[:total_generator_kw] = @total_generator_kw if @total_generator_kw
  result[:total_storage_kw] = @total_storage_kw if @total_storage_kw
  result[:total_storage_kwh] = @total_storage_kwh if @total_storage_kwh

  result[:resilience_hours_min] = @resilience_hours_min if @resilience_hours_min
  result[:resilience_hours_max] = @resilience_hours_max if @resilience_hours_max
  result[:resilience_hours_avg] = @resilience_hours_avg if @resilience_hours_avg
  result[:probs_of_surviving] = @probs_of_surviving if @probs_of_surviving
  result[:probs_of_surviving_by_month] = @probs_of_surviving_by_month if @probs_of_surviving_by_month
  result[:probs_of_surviving_by_hour_of_the_day] = @probs_of_surviving_by_hour_of_the_day if @probs_of_surviving_by_hour_of_the_day

  result[:solar_pv] = []
  @solar_pv.each do |pv|
    result[:solar_pv].push pv.to_hash
  end
  result[:wind] = []
  @wind.each do |wind|
    result[:wind].push wind.to_hash
  end
  result[:generator] = []
  @generator.each do |generator|
    result[:generator].push generator.to_hash
  end
  result[:storage] = []
  @storage.each do |storage|
    result[:storage].push storage.to_hash
  end
  return result
end