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With LEEM, municipalities, businesses, and institutions can now:

  1. Track times when electricity is supplied by high-emission generators
  2. Control how their energy management systems respond to high-emission periods
  3. Reduce electricity usage during high-emissions periods.

LEEM emission-intensity data can be integrated into a building’s energy management system. For example, the LEEM signal can be directed to a smart device, or an energy/emissions management application. Energy managers can then use this electricity emission-intensity data to shed and shift electricity consumption away from HVAC, compressors, pumps, lights, and other electrical draws.

In addition to emissions data, the LEEM data stream can provide users the site- and time-specific data regarding locational marginal pricing, commercial node, and marginal generator information.

  • Emissions Managers
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  • Energy Managers
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  • Energy Traders
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Marginal Emissions

  • Emissions Via Type Lookup Method
  • LEIARegion
  • LGenType
  • LPrice
  • LHRate
  • LCO2
  • LHg
  • LSOX
  • LNOX
  • LPb
  • LPart
  • Long Name
  • EIA Region Code Lookup
  • Marginal Generation Type Lookup
  • Marginal Generation Price Lookup
  • Marginal Generation Heat Rate Lookup
  • Marginal Generation Carbon Dioxide Lookup
  • Marginal Generation Mercury Lookup
  • Marginal Generation Sulfur Oxides Lookup
  • Marginal Generation Nitrous Oxides Lookup
  • Marginal Generation Lead Lookup
  • Marginal Generation Particulates Lookup
  • Description
  • The EIA/Egrid Subregion Used
  • The generation type of the marginal unit. These codes should be consistent with EIA/E-Grid codes
  • The price used for the type of marginal unit. $/MMBtu
  • The Heat Rate used for the type of marginal unit. MMBtu/MWh
  • The CO2 emission rate for this type of generator. Lbs/MWh
  • The Mercury emission rate for this type of generator. Lbs/MWh
  • The SOX emission rate for this type of generator. Lbs/MWh
  • The NOX emission rate for this type of generator. Lbs/MWh
  • The Lead emission rate for this type of generator. Lbs/MWh
  • The Particulate emission rate for this type of generator. Lbs/MWh
  • Emissions Via Probability Method
  • PEIARegion
  • PCO2
  • PHg
  • PSOX
  • PNOX
  • PPb
  • PPart
  •  
  • EIA Region Code Probability
  • Marginal Generation Carbon Dioxide Probability
  • Marginal Generation Mercury Probability
  • Marginal Generation Sulfur Oxides Probability
  • Marginal Generation Nitrous Oxides Probability
  • Marginal Generation Lead Probability
  • Marginal Generation Particulates Probability
  •  
  • The EIA/Egrid Sub-region Used
  • Lbs/MWh
  • Lbs/MWh
  • Lbs/MWh
  • Lbs/MWh
  • Lbs/MWh
  • Lbs/MWh

Marginal Locational Pricing

  • LMP Information
  • LMPName
  • LMPLat
  • LMPLong
  • LMP Type
  • DALMP
  • RTLMP
  •  Long Name
  • LMP Node Name 
  • Latitude of the geographically nearest LMP
  • Longitude of the geographically nearest LMP
  • Type of LMP Node
  • Day Ahead LMP Value
  • Real Time LMP Value
  • Description
  • The name of the LMP CPN or other node as determined. For LMPs with the same location, multiple LMPs might be returned
  • Given the requested location this is the location of the nearest LMP. In decimal degrees.
  • Given the requested location this is the location of the nearest LMP. In decimal degrees.
  • If known the type of the LMP Node. Currently the method uses “Generator Nodes,” but other LMP’s tied to a particular geographic or electric network location may have value.
  • The Day Ahead LMP for the requested time. $/MWh
  • The Real Time LMP for the requested time. $/MWh

Commercial Node Dynamics

  • LMP Information
  • LMPName
  • LMPLat
  • LMPLong
  • ISOLMP
  • LMP Type
  • DALMP
  • DAMCC
  • DAMLC
  • RTLMP
  • RTMCC
  • RTMLC
  •  Long Name
  • LMP Node Name 
  • Latitude of the geographically nearest LMP
  • Longitude of the geographically nearest LMP
  • ISO for this LMP
  • Type of LMP Node
  • Day Ahead LMP Value
  • Day Ahead Marginal Cost of Congestion
  • Day Ahead Marginal Loss Cost
  • Real Time LMP Value
  • Real Time Marginal Cost of Congestion
  • Real Time Marginal Loss Cost
  •  Description
  • The name of the LMP CPN or other node as determined. For LMPs with the same location, multiple LMPs might be returned
  • Given the requested location this is the location of the nearest LMP. In decimal degrees.
  • Given the requested location this is the location of the nearest LMP. In decimal degrees.
  • The ISO for this LMP
  • If known the type of the LMP Node. Currently the method uses “Generator Nodes,” but other LMP’s tied to a particular geographic or electric network location may have value.
  • The Day Ahead LMP for the requested time. $/MWh
  • The day Ahead Marginal Cost of Congestion. $/MWh
  • The Day Ahead Marginal Cost of Losses. $/MWh
  • The Real Time LMP for the requested time. $/MWh
  • The Real Time LMP for the requested Time.$/MWh
  • The Real Time Marginal Loss Cost. $/MWh

Marginal Generators

  • Generator Information at the LMP Node
  • EIAPlantCode
  • EIAGenCode
  • EIAName
  • GenType
  • GenFuelType
  • GenCapability
  • GenPrice
  • GenHRate
  • CO2
  • Hg
  • SOX
  • NOX
  • Pb
  • Part
  • Long Name
  • EIA Plant Code
  • EIA Generator Code
  • EIA Plant Name
  • EIA Generator Type
  • EIA Generator Primary Fuel Type
  • EIA Generator Maximum Capability
  • Generator Fuel Price for this Type
  • Generator Heat Rate
  • Generation Carbon Dioxide
  • Generation Mercury 
  • Generation Sulfur Oxides
  • Generation Nitrous Oxides 
  • Generation Lead 
  • Generation Particulates
  • Description
  • From the Form 860 Data
  • From the Form 860 Data
  • From the Form 860 Data
  • From the Form 860 Data
  • From the Form 860 Data
  • From the Form 860 Data
  • $/MMBtu
  • Calculated from EIA Data
  • Lbs/MWh
  • Lbs/MWh
  • Lbs/MWh
  • Lbs/MWh
  • Lbs/MWh
  • Lbs/MWh
  • Electric System Information
  • BusNumber
  • BusName
  • Generator ID
  • SubstationName
  • DABindingConstraint
  • RTBindingConstraint
  •  
  • Power Flow Bus Number
  • Power Flow Bus Name
  • Power Flow Generator ID
  • Substation Name
  • Day Ahead Binding Constraint 
  • Real Time Binding Constraint 
  •  
  • From the FERC 715 Power Flow Model
  • From the FERC 715 Power Flow Model
  • From the FERC 715 Power Flow Model
  • TRANSMISSION 2000 Mapping Data
  • Binding Transmission Constraints for the ISO. Repeated for all Day Ahead binding constraints 
  • Binding Transmission Constraints for the ISO. Repeated for all Real Time binding constraints 
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