Especially if your project is very energy efficient, you will probably be able to pay less for green power based on your energy model than you would using the default values from CBECS.  

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Especially if your project is very energy efficient, you will probably be able to pay less for green power based on your energy model than you would using the default values from CBECS. 

Running estimated calculations early in the design stage will help to give you a better understanding of how much the credit might cost. Just keep in mind that the cost may change once the energy usage is further defined as part of your calculations for E

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Running estimated calculations early in the design stage will help to give you a better understanding of how much the credit might cost. Just keep in mind that the cost may change once the energy usage is further defined as part of your calculations for EAp2 and EAc1: Optimize Energy Performance. If you are using an energy model per Option 1 of EAc1, the cost of RECs might change if alterations to the energy model are required after the LEED design review, but the change should be minimal.  

Green power prices can fluctuate like other utility prices. If you think prices may rise by the time the project is completed, lock in a low price by signing a contract anytime prior to occupancy. 

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Green power prices can fluctuate like other utility prices. If you think prices may rise by the time the project is completed, lock in a low price by signing a contract anytime prior to occupancy. 

Calculate a rough estimate of the cost for purchasing green power based on the default numbers found in the LEED Reference Guide or through DOE’s Commercial Buildings Energy Consumption Survey database (see the table at right). See the LEEDuser strategy o

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Calculate a rough estimate of the cost for purchasing green power based on the default numbers found in the LEED Reference Guide or through DOE’s Commercial Buildings Energy Consumption Survey database (see the table at right). See the LEEDuser strategy on step-by-step green power calculations and follow the steps for default electricity consumption calculations.

The lower your building’s energy use, the less you pay for this credit (because you have less electrical power use to offset). Explore cost-effective ways of reducing electrical energy consumption in order to reduce the cost of green power. 

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The lower your building’s energy use, the less you pay for this credit (because you have less electrical power use to offset). Explore cost-effective ways of reducing electrical energy consumption in order to reduce the cost of green power. 

Some universities and large companies have already decided to purchase green power and therefore your project may not have to pay for it directly. Consult with the owner to see if this is already happening and you can use previously allocated funds rather

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Some universities and large companies have already decided to purchase green power and therefore your project may not have to pay for it directly. Consult with the owner to see if this is already happening and you can use previously allocated funds rather than project funds. You will need to make sure there is no “double-dipping”.

Projects pursuing this credit with a district energy system should refer to the USGBC’s District Thermal Energy Treatment document for specific considerations. Note that this document has not been updated for LEED 2009, however.

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Projects pursuing this credit with a district energy system should refer to the USGBC’s District Thermal Energy Treatment document for specific considerations.

You can choose to purchase two years’ worth of green power at occupancy, rather than pay monthly or yearly. In this case, you would purchase double the percentage of assumed annual electricity consumption to satisfy the credit’s two-year commitment. 

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You can choose to purchase two years’ worth of green power at occupancy, rather than pay monthly or yearly. In this case, you would purchase double the percentage of assumed annual electricity consumption to satisfy the credit’s two-year commitment. For example, a LEED-CI project would purchase either 16 kWh per square foot or 100% of actual electricity consumption. 

You can choose to purchase two years’ worth of green power at occupancy, rather than pay monthly or yearly. In this case, you would purchase double the percentage of assumed annual electricity consumption to satisfy the credit’s two-year commitment. 

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You can choose to purchase two years’ worth of green power at occupancy, rather than pay monthly or yearly. In this case, you would purchase double the percentage of assumed annual electricity consumption to satisfy the credit’s two-year commitment. For example, a LEED-CS project would purchase 70% (or more) of the core-and-shell assumed annual electricity consumption. 

You can choose to purchase two years’ worth of green power at occupancy, rather than pay monthly or yearly. In this case, you would purchase double the percentage of assumed annual electricity consumption to satisfy the credit’s two-year commitment. For e

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You can choose to purchase two years’ worth of green power at occupancy, rather than pay monthly or yearly. In this case, you would purchase double the percentage of assumed annual electricity consumption to satisfy the credit’s two-year commitment. For example, a LEED-NC or Schools project would purchase 70% (or more) of the assumed annual electricity consumption. 

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