The workflow for adding storage technology candidates to your analysis is identical to that for adding conversion technology candidates, except that the fields specifying the properties of the technology are different.

Explanation of storage technology parameters:

PARAMETER

UNITS

REQUIRED?

DEFAULT

EXPLANATION

General parameters

 

 

 

 

Technology name

 

Yes

 

The name of the technology; can be selected freely

 

 

 

 

 

Optimization options

 

 

 

These options are mutually exclusive (only one can be selected)

This technology can be installed in these Hubs

 

 

TRUE, All hubs

The hubs in which the technology is allowed to be installed

This technology must be installed in these Hubs

 

 

FALSE

The hubs in which the technology is forced to be installed

This technology must Be Installed in At Least One Hub

 

 

FALSE

In this case, the optimizer will force the installation of the technology in at least one hub.  This option can be used if you would like to force the installation of the technology, but you want to know in which hub the technology should optimally be in installed.

Storage parameters

 

 

 

 

Stored Energy Carrier

 

Yes

 

The energy carrier that is stored in the technology

Technology capacity

Optimize / Specify Capacity

 

Optimize

Select whether to Optimize the capacity or specify the capacity manually (Specify Capacity)

Capacity

kW

Yes, if "Specify Capacity" is selected above

 

The pre-specified capacity of the technology; only visible if Specify Capacity is selected above.  A non-zero value of this parameter does not force the installation of the technology.  Rather, it only specifies that, if the technology is installed, this is the capacity which it must assume.

Maximum capacity

kW

 

Infinity

The maximum allowable capacity of the technology; only visible if Optimize is selected for "Technology capacity"

Minimum capacity

kW

 

0

The minimum allowable capacity of the technology; only visible if Optimize is selected for "Technology capacity"

Standby Loss (%/hour)

%/hour

 

Infinity

the losses of the storage technology as % of total capacity per hour. E.g. a Standby Loss of 0.01% for a storage technology with 100kWh of optimized capacity means 0.01kWh of losses per hour

Minimum SoC [%]

%

 

0

The minimum State of Charge (SoC) as % of total optimized capacity of the storage technology

Dis/Charging parameters

 

 

 

 

Storage Charging Efficiency

%

Yes

100

Energy efficiency of the process of charging the energy in the storage technology

Storage Discharging Efficiency

%

Yes

100

Energy efficiency of the process of discharging the energy from the storage technology

Maximum Charging Rate

%/hour

Yes

100

The maximum rate of charging of the storage capacity as % of the total capacity per hour. (E.g. a discharging rate of 1% per hour for a optimized capacity of 100kWh means 1kWh of max discharging rate per hour)

Maximum Discharging Rate

%/hour

Yes

100

The maximum rate of discharging of the storage capacity as % of the total capacity per hour. (E.g. a discharging rate of 1% per hour for a optimized capacity of 100kWh means 1kWh of max discharging rate per hour)

Cost parameters

 

 

 

 

Lifetime

years

Yes

 

The financial lifetime of the technology; specified in years.  This is used as a basis for annualizing the investment costs of the technology.

Fixed Investment cost

CHF

 

0

The fixed investment costs of the technology (not annualized), incurred in the specified amount if the technology is installed, regardless of the sizing.

Variable Investment Cost

CHF/kWh

 

0

The variable investment costs of the technology (per kW of installed capacity, not annualized)

Fixed O&M Cost

CHF/year  or
% of Total Investment Cost/year

 

0

The operation and maintenance costs of the technology that are incurred as a fixed amount each year if the technology is installed

Variable O&M Cost

CHF/kWh/year

 

0

The operation and maintenance costs that are incurred depending on the annual energy output (kWh) of the technology.  The output is defined with respect to the primary output energy carrier

Environmental parameters

 

 

 

 

Fixed Embodied CO2

kg-CO2

 

0

The embodied CO2 of the technology (i.e. the CO2 emissions incurred in the course of the technology's production and installation)

Variable Embodied CO2

kg-CO2/kWh

 

0

The embodied CO2 of the technology (i.e. the CO2 emissions incurred in the course of the technology's production and installation); expressed per kW of installed capacity