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Greenbyte Documentation

Irradiance-based Contractual Availability

This signal is an irradiance-based contractual availability. It takes into consideration contract settings as well as the metadata for irradiance cut-in.

Technology

Solar

Remarks

Required metadata fields:

  • Availability Irradiance Cut-In (W/m2) (Inverter metadata 8)

Note

This was created for Total Eren and was the original Production-based contractual availability in Solar.

Equation
Irradiance-based_Contractual_Availability_-_Equation.png

Where:

AI,contract

is the Irradiance-Based Contractual Availability

Aavailable

is the availability, theoretically available

Aproduction

is the availability, theoretical production

Cut-inIA

is the Availability Irradiance Cut-In (W/m2) (Inverter metadata 8)

PP

is the Potential Power Irradiance Only

Istc

is the constant 1000 W/m2, the Irradiance used under Standard Test Conditions

Atc

is the Time-based Contractual Availability (Inverter)

Inputs
Irradiance-based_Contractual_Availability_-_Inputs.png
Usage Example
Irradiance-based_Contractual_Availability_-_Usage_Example_1.png

A solar contract that excludes periods of low irradiance:

Irradiance-based_Contractual_Availability_-_Usage_Example_2.png