PASA Attributes Reference

This page documents the PLEXOS PASA class attributes and their default values, validation rules, and descriptions.

To look at the open access PLEXOS documentation, go to PLEXOS PASA Index.

Use this reference when setting configuration values through PlexosDB attributes, for example with add_attribute, get_attribute, and list_attributes.

PASA Attributes

Name

Units

Default Value

Validation Rule

Description

Compute Multi-area Reliability Indices

Yes/No

0

In (0,-1)

Master switch for computation of reliability indices LOLP, LOLE, etc across multiple areas.

Compute Reliability Indices

Yes/No

0

In (0,-1)

Master switch for computation of reliability indices LOLP, LOLE, etc.

Constraints Enabled

Yes/No

-1

In (0,-1)

If transmission line constraints are enabled in PASA.

Energy Objective

%

0

Between 0 And 100

Relative contribution of energy margins to PASA objective function

Include Contract Generation

Yes/No

0

In (0,-1)

Include physical contract generation capacity in PASA

Include Contract Load

Yes/No

0

In (0,-1)

Include physical contract load capacity in PASA

Include Demand Bids

Yes/No

0

In (0,-1)

Include demand bids are load in PASA

Include DSP

Yes/No

-1

In (0,-1)

Include demand-side participation in PASA

Include Market Purchases

Yes/No

0

In (0,-1)

Include market purchases as generation capacity in PASA

Interface Constraints Enabled

Yes/No

-1

In (0,-1)

If transmission interface constraints are enabled in PASA.

Maintenance Sculpting

%

0

Between 0 And 100

Level of sculpting of maintenance outages: Higher sculpting means outages are more concentrated in high reserve periods

Reliability Criterion

-

0

In (0,1)

Criterion used to select periods for Monte Carlo reliability analysis

Reliability LOLP Tolerance

-

0.01

>= 0

For reliability-based sampled chronology using LOLP criterion select intervals with LOLP at or above this level

Reliability Max Samples

h

1E+30

>= 1

For reliability-based sampled chronology select no more than this many hours per year

Step Type

-

1

In (0,1,2)

PASA step type: One period is modelled for each period of this type in horizon.

Stochastic Method

-

0

In (0,1,2,3)

Stochastic optimization method for PASA.

Transmission Detail

-

0

In (0,1,2)

Definition of maintenance area for PASA.

Write Outage Text Files

Yes/No

0

In (0,-1)

If outage patterns should be written to text files

Write Reliability Text Files

Yes/No

0

In (0,-1)

If the periods selected for Monte Carlo reliability analysis should be written to text files