FAQ

We’re continually adding to the FAQ. Can’t find what you’re looking for? Message your Customer Success Coach in-app or email support@gridcognition.com

Tracking Module

Projects in Gridcognition can integrate multiple markets, multiple sites, and multiple assets.
Typical examples of projects could include:

  • Real Estate portfolio of shopping centers or office buildings,
  • University campus,
  • New residential land development with thousands of dwellings,
  • Network of multi-story parking lots with electric vehicle charging,
  • Large behind-the-meter solar farm with battery storage and backup generators for an industrial site,
  • Virtual power plant integrating thousands of small business customers,
  • A group of large warehouse distribution centers with on-site generation and fleets of last-mile electric delivery vans,

The list goes on!

Site Variations are the number of different variations of customer sites being modelled each month.

A single customer site with no solar system or one solar system (2 options), would be 2 Site Variations. Ten customer sites, each with five solar-system options, would be 50 site variations.

The more site variations the longer simulation and optimisation jobs will take to run, given the same simulation compute resources..

Our Micro and Standard contracts are based on our Standard Terms & Conditions, which will be included with your electronic proposal. We can support custom contracting processes and terms for Enterprise customers.

The Gridcognition service is compute-intensive and highly parallelized. We will allocate a compute instance to each project simulation, with support for at least ‘X’ concurrent threads of processing, for example 32 concurrent threads of processing are made available on the Standard plan.

Modelling Support is available to assist users to develop or refine project models using the software, or to interpret project modelling results.

Modelling Support can be requested via email and on-request Gridcognition can provide an estimate of the time required for a given modelling support request.

We support SAML-based Single Sign-On, which is included in our Enterprise plan, and can be enabled for an additional fee for customers on the Gridcognition Standard plan.

Custom data integrations are available for Enterprise Customers only. These can be enabled for an additional fee.

Technical Support is provided to assist users with technical problems and with ‘how do I …’ product usage questions (e.g., ‘how do I export my simulation results to Excel’). Technical support is not intended to be project specific (i.e. not ‘help me create a new project to model EV chargers’).

Technical support is provided by email or by messaging @Gridcognition using the project chat feature. Premium support is available as an add-on for Enterprise customers.

Performance Module Coming Soon

Battery

(For example, you want to include additional capital costs for inverter replacement 15 years after installation). Yes, we can future date your hardware capex costs using the Equipment Prices area of the library.

No. That would only happen if the battery charged from the solar and increased the net generation consumed on-site. You also can’t have a PPA attached directly to a battery. Although, you can have a PPA attached to a solar system where the battery can impact that PPA by storing (and then on-selling via the PPA) solar PV output that would otherwise be wasted or sent to the grid.

Self-consumption mode is where you use excess solar to charge the battery i.e. solar that is surplus to the site’s requirements, and discharged as soon as there is site load to discharge into. Co-optimised mode is when you fully optimise the battery based on the price signals the site or participant is exposed to. The intent is for co-optimised assets to perform in a way that delivers the greatest possible commercial return. This can include all energy and demand tariff components, along with capacity-type items like FCAS (Australia) or Dynamic Containment (UK). Optimisation uses full-resolution interval data and considers the uncertainty settings applied for load forecast and market forecast.

Battery duration determines the inverter sizing that gets modelled alongside the battery storage capacity. So, for example, if you have a 100kWh battery with a 1 hour duration then that will model a 100kW inverter coupled to your 100kWh of storage cells. If you select a 2 hour duration then a 50kW inverter, 4 hour duration a 25kW inverter. You get the idea. You can model the same sized battery with multiple different inverter rates (battery durations) to see which gives best commercial return.

Tag: duration

Environmental

For Australia and for the NEM we pull the generation emissions values from AEMO for each 30 minute interval and create a volume weighted average for each market/State. For the WEM, which doesn’t have easily accessible emissions data for each generator, we use the National Greenhouse Accounts scope 2 emissions factor for the South West Interconnected System (SWIS).

Yes. Currently the national Renewable Energy Target (RET) in Australia, which drives the STC and LGC markets, is only set up to run until 2030.

Library

At the moment, uploading custom market data is an admin-only feature as the data comes in a wide range of formats. It sometimes needs tweaking so if you need to upload market pricing, contact support@gridcognition.com with the details we will get it sorted out for you.

Tag: tariff

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Projects

No you can’t. However, you can cancel a run if you know there’s something you’re not happy with.

Go to the scenario > sites and select the site you’d like to remove using the site selector. Click the ellipsis next to the site tile (the one with the map) and then click the delete icon. It’s important to note that deleting a site from one scenario will delete it from all other scenarios.

Yes, if you’re unsure, you can assess the impact of potential tariffs by creating multiple scenarios and applying different tariffs to each.

Tags: network, tariff

Results

Opex are all annual costs that will be billed monthly in the cashflows. So, $5/kWh for storage would end up as an annual Opex of $500 if you had a 100kWh of storage. $42 a month in the cashflows ($500/12 months).

Tags: cashflows, Opex

Yes, by re-running a previous project design. If you go to the History tab of your project, you can select a previous version (that has gone through the simulation process). To revert back that scenario, choose ‘Fork from Version’ and then ‘Create New Simulation’. You’ll then need to re-run that version that you’ve reverted back to.

Relative Cashflows are the total cashflow differences for that particular project permutation relative to the baseline. On the Project Options Overview tab, it’s the total over the entire project duration. In other places, for example the Relative Cashflows tab, we show both the project total and the annual totals.

Tag: cashflows

There’s a download button on each tab. Just scroll to the very bottom of the page and press ‘Download’. Then you can select the format you want to see the data in. Select Crosstab if you need the data in csv format.

Tag: download

Solar

LGCs are based on a forward price curve which you can see in the ‘Rates’ tab of the Results. With regards to the STCs, they are currently a flat price. The STC rebate is a one-off event that gets applied at a single point in a project.

Tags: certificates, LGC, STC

The easiest way is to find an existing FiT in the library under Retail Tariffs and clone that. Then you can then adjust the rate to whatever you need it to be and then add it to your site as a Retail tariff. Don’t forget you always need to set up the value flows any time you apply a tariff or cost to a site. In this case you’ll want the FiT to be an inflow for the site owner.

Yes, the Gridcognition platform will automatically create a solar system yield using the longitude and latitude coordinates for your site together with the system parameters you specify. However, if you have your own modelled solar data for a site from third-party software, perhaps because you’ve used PVsyst or similar, then you can upload it to your Library and add it to your simulation. So, your two options are: 1) Create the PV asset in Gridcognition and it will be modelled for you or 2) Upload your own solar yield data.

We source irradiance data from Solcast for the relevant lat/long and then put it through PVLib from the National Renewable Energy Laboratory (NREL) in order to calculate the system yield based on the irradiance and the solar parameters you configure in the site model, so panel size, orientation, tilt etc.

Tag: irradiance

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