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Grid Twin Sandbox Synthetic Data · Simulation

Poke the grid. This is a living digital twin of a synthetic service territory. Pick a move on the right, then click anywhere on the map: drop a 200 MW data center and get the interconnection answer in seconds, drop a solar farm and watch the feeder flip to reverse flow, or fail a substation and watch the twin re-route power through the tie switches before a truck would have left the yard. Every answer would take the traditional process weeks to months. In a pilot, this twin is built from your network model, and your engineers validate every answer against your engines of record.

GRID TWIN: READY
SYNTHETIC DATA
👆 Pick a move on the right, then click anywhere on the map
Substation 138 kV N.O. tie Feeder OK Stressed Violation / outage New load DER / reverse flow
Your Move: What-If the Grid
🏗
Drop a Load
Data center, EV depot, get the interconnection answer
☀️
Drop a DER
Solar or storage, hosting capacity + reverse flow
Break Something
Click a substation: N-1 and watch the twin re-route
Twin Answers
The Validated Use Cases Behind This Twin
UC 6.2
Hosting Capacity Digital Twin
A continuously updated model of what every feeder can host, queried in seconds, not studied for months.
UC 12.1
Data Center Interconnection Modeler
Hosting, upgrade cost, and time-to-power for large-load requests; the Load Wave demo runs this at portfolio scale.
UC 5.x
Planning & Scenarios
Load growth, non-wires alternatives, and network-model health, the twin's planning muscles.
187 UCs
One Framework
The sandbox shows one twin; the framework builds them from your data across every domain.
Inside the Demo
What you are watching, and what it proves

The Grid Twin Sandbox is not a timed storyline. It is a digital twin, a working computer model of a real power grid used to test decisions safely before making them, built here for a synthetic Gulf-coast territory. You poke it yourself. The map holds 8 substations, the fenced equipment yards that step high-voltage power down for local delivery (NORTHGATE, CEDAR PARK, LAKELINE, MIDTOWN, RIVERSIDE, EASTPORT, SOUTH YARD, BAYSHORE, with transformer capacities from 260 to 380 MVA, a standard measure of how much power each can carry). It holds 28 feeders, the local lines that carry power from a substation out to homes and businesses, plus a 138 kilovolt high-voltage transmission loop and a set of tie switches: switches that normally sit open but can connect neighboring circuits to reroute power. Every substation wears a live headroom tag, its spare capacity in megawatts, computed honestly: the equipment's rated limit minus its actual measured peak load, not the stale figure in the planning book, updated as you add load. You are the decision-maker. Pick one of three moves on the right, click the map, and the twin computes for about 1.25 seconds before answering. Nothing is executed on any real grid; every answer is a first screening that the utility's engineers would confirm in their official study tools.

Drop a Load lets you place a big new customer on the map: a 50 megawatt electric-vehicle fleet depot, a 200 megawatt data center, or a 450 megawatt AI computing campus. (One megawatt powers roughly 750 homes; 450 megawatts is a small city.) The twin returns one of four verdicts. Serviceable: the substation can host it with room to spare, priced with the miles of new dedicated line and an estimate of when power flows, and the twin notes the answer took 4.2 seconds against the 9 to 14 months the formal study queue would take. Serviceable with conditions: the equipment can carry the load, but voltage would sag 3 to 6% at peak, enough to dim the neighborhood, so the twin prices voltage-support equipment plus heavier wires, and suggests flexible terms for the last 15% of the load. Portfolio answer: no single substation can serve the request, so the twin splits it across two grid connection points with a paired dedicated line, and shows how. Needs major upgrade: the honest no. The site needs a new large transformer with a 24-month manufacturing wait, so the twin offers to bring the load online in stages, which keeps the deal alive.

Drop a DER places customer-owned energy equipment: 5 MW of community solar, a 20 MW solar farm, or a 10 MW battery that stores 40 megawatt-hours. The twin computes the hosting margin at your exact click point, meaning how much new solar or storage that local line can accept before it needs upgrades. It runs the standard national screen for connecting such equipment (the IEEE 1547-2018 test) and reports which way power flows at noon, when solar output peaks. If the request is over the limit, the twin ranks three engineered fixes: an inverter setting that helps hold voltage steady, a battery placed alongside and sized to close the gap, or a limit on power exports from 11:00 to 14:00. Batteries always pass, valued at roughly $14K per MW per year, because the utility can call on them whenever it needs them. Break Something knocks out a substation transformer where you click. Feeders flash red, and the answer card counts customers in the dark and megawatts interrupted. Then the twin closes tie switches one by one, rerouting power from healthy neighboring circuits within safe equipment limits, and reports the share of customers whose lights come back through remote switching within minutes. It also names who still needs a repair crew on site (estimated 6 to 9 hours) and the exposure if a second failure hits while the grid runs rerouted. If no neighboring circuit has spare capacity, the twin says so and flags that substation as a candidate for resilience investment. There is no scripted ending: Reset Grid heals everything, and Attract mode makes the twin poke itself every 9 seconds for booth screens.

Without GridCORTEX

Every question you just clicked is, conventionally, a paid engineering study: weeks to months each, and 9 to 14 months for a large new customer's connection request. The process fails because it looks at one thing at a time. The published capacity map shows one stale number per line. The study process considers one connection point at a time, so a 450 MW request gets a flat no instead of a two-substation split. The voltage problem surfaces at month 11 of the study, after the customer has planned around a yes. The over-limit solar application gets a rejection letter after 60 business days with no alternative offered. And the proof that the grid survives losing any one major component lives on paper in an annual planning deck, never demonstrated to the executive who has to fund the fix.

With GridCORTEX

The software trains an AI model to reproduce the answers of full physics-based grid studies, then answers in seconds at study quality. It is built from the utility's own network map, its smart-meter usage history, and its control-room operating records. Connection screenings come back in 4.2 seconds with the construction cost, the time until power flows, and the fix already priced. Capacity answers are computed for your size, at your exact spot, against today's actual loading, with three ranked ways to get to yes. Failure drills become a live conversation, with the rerouting plan performed in front of the audience. People stay in charge by design: the twin never touches the real grid's controls, and every commitment is confirmed afterwards by the utility's official engineering tools and engineers of record.

The KPIs, side by side
KPIWithout GridCORTEXWith GridCORTEXDelta
Large-load interconnection screenthe check that decides whether a big new customer can plug into the grid, and at what cost9 to 14 months in the study queue4.2 seconds, confirmed by engineers afterwardsthe customer is still in the room
Finding the voltage problemdiscovering that a new load would drag the neighborhood's voltage down at peak hoursdiscovered at month 11 of the studyfound and priced with its fix, in secondsfix known up front
An ask no single bank can servea request too big for any one substation transformer to carry alonethe one-at-a-time process says noa split across 2 connection points, with the howa workable yes instead of a no
Transformer-scale bad newswhen the honest answer is a new large transformer with a 24-month manufacturing waitbad news in 14 monthsbad news in 5 seconds, with a phased offerthe deal survives
DER hosting answerhow much customer solar or battery capacity a local line can accept at a given spotone stale published number per lineyour size, your point, today's loading, plus the fixthe limit and the remedy
Over-limit solar applicationa solar request bigger than the local line can accept without changesrejection letter after 60 business daysthree engineered ways to yes, in secondsways to yes, ranked
N-1 contingency proofproof the grid keeps serving customers after losing any one major componentproven on paper in the annual planning deckperformed live: switches closed, customers restored in minutesshown to the person who funds the fix
The unswitchable outagea failure no neighboring circuit can pick up, leaving customers waiting on a repair crew8 to 12 hour crew restoration, learned the hard wayflagged now: one new tie switch changes this answer permanentlythe investment case, pre-written
Live KPIs on the dashboard
Substation headroom tagsEach of the 8 substations shows its live spare capacity in megawatts: its rated limit, minus measured peak load, minus whatever you have already placed. A high number means room for new customers; near zero means upgrades come before growth.
Load answer tilesEach new-load verdict shows the serving substation's spare capacity, the construction cost to connect, the months until power flows, and whether voltage and equipment limits pass. A clean pass is a fast yes; a conditional pass comes with a priced fix.
DER answer tilesEach solar or battery verdict shows how much the local line can accept at your click point, the result of the standard connection screen, which way power flows at noon, and any upgrades required. Passing clean means fast approval; over the limit comes with three ranked fixes.
Contingency tilesA simulated failure reports lines out, customers in the dark, and megawatts interrupted. The verdict then tallies the percent of customers restored by remote switching, the minutes that took, the switches closed, and who still waits for a crew. A high switched-restoration share is the win; a low one flags where to invest.

The Business Case: Safety, Hours, and Cost

A utility does not buy a demo. It buys a safety exposure that goes away and a cost that goes down. Below is that case for every use case behind Grid Twin Sandbox, written the way a plant manager, a safety lead, and a CFO each need to read it. Every hour and every dollar is a formula you run with your own rates and volumes. There are no vendor benchmarks in here and no invented percentages. If a number is not yours, it is not a number.
UC 12.3 Co-Location and Site Feasibility Twin

What happens today, without this

When a developer asks about co-locating a data center with one of your plants, a corporate development director assembles the answer by convening transmission planning, plant engineering, regulatory, and legal over several weeks. Each group returns a piece in its own format and someone stitches them into a report. If the developer changes the megawatts or the phasing, the whole round starts again. The developer's own decision window is usually shorter than your assembly time, which is how a site gets ruled out for reasons that have nothing to do with the site.

What it replaces or shrinks

  • The multi week round of meetings that assembles one feasibility answer out of four departments
  • Hand built grid topology and interconnection headroom checks for each candidate site
  • The regulatory filing checklist someone rebuilds from scratch for every deal
  • Redoing the whole analysis when the developer changes size, site, or phasing
  • The formatting and stitching of a bankable report from four departments' separate documents
  • The late diligence discovery that a site was never viable, which shrinks because the screen happens first

Why it is safer

A feasibility report has no direct safety benefit. The honest indirect mechanism is specific to co-location: a deal agreed before the plant side topology is understood produces late scope changes at an operating plant, and late scope at a running plant means work forced into an outage window that was already fully booked.

Counted in units you already track:

  • Hot work permits issued inside a compressed plant outage window
  • Permits to work issued for scope added late at an operating plant
  • Switching operations added late to an already scheduled plant outage
  • Elevated work hours added by rework when the interconnection scope changes after design

Man-hours it gives back

Hours come back to four departments at once, and the corporate development director stops being a document assembler.

HOURS AVOIDED PER YEAR = co-location inquiries per year x departments involved per inquiry x hours each department spends per inquiry, plus report assembly hours per inquiry, plus re-analyses per inquiry when the developer changes the ask x hours per re-analysis, minus the review time your commercial, legal, and engineering leads still spend approving the draft before it is released.

The numbers we need from you to run that formula:

  • Co-location inquiries per year and how many reach a full feasibility report
  • Hours per inquiry from transmission planning, plant engineering, regulatory, and commercial staff
  • Re-analyses per inquiry caused by developer changes, and hours per re-analysis
  • Loaded hourly rates for each of those four groups, plus outside advisor rates
  • Your own expected annual revenue from a signed co-location deal at a representative site

Where the dollars come from

Cost driverHow it is calculated, from a rate you supply
Cross department staff timedepartment hours avoided x your loaded rates for planning, plant engineering, regulatory, and commercial staff
Outside advisor feesconsultant and outside counsel hours avoided on feasibility scoping x your contracted rates
Deal captureyour own expected annual revenue from the deal x the probability you assign to your report arriving inside the developer's decision window being the reason you win it, a probability you set, not us
Bad sites screened earlyyour own average spend on a co-location deal that dies in late diligence x the number of such deals per year an early screen would have stopped, a count your team judges
Reinforcement right sizingthe difference between the reinforcement scope a coarse screen assumes and the scope the detailed model supports, at your own unit costs

Reliability and maintenance

Reliability
This touches the host plant's obligations more than customer reliability. Modeling behind the fence load against the plant's availability and its interconnection limits tells you whether the plant can serve the campus without derating the market or contractual obligations it already carries, which is the question that gets skipped in a hurried deal.
Maintenance
Because the model identifies transformer, bay, and protection additions early, long lead equipment is ordered against a real date and the work is planned into an existing plant outage rather than forced into a new one. It also gives the plant a clear picture of what the co-located load does to its run regime.

What else it moves

ComplianceThe state and federal filings a given structure triggers are identified at screening rather than discovered in diligence, which is usually what moves an in service date.
CustomerA developer gets a bankable answer inside their decision window, which is the only currency in this market right now.
WorkforceFour departments stop rebuilding the same analysis for every inquiry, which is the work they most resent.

What it costs you, stated honestly

You pay for the feasibility service, for the work to load your plant models, network model, and interconnection data into it, and for commercial, legal, and engineering review time on every draft, because nothing goes to a developer without your people signing it. The internal review discipline is the cost that people forget to budget.

How to build the payback case

Payback is carried by staff and advisor hours across four departments, which you can audit. Deal capture is the number that dwarfs everything else and the one you should present as upside, because you cannot prove the counterfactual.

This is a planning model built from your inquiry volume, your loaded rates, and your own revenue expectations, not a vendor claim. Re-run it once you have taken two or three inquiries through the new process end to end.
UC 12.1 Data Center Interconnection Modeler

What happens today, without this

When a hyperscaler or a large industrial asks to interconnect, a transmission planning study lead builds power flow cases by hand, one configuration at a time, and runs contingency sets on a workstation over nights and weekends. Each change the customer makes to size, site, or phasing sends the study back to the start. The screening study sits behind cluster study work in the same engineers' queue, so the answer takes months, and in the meantime the customer's development team is talking to another utility that may answer sooner.

What it replaces or shrinks

  • Hand building of power flow cases for each proposed site and configuration
  • Serial contingency runs on a planning engineer's workstation over nights and weekends
  • Rebuilding the entire study when the customer changes megawatts, site, or in service date
  • Manual assembly of the required upgrade list and cost estimate from raw case output
  • The first draft write up of the screening study memo, which shrinks to an edit rather than a blank page
  • The recurring status call where the customer asks where their study is

Why it is safer

There is no direct field safety benefit from a faster study, and we will not dress one up. The honest indirect mechanism is schedule compression: when a study takes months, the construction and energization window gets squeezed to hold a date the customer already announced, and squeezed windows are where overtime, short notice switching, and rushed field work come from. Returning the answer earlier gives the schedule its slack back.

Counted in units you already track:

  • Elevated work hours on structures and substation steel, worked on a compressed schedule to hold an energization date set before the study finished
  • Switching operations performed on compressed notice during energization
  • Night driving hours for crews on accelerated construction schedules
  • Permits to work issued under expedited scheduling rather than under normal planning

Man-hours it gives back

Senior planning engineer hours come back to the study queue, and the engineer's day shifts from case setup to judgment on results.

HOURS AVOIDED PER YEAR = large load study requests per year x configurations studied per request x engineer hours per configuration to build, run, and write up, plus re-studies per year triggered by a customer change x hours per re-study, plus customer status calls per study x hours per call, minus the engineer time still spent reviewing, stamping, and releasing each study under your normal process.

The numbers we need from you to run that formula:

  • Large load study requests per year and configurations typically studied per request
  • Engineer hours per configuration today, split between case build, run time, and write up
  • Re-studies per year caused by customer changes to size, site, or date
  • Loaded hourly rate for a planning engineer, and your contracted rate for outside study support
  • Current queue backlog in weeks and the number of engineers qualified to run these studies

Where the dollars come from

Cost driverHow it is calculated, from a rate you supply
Planning engineering laborengineer hours avoided x your loaded planning engineer rate
Outside study supportconsultant study hours avoided x your contracted consultant rate
Load you win on speedthe proposed load in megawatts x your own expected annual revenue per megawatt of served large load x the probability you assign to winning a deal you would otherwise lose on time to answer, a probability you set, not us
Right sized upgradesyour own estimated cost of the upgrade set a coarse screen would have assigned, minus the upgrade set the detailed study supports, on the cases where the two differ
Queue carrying coststudy weeks removed x your own cost per week of carrying an open request, including customer facing staff time and account management

Reliability and maintenance

Reliability
Running a far wider contingency set means the configuration you sign up to holds under more conditions, so the new load is less likely to be the reason a thermal or voltage limit is exceeded in 2028. It does not change this year's SAIDI, and anyone who tells you it does is selling.
Maintenance
An earlier, firmer upgrade list lets the wires plan absorb the work as planned construction rather than as emergent work squeezed into an outage season. It also starts the clock earlier on long lead equipment such as transformers and breakers, which is often the real constraint on the energization date.

What else it moves

ComplianceA complete, dated, reproducible study record for every request, which is what your tariff and open access study obligations expect you to be able to show.
CustomerThe developer gets a real date and a real configuration instead of a place in a queue, which is the single thing they are shopping on.
WorkforceYour most senior planners stop spending their days on case setup, which matters when only a handful of people in the company can run these studies.

What it costs you, stated honestly

You pay for the modeling service and its compute, for the work of getting your planning network model and case library into it and keeping them current, and for planning engineer time to validate the accelerated results against studies you have already run by hand. That validation set is not optional and it is where your engineers will spend real hours in the first quarter.

How to build the payback case

Payback is normally carried by engineering labor and outside study fees, which you can audit from timesheets and invoices. The deal you win on speed is the larger number, and it is the one your CFO will discount hardest, so present it as upside rather than as the base case.

This is a planning model built from your request volume, your engineer rates, and your own revenue per megawatt, not a vendor claim. Re-run it after the first quarter of validated studies before you scale the program.
UC 6.2 Hosting Capacity Digital Twin

What happens today, without this

A distribution planner runs hosting capacity by batch. Someone exports the network model out of GIS, the geographic information system, into the planning tool, cleans up the connectivity errors by hand, runs a sweep feeder by feeder, eyeballs the results, and publishes a map that is already aging by the time it clears review. Between refreshes, every developer question is answered by an engineer opening the planning tool and running a one off screening study for that one node. Interconnection staff spend part of every week telling developers that the published map is indicative only and that a real answer requires a study.

What it replaces or shrinks

  • The batch hosting capacity sweep run on a calendar cycle rather than when the system changes
  • Manual export and cleanup of the network model into the planning tool before each sweep
  • The one off screening study an engineer runs for each individual developer inquiry
  • Hand editing of the published hosting capacity layer and the public facing map
  • The email and phone traffic asking whether a published value is still current
  • Shrinks the planner review to the nodes where capacity actually moved since the last publication

Why it is safer

The safety effect here is indirect and we will say so plainly. Nobody climbs anything because of a hosting capacity map. The real mechanism is that accurate capacity values keep DER, distributed energy resources, from being approved onto feeders that then need reactive voltage work, emergency reconfiguration, and field verification trips to sort out.

Counted in units you already track:

  • Road miles driven for field verification visits tied to one off capacity questions
  • Switching operations performed to reconfigure a feeder that took on more DER than it could hold
  • Energized area entries for voltage regulation equipment added reactively after an over subscribed interconnection

Man-hours it gives back

Planning engineering hours come back to the distribution planning group and to interconnection staff, who stop running the same screening study over and over.

HOURS AVOIDED PER YEAR = feeders in the program x engineering hours per feeder per sweep x sweeps per year, plus developer inquiries per year x engineering hours per one off screening study, plus map publication hours per refresh x refreshes per year, minus the review hours a planner still spends validating nodes flagged as materially changed.

The numbers we need from you to run that formula:

  • Feeder count in the hosting capacity program and how often the map is republished today
  • Engineering hours per feeder for one hosting capacity sweep, including model cleanup
  • Developer and interconnection inquiries per year and the engineering hours each one consumes
  • Hours spent per refresh preparing and publishing the GIS layer and public map
  • Loaded hourly rate for a distribution planning engineer and for an interconnection analyst

Where the dollars come from

Cost driverHow it is calculated, from a rate you supply
Planning engineering laborengineering hours avoided x your loaded planning engineer rate
Outside study supportfeeder studies you currently contract out x your consultant fee per feeder study
Interconnection screening laborscreening studies avoided x your loaded interconnection analyst rate
Deferred reinforcementyour own cost per feeder upgrade x the upgrades you decide are deferrable once you can see real headroom, a judgment you make, not us
Queue carrying costyour internal cost of holding a project in queue per month x months of queue time removed

Reliability and maintenance

Reliability
This does not move SAIDI, the system average interruption duration index, on its own. It moves risk. Approving DER against a stale capacity value is how a feeder ends up with steady state overvoltage, reverse power flow through protection that was never coordinated for it, and a voltage complaint file that nobody can explain.
Maintenance
The refresh runs against the same model your planners use, so the gaps between GIS and the planning model surface continuously instead of being discovered during the annual study crunch. Model hygiene stops being a once a year fire drill.

What else it moves

ComplianceA timestamped record of what capacity value was published, when, and against which topology, which is what a regulator or a disputing developer asks for.
CustomerDevelopers and large customers get a capacity answer in the time it takes to run a query rather than waiting for the next study slot.
WorkforceSenior planners stop running repetitive sweeps and spend their time on the interconnection cases that actually need judgment.

What it costs you, stated honestly

You pay for the scoped engagement that builds and runs this, for the integration into your GIS and your DER enrollment records, and for your own planners to validate the twin against a sample of feeders they have already studied by hand. The honest large item is network model data quality. If your connectivity and transformer data are rough, the cleanup is real work and it is work you would have had to do anyway.

How to build the payback case

Payback is dominated by planning engineering hours and contracted study fees, because those are the two you can audit line by line. Treat deferred reinforcement as upside, not as the base case.

This is a planning model driven by your feeder counts, your study hours, and your rates. It is not a vendor claim. Re run it with your actuals after the first two refresh cycles before you size the program.
Each of these opens in full on the use case page, alongside the integration plan, the data ask, the path to production, and the operator console. Open the use case library.
For Your Architects and Data Owners
Run this at your utility

What is this, exactly? It is AI software: intelligent agents and models built and delivered by SoftServe, running on NVIDIA accelerated computing. It is not a hardware appliance and it does not replace the systems you run today. It deploys in your own cloud or on your premises, connects read-only to your existing systems, and recommends; your people approve every action, starting in shadow mode until it earns trust.

A live hosting capacity service for distribution planners and interconnection staff: a map and per-node capacity values that refresh whenever the network model or DER fleet changes. The demo above uses synthetic data; everything below describes what the real deployment needs from your organization.

Systems it connects to

Your systemTypical productsHow we connect
Geographic Information System (GIS)Esri ArcGIS Utility Network, GE Smallworldscheduled file export (CSV or CIM XML)
Advanced Distribution Management System (ADMS/DMS)Schneider EcoStruxure ADMS, GE Vernova PowerOn, Oracle NMSread-only API
Planning and study toolsCYME, Synergi, WindMilscheduled file export (CSV or CIM XML)
Metering (AMI head-end and meter data management)Itron, Landis+Gyr, Oracle meter data systemsdatabase replica refreshed nightly
Market and grid operator interfacesPJM, MISO, ERCOT queues; OASISread-only API
Document and knowledge storesregulatory filings, land records, permitsdocument upload
DER management (DERMS) and DER program platformsSchneider, GE Vernova, EnergyHub, Uplightread-only API

Data it needs from you

How it runs on your systems

Runs in your own cloud account on GPU instances or on an on-premises NVIDIA server, with read-only connections through your existing data zone and no link to control systems. The pilot runs in shadow mode: the live map is compared against your published map before anyone outside planning sees it.

Path to production

Data access and model extract (Weeks 1-4)
Network model, DER records, and loading data are connected for one region; data access approvals are the usual schedule gate.
Shadow pilot (Weeks 5-12)
The live twin runs for the pilot region and its map is compared daily against the last published static map, with discrepancies logged.
Evaluation (Weeks 13-15)
Planning reviews the quantified discrepancies and makes the go or no-go call.
Production hardening (Months 4-6)
Security review, monitoring, user training, and publishing through your existing developer portal.
Production and scaling (Months 6-9)
Planners and DER developers use the live map daily for interconnection screening as more regions are added.

What we need from your team

Full integration, data, and timeline detail for each use case in this scenario: UC 6.2 · UC 12.3 · UC 5.4 · UC 12.1
For Your Operators and Dispatchers
Where you will see it and how you say yes

The Approve button you just clicked in the demo above is the real workflow. This is what it looks like on the screen of the distribution planner who owns the public hosting capacity map in the GridCORTEX console:

GridCORTEX ConsoleSigned in: the distribution planner who owns the public hosting capacity map
Notifications
North region: live model differs from published map on 14 of 62 feeders; feeder N-214 dropped from 3.2 MW to 1.4 MW
Daily model refresh complete; all connected feeds healthy
Recommendation
Publish refreshed hosting capacity values for 14 North region feeders
  • Feeder N-214 fell to 1.4 MW after a 900 kW solar addition
  • The published static map is 7 months old
  • Developers have 6 pending inquiries on affected feeders
✓ Publish updated valuesModifyDecline
After you approve: The refreshed per-node values update the public map and the GIS hosting capacity layer, and an audit entry records who approved it and why.
Computed from data as of 17:42:10 local; every card shows the timestamp of the data behind it.

What happens when you hit approve

Approve writes the refreshed per-node values to the GIS hosting capacity layer through the GIS API and refreshes the public map. Nothing in the network model or ADMS is touched; this is an advisory data update, and your planners still control the model of record.

How you tell it what it cannot see

The trigger is automatic: topology changes and DER additions arrive from the GIS, ADMS, and interconnection feeds, so the planner never enters anything.

Live data, not stale data

Reads the network model from GIS and ADMS and the DER fleet continuously, AMI data daily; each card shows the as-of timestamp of the model it was computed from.

Where it lives day to day

Lives as a GIS map layer and a GridCORTEX console page; email push when any feeder shifts more than 20 percent. The console runs in a browser beside your existing screens on day one; embedding into your own systems is a roadmap step once the read-only phase has earned trust. Approve, Modify, and Decline are all captured in an audit trail your compliance team can pull, and GridCORTEX never blocks or overrides anything in the systems you run today.

The Gap: Why Your Existing Systems Don't Already Do This

The fair question: "We have PSS®E/CYME, a published hosting-capacity map, and an ADMS, isn't this that?" Here's the honest answer.

What you own keeps doing its job

  • Power-flow tools (PSS®E, CYME, Synergi), the engines of record. Every commitment the twin suggests still gets validated there. Nothing changes.
  • Published hosting-capacity maps, regulatory transparency artifacts; they keep being published.
  • ADMS / SCADA, real-time operations of the actual grid. The twin never touches control.
  • Planning studies and the interconnection queue, the formal process continues; the twin feeds it better-screened cases.

The gap the twin fills, above them, not instead of them

  • Studies are projects; the twin is a query. Every what-if you just clicked would be a scoped engineering study, weeks to months each. The twin answers in seconds because the physics is pre-computed as a living surrogate model, then validated once a real commitment is on the table.
  • Hosting maps are static snapshots. Published maps age from the day they post and show one number per feeder. The twin computes YOUR specific size, at YOUR specific point, against current loading, and tells you the fix, not just the limit.
  • The ADMS operates the grid that exists. It cannot tell you what happens if you add 200 MW that doesn't exist yet, or lose a bank you haven't lost. What-if is not its job, it's the twin's whole job.
  • N-1 lives in annual planning decks. The twin makes contingency analysis a conversation: click the failure, watch the restoration path, read the customer impact, in front of the executive who has to fund the fix.
Accent, don't replace: the twin is built FROM your network model, GIS, AMI, and SCADA history · answers what-ifs above them in seconds · and hands validated cases back to your power-flow tools and your queue process. Your planners stop grinding studies and start answering executives in real time.
Under the Hood: What the Twin Computes on Every Click

When someone asks "what did it actually calculate?", this is the list. In this sandbox the factors drive a simplified surrogate; in a pilot they are computed from your network model, GIS, AMI, and historian data, accelerated on NVIDIA infrastructure.

🏗 Drop a Load, interconnection screening

  • Nearest points of interconnection, electrical distance, and the serving substation's true headroom (nameplate minus measured peak loading, not planning-book values)
  • Voltage and thermal screening at the requested MW, which element violates first, and at what loading
  • Upgrade options priced and sequenced: line extension, capacitor support, reconductoring, new transformer bank with real lead times
  • Portfolio logic: when one substation can't serve it, whether splitting across two can, the Load Wave answer at sandbox scale
  • Time-to-power vs. the study-queue equivalent for the same answer

☀️ Drop a DER, hosting capacity

  • Feeder hosting margin at the clicked location, existing DER penetration, daytime minimum load, and voltage rise sensitivity
  • Reverse-flow onset: at what output the feeder backfeeds the substation, and what that does to protection assumptions
  • Mitigation options ranked: smart-inverter volt-var profiles, export limiting windows, or co-located storage, and what each recovers
  • Interconnection screen result under IEEE 1547-2018 assumptions

⚡ Break Something, contingency & restoration

  • N-1 impact: customers interrupted, load lost, and which feeders are affected the moment the element fails
  • Restoration switching plan: which normally-open ties can back-feed which feeders, in what order, within equipment ratings
  • Customers restorable by remote switching in minutes vs. those needing crews; the tie network on this map is the restoration path
  • Residual risk: what a second contingency (N-1-1) would strand while the grid is in its reconfigured state

🧠 The Twin Itself

  • A physics surrogate (PhysicsNeMo-class) trained against full power-flow runs, answers in milliseconds at simulation fidelity, re-validated continuously against the engines of record
  • Built from the utility's own CIM/GIS network model, AMI-derived loading shapes, and SCADA/historian actuals, a twin of YOUR grid, not a generic one
  • Every sandbox answer carries its assumptions, so the follow-up engineering study starts from the twin's work, not from scratch
  • Same twin, more questions: storm damage (Storm Mode), DER orchestration (DER Surge), and portfolio interconnection (Load Wave) all query this model

Presenter's one-liner: "Everything you just clicked would have been a months-long engineering study. The twin pre-computes the physics of the whole territory so those questions become queries, and when you're ready to commit, your own engineers validate the answer in the tools you already trust. That's what a digital twin is for."

GridCORTEX Live (Grid Twin Sandbox · Synthetic data throughout) no utility's actual system is depicted · Sandbox physics are illustrative surrogates; pilot twins are built from your network model · GridCORTEX connects read-only to the systems you already run · SoftServe + NVIDIA · Created by Ronnie Mauldin, NVIDIA Solutions Director, Power & Utilities, SoftServe · JUL 2026