Who uses what, all day. Hover tool chips for why-it’s-standard / why-it’s-rising. Clicks open vendor site.
The solver layer — PSS/E (Siemens), TARA (PowerGEM), PSLF (GE Vernova), PowerFactory (DIgSILENT), PSCAD (Manitoba Hydro) — still runs every US interconnection study, but it’s moving to cloud under pressure. The process and automation layer (GridUnity, SUGAR/Enverus, Nira) is where every new dollar and every procurement win is landing. Disruptors wrap the solver; they don’t replace it. The exception: MISO’s 2025 public benchmark showed Pearl Street SUGAR matching TARA at 68× the speed.
Every lane of work: who owns it, who's challenging, and why.
Siemens + GE Vernova + DIgSILENT are entrenched. Disruptors wrap these solvers; no one’s replacing them. Cloud transitions (PSS®E Cloud X, PlanOS) are the incumbents’ defense.
The one clearly falling incumbent. MISO’s 2025 benchmark: SUGAR 99%+ parity at 68× speed. ThinkLabs AI brings PINN architecture + Nvidia backing.
Regulatory monopoly. Inverter OEMs ship PSCAD-format models; SPP/CAISO/ERCOT/MISO mandate them. No challenger breaks this without a rule change.
CYME (Eaton) + Synergi (DNV) are GIS-native; OpenDSS is the tariff reference. envelio + Gridsight pitch data-fabric + AI twins that collapse the 3-tool stack.
PowerClerk: 80+ utilities, 2M+ projects processed. envelio partnered with PowerClerk (March 2025) — the two SaaS leaders stopped competing head-on.
No clear incumbent — ISOs were running Salesforce/in-house portals. GridUnity: SPP full life-cycle + $49.5M DOE GRIP. The clearest winner on the page.
Velocity Suite (Hitachi) dominates legacy market-intel. Paces + Nira are the fast-growing developer-facing siting platforms; GridAstra adds GETs awareness; Neara adds physical-infrastructure twin. The hyperscaler lane is still early.
Siemens + AspenTech/Emerson split the incumbent share. GridOS (GE Vernova, relaunched Feb 2026) is the only credible new entrant — unified ADMS+DERMS+planning on one fabric.
Survalent (700+ utilities) owns the muni/coop segment at a price-point Siemens + GE + Hitachi don’t compete for.
Fragmenting. ANM Strata (Mitsubishi) + GE GridOS DERMS anchor utility-side; EnergyHub (Alarm.com) owns residential; Voltus owns C&I. No unified winner yet.
Ampacimon oldest installed base. FERC Order 1920 forcing utilities to pick. LineVision (LiDAR, no-outage install) and Heimdall (helicopter-drop) differentiate on install constraints.
ACCC has 125,000+ miles installed, 65+ countries. TS Conductor pitches drop-in ACSR replacement at 2–3× capacity with better sag-at-temperature; BEV + Gates + NEA backed.
No single winner. Gridmatic #1 ERCOT rankings + 1 GWh crossed. Fluence Mosaic has hardware-tuning moat on its own fleet. Consolidation likely — all chasing ~1–2 GW/yr of new projects.
Regulated plumbing. PCI optimizes >50% of NA generation. OATI is the FERC-mandated OASIS standard (1,400+ customers). Yes Energy unifies data + production-cost + siting.
Copperleaf (now IFS) encodes PAS 55 / ISO 55000 math regulators accept. Hitachi Lumada APM pushes on the same seats but hasn’t dislodged Copperleaf at scale.
Aurora + HelioScope (same parent after 2021) consolidated the US C&I + utility design market. 7,000+ orgs. OpenSolar disrupts residential on free-tier pricing.
23 personas across 5 org types. Hover any tool chip for WHY.
82 tools grouped by market share vs growth rate. Hover chips for WHY.
15 events with cited quotes.
Estimated planning-engineer hours per stage (LBNL, MISO, NERC).
Tools owning each interconnection-study stage.
Every software category a utility / developer / hyperscaler runs. Hardware + physical-layer vendors at the bottom.
Gaps incumbents handle badly and SaaS hasn't closed.
Forces moving the market 2024–26.
The physical vendors that sit under the software stack \u2014 cold plates, conductors, sensors, transceivers, cables, foundries, EPCs.
src/lib/data/research-tools.ts.