Amperesand

Company

Amperesand is a company involved in the development and discussion of solid-state transformer technology.

Sector: power-electronics
HQ: US
Stories: 27 on MGRID.org

Vendor profile

What they do

Amperesand is a solid-state transformer startup developing commercial SST products for utility and data-center power applications.

Solid-State TransformerMedium-Voltage Power Conversion

What they’re looking for

Utilities, data center operators, and grid innovators for solid-state transformer pilot deployments

What they buy

Wide-bandgap semiconductors, high-frequency magnetics, and power module packaging

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Stories about Amperesand (27)

Solid-State Transformers and HVDC Voltage Source Converters Are

April 25, 2026 · Power Electronics

4 sources HVDC VSC: hundreds of kilovolts DC, gigawatt-scale, substation-size, 30-50 year service life. SST: 4-35 kV MV, kW to tens-of-MW, distribution-cabinet-size, 15-30 year service life
Wolfspeed’s 200mm SiC Wafer Capacity Is the Biggest 2026 Bottleneck for Solid-State Transformers

April 22, 2026 · Analysis

4 sources Wolfspeed Mohawk Valley fab (Marcy NY) opened April 2022, world's first 200mm-only SiC device fab. Mohawk Valley capacity ~20% utilization mid-2024, target 25% YE 2024, full utilization 2026
How a Solid-State Transformer Gets Certified: UL 1741

April 18, 2026 · Power Electronics

4 sources UL 1741 (+ Supplement SA/SB): dominant US safety standard for SST products in renewables and ESS. Certification timeline: 6-18 months per product variant, mid-6-figure cost; each variant requires…
NSF FREEDM Center Hits 17-Year Mark As Generation-IV Engineering Research Center Competition Begins

April 5, 2026 · Power Electronics

4 sources NSF FREEDM Center entered 17th operational year in 2025 (founded 2008 as Gen-III ERC). Y10 SST core program (Bhattacharya) delivered 3-phase compact SSTs at 7.2 kVAC / 400…
KEPCO Operates the World’s Largest DC Distribution Network Demonstration on Seogeochado Island With 1500 VDC Architecture

March 19, 2026 · Power Electronics

4 sources Seogeochado DC island: world's largest DC distribution network demonstration, KEPCO Research Institute. 1500 VDC backbone replaces 22.9 kVAC distribution + step-down chain — aligns with utility-scale solar PV…
Solid-State Transformer Telemetry and IoT Integration: The Operational Data Layer That Iron-Core Transformers Never Had

March 10, 2026 · Power Electronics

4 sources SST telemetry: voltage/current at kHz rates, temperature at Hz rates, fault events, control-loop metrics. Single 5 MW MV-SST data rate: ~100 kbps sustained, 1 Mbps burst during transients
Sungrow Power Supply Prepares a Solid-State Transformer Entry for AI Data Center Markets

March 4, 2026 · Power Electronics

4 sources Sungrow preparing dedicated SST for AI data center market — shrunk footprint + boosted efficiency vs conventional MV-LV. Sungrow engineering heritage in utility-scale solar inverters + BESS interconnect;…
The Solid-State Transformer Industry Faces a Trained-Engineer Shortage That Will Bottleneck 2026-2028 Production Ramp

February 28, 2026 · Analysis

4 sources Global combined US + European power-electronics PhD graduation: ~100-200/year — materially less than SST industry demand. Mid-career SST power-electronics engineer 2025 compensation: $250K-$450K, up ~40% from 2022
Enphase Energy Enters the Solid-State Transformer Race With a GaN Bidirectional Switch-Based Distributed Power Platform

February 26, 2026 · News

3 sources Enphase IQ SST launched early 2026, uses GaN bidirectional switch (BDS) devices vs SiC industry standard. GaN advantages: higher switching frequency, smaller passives, denser packaging
Solid-State Transformers Are the Natural Power-Conversion Architecture for Mining Haul Truck Electrification: Cat DET and Komatsu WX04B Set the Pace

February 18, 2026 · Power Electronics

4 sources Caterpillar Dynamic Energy Transfer (DET) for battery-electric haul trucks, integrates with Cat MineStar Command. Komatsu WX04B battery-electric LHD with Komatsu charging solution

Stories about Amperesand (27)

Solid-State Transformers and HVDC Voltage Source Converters Are

Wolfspeed’s 200mm SiC Wafer Capacity Is the Biggest 2026 Bottleneck for Solid-State Transformers

How a Solid-State Transformer Gets Certified: UL 1741

NSF FREEDM Center Hits 17-Year Mark As Generation-IV Engineering Research Center Competition Begins

KEPCO Operates the World’s Largest DC Distribution Network Demonstration on Seogeochado Island With 1500 VDC Architecture

Solid-State Transformer Telemetry and IoT Integration: The Operational Data Layer That Iron-Core Transformers Never Had

Sungrow Power Supply Prepares a Solid-State Transformer Entry for AI Data Center Markets

The Solid-State Transformer Industry Faces a Trained-Engineer Shortage That Will Bottleneck 2026-2028 Production Ramp

Enphase Energy Enters the Solid-State Transformer Race With a GaN Bidirectional Switch-Based Distributed Power Platform

Solid-State Transformers Are the Natural Power-Conversion Architecture for Mining Haul Truck Electrification: Cat DET and Komatsu WX04B Set the Pace