EV Charging & Power Distribution Blog

Technical deep dives and engineering guides on EV charging infrastructure, power distribution systems, transformer sizing, switchgear selection, and battery energy storage. Expert insights from GOHO Electric’s engineering team to help you design, build, and operate reliable power solutions.

Charging Station System Diagram — grid to transformer to charging pile schematic. GOHO Electric reference for EV charging and power distribution projects.

Test No BOM

Table of Contents Why Transformer Sizing Is the #1 Design Decision The Global EV Charging Build-Out Driving Demand Key Parameters You Must Know Before Sizing Transformer Sizing Formula for EV Charging Stations Step-by-Step Calculation Example: 4×150 kW DC Fast Charging Hub Dry-Type vs Oil-Immersed: Which Is Right for EV Charging? Harmonic Loading and K-Factor Considerations

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Smart Grid Technology 2026: How Digital Transformation Is Reshaping Power Distribution

The smart grid market is projected to reach $155.16 billion by 2035, growing at 15.6% CAGR from 2026. This is not incremental growth — it represents the digitization of the entire power delivery system. For electrical engineers and specifiers, this transformation affects equipment specifications, vendor selection, and career trajectories within the next decade. The Three-Layer

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BESS Specification Guide: How to Procure Energy Storage That Lasts Beyond 2030

Specifying a battery energy storage system (BESS) that will operate for 15-20 years requires forward-thinking procurement. The market is growing from $40.45 billion in 2026 to $161.12 billion by 2034 at 18.86% CAGR, but the pace of technology change is even faster than the market growth. This guide translates current industry data into practical specification

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China Energy Storage Battery Supply Chain: What 90% Global Market Share Means for Procurement

The global battery energy storage market is projected to grow from $32.62 billion in 2025 to $161.12 billion by 2034 at an 18.86% CAGR. But the headline number is not the most important statistic for procurement professionals. What matters more is that Chinese companies account for over 90% of global storage battery shipments — a

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Compact Substations 2026: Why Prefabricated Power Infrastructure Is the Future

Compact substations are reshaping how power infrastructure is delivered worldwide. The compact substation market alone is projected to grow from $4.2 billion in 2024 to $11.1 billion by 2032 at a 13.2% CAGR — nearly double the rate of the broader pad-mounted transformer market. Combined with the prefabricated substation market valued at $21.4 billion in

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Global Switchgear Market Trends 2026-2034: What Engineers and Buyers Must Know

The global switchgear market is undergoing a fundamental transformation. Valued at $141.1 billion in 2025 and projected to reach $263.8 billion by 2034 at a 7.2% CAGR, the growth is driven by renewable energy integration, grid modernization, and the rapid expansion of Asia-Pacific manufacturing capacity. For engineers and procurement professionals, understanding these trends is essential

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Solar Farm Power Collection and Grid Connection: Complete Solution Guide

Everyone talks about the solar panels and the inverters. Nobody talks about the electrical equipment that actually connects a solar farm to the grid — yet that is where a PV project either works reliably or spends its life chasing faults. The panels make the power; the substation, switchgear, and transformers decide whether it reaches

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Complete Industrial Power Distribution Solution: From Transformer to Distribution Box

Every factory has the same electrical skeleton underneath all the machinery: power comes in from the grid, gets stepped down, gets split up, and eventually reaches every motor, light, and socket. The companies that run into trouble are usually the ones who bought that skeleton piece by piece from different suppliers and then spent years

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How to Build a Commercial EV Charging Station: Complete Solution Guide

Putting a couple of chargers in a parking lot is a small project. Building a commercial charging station is something else entirely — it is a business, and the equipment choices you make in the first month will decide whether that business makes money or quietly loses it. The difference between the two is not

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European vs American Type Prefabricated Substation: What is the Difference?

Ask a supplier to quote a prefabricated substation and the first question you will likely hear is “European or American type?” It sounds like a regional preference, but it is really a question about your distribution network — specifically whether your power comes in overhead or underground. Getting that match wrong causes cable termination problems

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