KNOW HOW

Expert insights, analyzes and trends from the world of energy and advanced technologies. Learn more about modern solutions and innovations that are shaping the future of the industry.

Solar Power Plants

Example of a Solar Power Plant for a Factory

An electricity bill in a factory does not increase linearly.

Solar Power Plant Grid Connection Guide

Connecting a solar power plant to the grid does not begin with installing solar panels.

Renewable Energy Feasibility Analysis Guide

If a renewable energy project starts from the wrong assumptions, the mistake will not appear on the first electricity bill.

What Does Turnkey Mean in the Energy Sector?

When an energy investment starts in the wrong order, the consequences become visible very quickly — equipment is purchased before consumption analysis is completed, the project does not reflect real peak loads, and responsibility is fragmented across multiple contractors.

7 Things People in Serbia Often Get Wrong

When rooftop solar comes up in conversation in Serbia, two very different reactions usually appear.

What Is a Prosumer and Why Is It No Longer Just for Enthusiasts, but for Everyday Homes?

Until a few years ago, rooftop solar in Serbia was, for many people, something associated with technology enthusiasts, early adopters, or homeowners who simply wanted to be ahead of the curve.

How Much Does Solar Really Change the Electricity Bill in a Family Home?

This is probably the most common question homeowners ask when they first start seriously thinking about solar panels.

The Most Common Mistakes in Solar Projects

A solar power plant can look highly profitable on paper while still underperforming in practice.

Guide to Solar Investments in Serbia

Today, the electricity bill is no longer just an operational expense.

How to Size a Solar Power Plan

Learn how to size a solar power plant based on consumption, peak demand, roof capacity, and billing models ensuring a more precise and cost-effective investment.

How Long Is the Return on Investment for Solar?

The return on investment for solar depends on consumption, system size, and electricity prices. Discover what truly shortens the payback period.

Solar Power Plant Feasibility Study

When a company considers investing in its own electricity generation, the most expensive mistake is not the size of the investment but the wrong assumption at the very beginning.

Turnkey Solar Power Plant for Businesses

Electricity costs do not increase linearly. In manufacturing, logistics, cold storage, processing, and data centers, a single price spike or power outage can disrupt the entire business equation.

Industrial solar panels for lower energy costs

When the electricity bill becomes a line item that directly impacts margins, industrial solar panels are no longer a “someday” topic.

Solar power plant maintenance without downtime

When a solar power plant is commissioned, the job is not finished this is when the phase begins in which the investment is protected, measured, and optimized.

Solar Power Plant Design for Commercial and Industrial Facilities

Electricity costs do not increase linearly. In one quarter they may seem manageable, while in the next they begin to impact on margins, procurement planning, and the final product price.

How Profitable Is a Solar Power System?

Electricity costs are no longer just an operational expense. For many companies in Serbia, they have become a direct factor of competitiveness especially in manufacturing, logistics, the food industry, and facilities with continuous operations.

Residential Solar Power System

If you ask today how much a residential solar power system costs, you will likely get three different answers, one approximate, one sales-driven, and one accurate.

Preparation for an Energy Feasibility Study

Electricity costs rarely increase gradually.

Battery Energy Storage in Industry: Real-World Applications

Electricity costs are no longer just an operational expense.

BESS alongside the transformer substation: anatomy of an integrated industrial solution

Battery energy storage systems, known by the abbreviation BESS, represent one of the most rapidly developing segments of modern electrical infrastructure and are increasingly becoming an integral part of industrial and commercial installations.

How Much Does a BESS System Cost in Serbia

The first question most investors ask is not technical, but financial — how much does a BESS system cost, and when does such an investment make sense?

Home Solar Battery

Solar panels on family homes are no longer something new or unusual.

Architecture of an Energy-Independent Industrial Complex

In Serbian industry, the solar panel story usually begins and ends in the same place: rooftop panels that reduce the electricity bill.

How to Choose the Right BESS Capacity Without Mistakes

One of the most expensive mistakes in energy storage does not happen when you choose the wrong battery technology, but when you choose the wrong capacity.

Industrial Battery Prices – What Are You Really Paying For?

When production stops for 15 minutes, the conversation about industrial battery prices stops being a procurement issue and becomes a question of lost revenue, contractual deadlines, and operational risk.

Batteries for UPS and BESS Systems

Before discussing chemistries, cycle life, and depth of discharge, it helps to establish the basic framework

BESS Energy Storage Systems in Practice

When a production facility stops for 20 minutes due to a voltage drop, the cost is not measured only in unconsumed kilowatt-hours.

How Battery Energy Storage Works

When a production line stops due to a short voltage drop, the cost is not just the electricity bill. Lost working hours missed delivery deadlines, and reduced customer trust all follow.

A market that powers itself

Markets, covered marketplaces and wholesale produce markets use more electricity than people assume.

The solar that keeps your customer

For years, solar was sold as savings.

Got an empty plot? Here’s what you can start on it

A good plot can sit empty for years.

A big hall, big bills and a big roof

In energy terms, a sports hall is one of the most demanding buildings a municipality or club owns.

When the grid is neither reliable nor cheap

For many companies, electricity is a quiet assumption — until it fails.

When the infrastructure fails

A flood, an earthquake, an ice storm or a major wildfire all share one trait: the first thing to fail is exactly what is needed most.

A covered work zone

Many companies do a significant share of their work outdoors — loading and unloading, material prep, equipment repair, vehicle servicing, sorting, packing, small-scale production.

A shop you set up, not build

Wherever people walk by, there's a need for coffee, fast food, ice cream or a quick purchase.

From a few square meters to a real facility

The story of a growing business regularly gets stuck on space.

When a farm can’t wait for the grid: a modular solar system as part of production infrastructure

On a modern farm, energy is no longer a side item. It powers irrigation pumps, cold storage, lighting, administration, sensors and daily logistics.

When a new location has to open its doors right away, but a stable grid connection isn’t an option

At good locations along highways and regional corridors, providing parking and a toilet is no longer enough.

Why a modular solar system makes the most sense  for sawmills, drying kilns and the wood processing industry

The wood processing industry faces a problem few other industries know to the same degree.

A flexible hall for growing companies

Growing companies find themselves in a familiar paradox.

When a company needs new space fast, but doesn’t want long-term costs it can’t contro

Business opportunities rarely arrive with a pre-agreed timeline.

Why a modular hall with a solar system makes the most sense for warehouses, cold storage and production

Warehouses, cold storage facilities and production buildings have long stopped being just spaces for work or storage.

Why a solar canopy makes sense

A parking lot is the first thing every guest, client or partner sees before entering the building.

TerraCell in Tourism

Modern tourism does not just demand a beautiful location — it demands reliable energy, hygiene standards, digital connectivity, and an experience that can launch quickly

What Oman Can Teach Europe

The real test for any idea is not the presentation — it is performance in the field.

Solar Smart Containers Are Changing Seasonal Worker Housing

Every company that employs seasonal workers knows what that cost looks like..

The Factory That Breathes Clean: What Happens When Heavy Industry Switches to Green Hydrogen — A Thought Experiment

Imagine Smederevo without smoke above the steel plant.

From Solar Park to Hydrogen Facility — How to Connect, Launch and Maintain a Green Plant

Most people considering connecting a solar park to an electrolyzer for the first time picture a simple sequence.

Hydrogen vs. Batteries: When Lithium Is Cheaper, and When Hydrogen Is the Smarter Choice

"What is better, hydrogen or batteries?" is perhaps the most frequently asked question in the energy transition. And one of the most misguided.

The Tax You Don’t Pay: How Green Hydrogen Shields Serbian Industry from European Levies

Every company exporting to the European Union is including new costs in its calculations.

Hydrogen Valleys: What Are Europe’s Hydrogen Clusters and Can Serbia Build One

The most successful hydrogen projects in Europe are not standalone electrolyzers. They are entire "valleys" — geographically defined areas where hydrogen is simultaneously produced, transported, used, and financed within a single integrated ecosystem.

Hydrogen’s Colors: Why “Green” Costs Much More Than “Gray”

When you hear the word "hydrogen," you imagine a colorless gas.

Why Serbian Solar Parks Are Actually Untapped Hydrogen Factories

Serbia is currently undergoing a "solar boom." Thousands of hectares are being converted into photovoltaic fields, and factory rooftops are turning into small power plants

Electrolyzers: A Guide to the Technology That Turns Water into Capital

In the world of energy, if green hydrogen is the "lifeblood" of the new economy, then the electrolyzer is its heart.

Green Hydrogen

Imagine a fuel with three times the energy density of gasoline, but whose combustion produces nothing but pure water vapor.

Charging an Electric Vehicle from a Solar Installation: Aligning Generation and Consumption

The economic rationale for combining a solar installation with an electric vehicle does not rest on “free energy,” but on maximizing self-consumption.

TCO: Why the Cheapest Car to Buy Is Rarely the Cheapest Car to Own

A buyer stands in front of two cars.

V2G: When a Vehicle Stops Being Just an Electricity Consumer

The average car spends more than 90 percent of its lifetime parked. In the case of an electric vehicle, this creates an interesting situation: a large battery, comparable in value to a small residential energy storage system, sits unused for hours and days at a time.

The Charger as a Magnet: How Charging Time Becomes Your Revenue

An electric-car driver pulls over to charge the battery.

Range Anxiety: A Fear That a Bigger Battery Cannot Cure

A petrol driver barely glances at the gauge when it drops to a quarter of a tank.

Type 2, CCS, CHAdeMO, NACS – Why a Connector Is More Than the Shape of a Plug

A driver pulls up to a station, takes out the cable, walks over to the vehicle – and the plug simply will not go in.

What Happens When You Put Several Chargers in One Place – and Why the Site’s Connection Capacity Determines Everything

When a single charger is being planned, the calculation is simple: the device’s power is known, and a suitable connection has to be provided.

AC or DC Charging – What Really Determines How Fast Your Vehicle Charges?

When someone chooses an EV charger for the first time, the question is almost always the same: “How many kilowatts does it have?”

AIDC Decision-Maker’s Guide

The technological shift is no longer a keynote prediction.

EN 50600 — the European Standard for Data Centers

When data centers come up in conversation in Serbia, the Uptime Institute Tier classification is almost always the first reference.

Edge Data Centers

For most of the last decade the industry moved in one direction.

Micro Data Centers

Most mid-sized companies share the same story.

UPS Systems in Data Centers

A data centre is infrastructure that does not switch off. That is not a marketing statement it is an engineering requirement that informs every decision in the design process, from site selection to the way power flows through the facility.

Backup Power for Businesses Without Costly Downtime

Power outages are not measured only in minutes of darkness.

Power Management for Data Centers Without Downtime

When a data center goes down for even a few seconds, the impact is not just a technical fault. It means service disruption, contractual risk, potential data loss, and a very real financial cost.

How to Prevent Power Outages in Practice

A brief voltage dip can stop a production line, bring down a server, reset a PLC, and cause damage that is measured in far more than minutes of downtime.

TCO of Industrial Power Supply Systems – Cost Analysis

When a production line stops for 12 minutes, the cost is not limited to lost kilowatt-hours.

UPS systems and standby generators: technical differences and the right backup power solution for your facility

The reliability of electrical power supply represents one of the most significant operational factors for every modern industrial, commercial or medical facility.

4 Steps to the Perfect Modular UPS

In a world where every power outage can cost tens of thousands of euros per hour and electricity bills keep rising, a modular UPS system is no longer just “insurance” – it’s a smart investment in the future.

UPS is not the same as BESS — and that is why customers often need both

When a company starts evaluating investments in energy infrastructure, UPS, batteries, energy storage and solar are often grouped into the same conversation.

How Much Does One Hour of Downtime Cost?

In modern business, electricity is no longer just an operational resource – it is the foundation of business continuity. When a power outage occurs, the consequences are not measured only in minutes of inactivity, but in direct financial losses, reputational damage, and long-term business impact

The New EU Rule Transforming Energy Storage and EV Markets

As the energy transition accelerates, batteries are becoming the backbone of modern energy systems.

Guide to Backup Power Supply for Industrial Facilities

A few seconds of power interruption in an office is an inconvenience.

Backup Power for Industrial Facilities Without Costly Downtime

When a production line stops for 15 minutes, the cost rarely remains limited to lost energy alone.

UPS or Diesel Generator – Which Is the Better Choice?

A power outage lasting just a few seconds may not seem dramatic until it stops a production line, shuts down servers, interrupts pump operation, or causes data and material loss.

Which battery for your UPS or BESS

You have a UPS system that works. The batteries are somewhere in the room, charging and discharging, and you notice them only when someone mentions it is time for a replacement.

What Is a UPS System and Why Does It Matter for Your Business

Every power outage has a price. For some businesses, that price is measured in lost data, for others in spoiled goods, halted production lines, or damaged client relationships.

Best backup power solutions

When a production line stops for 15 minutes, the cost is not just lost energy.

UPS Systems for Industry Without Costly Downtime

A voltage drop lasts only a few seconds.

How to Choose a UPS for Your Business

The first mistake when purchasing a UPS system is usually not the choice of model, but the wrong question.

Rectifiers for Telecom Systems: Making the Right Choice

If a base station fails due to unstable DC power supply, the issue is not merely technical. It leads to service disruption, field interventions, SLA risk, and operational costs that quickly become visible.

48V DC Systems for Telecommunications

When a base station loses power, the issue is not just a technical outage.

HVAC for Cold Storage and Temperature-Sensitive Spaces

In cold storage facilities and temperature-sensitive spaces, HVAC is not a comfort issue.

HVAC for Pools, Spa, and Wellness Centers: Humidity, Comfort, and Energy Challenges

In pools, spa, and wellness centers, HVAC has a very specific role. I

HVAC for Pharmaceutical Facilities and Laboratories: Controlled Conditions and Precision

In pharmaceutical facilities and laboratories, HVAC is not only responsible for providing a comfortable temperature.

HVAC for Hospitals and Healthcare Facilities: Hygiene and Air Control

In hospitals and healthcare facilities, HVAC does not have the same role as in standard commercial buildings.

HVAC for Data Centers: Cooling and Continuity of Operation

In a data center, HVAC is not a comfort issue. It is a continuity issue.

Ventilation, Air Quality, and Energy Optimization of HVAC Systems

Ventilation is one of the most important, yet often underestimated, components of an HVAC system.

HVAC for Warehouses and Logistics Centers

HVAC in warehouses and logistics centers is often underestimated because these buildings are not usually seen as high-comfort spaces.

HVAC for Industrial Halls and Manufacturing Facilities

HVAC in industrial halls does not have the same role as in residential or standard commercial buildings.

HVAC for Offices and Commercial Spaces

In offices, HVAC directly affects the working atmosphere. When temperature is unstable, the air is stale, or the system is noisy, employees notice it quickly.

HVAC for Hotels, Restaurants, and Hospitality

In hotels, restaurants, and hospitality venues, HVAC directly affects the guest experience.

HVAC for Apartments: What Makes Sense and What Does Not

In apartments, HVAC should solve everyday problems: pleasant temperature, quiet operation, healthier air, and reasonable energy use.

What Is HVAC and What Is It Actually Used For?

HVAC stands for Heating, Ventilation and Air Conditioning.

HVAC for Retail Stores and Retail Spaces

In retail, HVAC has a different role than in an office or hotel.

How to Choose an HVAC System Based on the Type of Building

The choice of HVAC system depends on how the building is used, how many people occupy it, how long the space is active during the day, and what conditions are expected.

The Most Common Mistakes When Choosing an HVAC Solution

A poor HVAC choice is usually not visible immediately. At first, everything may seem functional: the equipment is installed, the space is heated or cooled, and basic conditions exist.

How Cost-Effective Is Investing in an HVAC System?

Investing in HVAC should not be evaluated only through the price of equipment and installation. Its real impact becomes visible through energy consumption, comfort, indoor air quality, the number of service interventions, and the long-term value of the building.

HVAC for Family Homes: Comfort, Efficiency, and Long-Term Cost

A family home requires a different HVAC approach than an apartment. It has more rooms, a larger area, often several floors, different room orientations, and greater seasonal changes in energy use.

How to Reduce Peak Demand in a Company

Electricity costs often do not increase because a company consumes “too much electricity” overall, but because it consumes it at the wrong time and in the wrong way.

The anatomy of a solar power plant: how solar energy travels from the panel to the consumer

The visual impression of every solar power plant, whether located on the rooftop of an industrial facility or in the form of a ground-mount installation, is dominated by the dark rows of photovoltaic panels that absorb solar energy.

Power, telecommunications and signal cables: three systems that must be separated in every modern facility

A glance above the suspended ceiling of a modern office building or inside the switchgear cabinet of an industrial facility reveals hundreds of metres of various cables that to the untrained eye appear as a chaotic tangle of plastic and copper.

Medium-voltage infrastructure of the solar power plant: the bottleneck rarely discussed

Discussions about solar power plants almost invariably focus on panels, inverters and economic projections, while the medium-voltage infrastructure that actually enables the generated energy to reach consumers or the distribution network is frequently treated as a secondary item to be resolved at the end of the project.

Smart low-voltage distribution panels: the digital brain of the modern industrial facility

A low-voltage distribution panel has traditionally been viewed as a passive element of the electrical installation, a cabinet with fuses and breakers that quietly performs its function in a technical room or basement of the facility.

Reactive power compensation: a cost on your electricity bill that does not have to be there

The monthly electricity bill in every industrial and commercial company contains items that appear to be standard operational costs, but within their structure there is often a significant element that most companies pay without a clear understanding of its origin and, more importantly, the possibility of its elimination.

Electricity Consumption Management

Electricity bills rarely increase by accident.

The smart city beneath the street: cable infrastructure as the foundation of the urban future

The concept of the smart city in public discourse is most often associated with 5G networks, autonomous vehicles, smart traffic lights, cloud applications and wireless communications that seem almost magical.

Fast charging of electric vehicles and its impact on the transformer substation

The development of electromobility in recent years has driven the rapid expansion of charging infrastructure, which today no longer consists solely of standard alternating-current power sources but also includes systems for fast and ultra-fast direct-current charging with capacities exceeding three hundred and fifty kilowatts.

SF6 and environmentally friendly alternatives: where the medium-voltage industry is heading

Sulphur hexafluoride, or SF6, has for decades represented the standard insulating and switching medium in medium-voltage equipment.

Concrete and metal compact transformer substations: how to choose the right solution for your project

Compact transformer substations represent one of the most significant segments of modern distribution infrastructure.

Sizing transformer substations for industrial use: an approach that saves money

A transformer substation represents one of the most significant capital and operational elements of any industrial facility.

Five most common mistakes in designing transformer substations for industrial facilities

Designing an industrial transformer substation represents one of the most complex technical tasks in modern electrical infrastructure, encompassing sizing, equipment selection, integration with production processes and anticipation of the company's future requirements.

How to Optimize Energy Consumption in a Factory

An electricity bill in a factory rarely increases because of one major issue.

How to Calculate Return on Investment (ROI)

If you are considering a solar power plant, BESS, UPS, or modernization of your energy infrastructure, the question is not whether the investment is expensive, but how to calculate return on investment in a way that makes the decision financially rational.

From 35 kV to 230 V

A stable and reliable electrical power supply is a fundamental prerequisite for the seamless operation of modern industry and business.

Proper Selection of Power Cables

During the design and execution of works on residential, commercial, or industrial facilities, the proper selection of electrical installation materials is the foundation of long-term safety and functionality.

The heart of the installation

A distribution board represents the central point of control and distribution of electrical energy within any facility.

Security Behind the Wall

When we think about renovating an apartment, building a production hall, or equipping a data center, our focus is usually on what is visible, such as modern lighting, powerful machinery, or elegant switches.

Transformation and Distribution of Electrical Energy

Substations represent a critical link in the process of transmitting electrical energy from generation facilities to end-users.

300 Seconds of Darkness

Transformer stations represent the backbone of the electrical power system, acting as key hubs for the transformation and distribution of electrical energy to end-users.

Energy Digitalization

For decades, the power grid has operated in a one-way manner, with large power plants generating electricity and end-users consuming it.

Energy solutions for industry

Energy is no longer just an operating cost.

Energy infrastructure for industrial facilities

When a production line stops for 20 minutes, the cost is not just lost energy. Hours of planning are lost, delivery deadlines are affected, process stability is compromised, and customer trust is weakened.

Energy efficiency in commercial buildings

The electricity bill in a commercial building rarely increases due to one major problem.

Diesel generator for commercial facilities – the right choice

When a production line stops due to a grid outage, the loss is not measured only in minutes. It is measured in missed deliveries, spoiled goods, logistics disruptions, and pressure on contractual deadlines.