Case Studies
The green face of Ventus Natural & Medical Spa**** Working together for a better future.
Ventus Natural & Medical Spa** is a hotel located in the heart of the Masuria region, which integrates picturesque landscapes and proximity to nature into its operations, fitting in with the holistic and recreational character of the place. A further step towards sustainability for the facility is the investment in renewable energy. Thanks to a partnership with Reo.pl, the Ventus Natural & Medical Spa** hotel is powered by green energy. Let's find out more about the history of this collaboration.
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PV Inverter – How Does It Work?
A photovoltaic (PV) inverter is the heart of every solar power system, enabling the efficient use of generated electricity. Without it, even the most efficient PV panels would be useless. Read on to learn how a solar inverter works and how to choose the right one.
Heat Pump Heating Curve – What Is It?
Heat pumps are devices that use thermal energy from the surrounding environment—water, ground, or air—to heat a building’s interior. They provide an environmentally friendly and energy-efficient way to ensure thermal comfort for occupants and, thanks to available subsidies, they do not necessarily have to be an expensive investment. Heat pump operation can be configured in several ways, including setting a fixed target temperature or linking performance to a heating curve. What exactly is a heat pump heating curve, and how should it be adjusted?
Non-renewable energy sources – what are they, what disadvantages do they have, and do they have a future?
Non-renewable, or so-called traditional, energy sources have for decades been the foundation of energy systems around the world. Coal, crude oil, and natural gas are resources that, despite the growing popularity of alternative energy sources, still play a key role in the energy systems of many countries. This situation makes the energy transition, which will help free the global economy from fossil fuels, increasingly urgent. So, what is worth knowing about non-renewable energy sources?
Green news
Clean Industrial Deal – Will the EU’s New Support Accelerate the Green Industrial Revolution in Poland?
At the end of February 2025, the European Commission published a communication entitled “The Clean Industrial Deal: A Joint Roadmap for Competitiveness and Decarbonisation.” Its objective is to promote decarbonisation by reducing the European Union’s dependence on non-renewable resources. What does the Clean Industrial Deal (CID) contain, and how could it impact Polish industry?
Reo.pl partners with Envirly: renewable energy, carbon footprint calculation and reporting in one place
Reo.pl, a platform trading exclusively in green energy, has entered into a strategic partnership with Envirly, a provider of an advanced tool for measuring and reporting carbon footprint. The joint initiative aims to comprehensively support clients in the energy transition, implementation of sustainability policies, and compliance with reporting requirements set by EU regulations.
EUDR – What Is the Deforestation Regulation About?
At the end of December, the EUDR regulation on deforestation will come into force. Initially, it will apply only to large and medium-sized enterprises, but over time its scope will also cover smaller companies. What changes should businesses prepare for? What does the deforestation regulation change?
Building thermal modernization – is funding available?
Insulating residential and industrial buildings is of great importance both for the comfort of occupants and for environmental protection. Modern, passive construction generates virtually no carbon footprint, and its maintenance costs are significantly lower than those of “older” buildings. Insulation is one element of thermal modernization. Read on to learn what this process involves, how to organize it, and whether an investor can receive funding for thermal modernization.
What is the deposit return system and from when will it be in force in Poland
The deposit return system is a solution introduced in response to the provisions of the Single-Use Plastics Directive, also known as the plastics directive. Its aim is to increase the level of recycling and to reduce the amount of waste ending up in the environment. In Poland, it will come into force in October 2025, although it was originally planned to be launched much earlier. What is the deposit return system, and how has it worked in other European countries?
How does the Stop Smog program work and who can receive funding?
The Stop Smog program is financial support for municipalities that engage in thermal modernization projects and their residents. It is intended for centers where the so-called “anti-smog law” is in effect. As of January 1, 2021, it is administered by the Ministry of Climate and Environment in cooperation with the National Fund for Environmental Protection and Water Management.
Biznes i prawo
Who is a Virtual Prosumer? Settlement Rules in 2025
Using a photovoltaic installation grants the user the status of a prosumer. However, the current provisions of the Renewable Energy Sources Act distinguish between different types of renewable energy prosumers. As of July 2, 2025, in addition to individual, tenant, and collective prosumers, the virtual prosumer model also comes into effect. Who exactly are these users of photovoltaic systems, and what sets them apart from a "regular" prosumer?
Central Energy Market Information System – A Change in the Energy Market. What Does the Introduction of CSIRE Mean?
As of July 1, 2025, the Central Energy Market Information System (CSIRE) is operational in Poland. Although its full implementation will take place in a year’s time, we can already see whether the centralized transmission, storage, and sharing of electricity market data is actually working. What exactly is CSIRE, and how does it function?
Green Marketing for Companies – How to Implement It?
Environmental protection, conscious care for preserving its values and biodiversity, promoting pro-environmental attitudes, and optimizing business activities are the key principles of green marketing. When companies define areas for development and create strategic and operational plans, their implementation can help eliminate the destructive impact on the planet. At this stage, questions and doubts often arise - What exactly is green marketing?
Photovoltaics and Settlement Systems: Net Billing vs Net Metering
Photovoltaics is the most popular way of generating electricity using Renewable Energy Sources (RES). By harnessing solar radiation, prosumers gain access to affordable, environmentally friendly electricity and greater energy independence. Currently, two photovoltaic settlement models can be found on the energy market: net metering and net billing. How does each system work, and which one is more profitable?
Environmental audit – what it is and how to conduct one
An increasing number of businesses are looking for ways to implement eco-friendly, zero-emission solutions in their daily operations. On one hand, such actions are driven by current legal requirements. On the other, by adopting green solutions, a company strengthens its image as a responsible market participant that cares about the environment. How can an environmental audit help you in this regard?
Three-phase electricity – is it a more eco-friendly solution for households and businesses?
Access to electricity is necessary to use any device, whether it’s a kettle or an industrial machine. At the stage of designing a building’s electrical installation, it becomes necessary to choose between a single-phase and a three-phase system. How do they differ from each other? And is three-phase electricity more eco-friendly?
Solar tax – who does it apply to and what are the current regulations?
Generating electricity from solar radiation has for years been an effective way to save money, allowing a significant reduction in electricity bills. However, reports on the internet suggest that, in search of additional revenue, the tax authorities plan to reach into taxpayers’ pockets by introducing a solar tax. How is this new fiscal charge supposed to work? Who does it apply to, and is there really anything to worry about?
Electricity refund – how to get it? Who is eligible?
Rising electricity prices have led the government to introduce various mechanisms aimed at reducing household bills. Some of these measures apply to businesses, while others are available to households. Read on to find out who can receive an electricity refund and how to apply for it.
EMAS – A Complete Guide to Environmental Certification
Companies and government agencies are increasingly requiring their partners to demonstrate proper care for the environment. Entrepreneurs who want to show they are consciously and responsibly taking the green path—and avoid accusations of greenwashing—may choose to implement the EMAS certification. But what exactly is EMAS and what benefits does it offer?
ISO 50001 Standard. How Does It Improve Energy Efficiency in a Company?
For many companies, the use of a significant amount of energy in daily operations is critical to their business. To ensure that an organization operates in an optimized and highly efficient manner, it should consider adopting one of the standardized management systems. One such system is the ISO 50001 standard. What are its principles, and why is it worth implementing?
Ekoporady
How to Clean Solar Panels? A Step-by-Step Guide
A photovoltaic installation makes it possible to generate green electricity directly from solar radiation. In this way, both consumers and businesses can achieve energy independence and significantly reduce their electricity bills. Is regular cleaning of solar panels necessary to maintain their full efficiency? We answer!
Thermal insulation – what it is and when to do it
Thermal insulation is a way to save money and ensure thermal comfort. Check when it’s worth planning and what benefits it provides.
How is hydrogen produced? Electrolysis – what is it and how does it work?
Ecological hydrogen as an energy source is one of the directions in the development of renewable energy. However, to enable its large-scale use, it is necessary to apply an easy, efficient, and inexpensive method of its production. Currently, green hydrogen can be obtained in several ways – through steam reforming of natural gas, photosynthesis, fermentation, and the electrochemical method, that is, electrolysis. Here we explain what hydrogen electrolysis involves.
How does a smart electricity meter work and what does it look like?
A traditional electricity reading requires a meter reader to visit a home or business. This person checks the readings on the electricity meter, and based on that data, forecasts and bills for electricity consumption are calculated. At Energy Consumption Points, smart electricity meters are becoming increasingly common, making the entire reading process easier and more accurate. Read on to learn how a smart electricity meter works.
Green certificates in the office – how to obtain them and what benefits they bring to a company
Eco-friendly construction is becoming increasingly popular among businesses. Having green certificates in the office is not only a way to meet ESG requirements but also proof that a company is a conscious and responsible market participant. So how can you apply for green certificates?
Does an extension cord use electricity? Find out!
Every electrical device connected to the power grid draws electricity in order to function. The amount of energy it consumes depends on the technical specifications of the device and how intensively it is used. But what about the extension cord or power strip itself? Here’s an explanation of whether an extension cord uses electricity.
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