BESS standalone vs BESS hybridized with photovoltaics: key differences for your project
The Spanish storage market has entered its massive deployment phase. In 2025 alone, the Ministry awarded €818.3 million to 126 storage projects totaling 2.2 GW of power and 9.4 GWh of capacity. Of these 126...
All the ways to generate income with a BESS system in Spain (2026)
Spanish PV has crossed a threshold. In the first quarter of 2026 alone, the OMIE wholesale market has registered more than 180 hours with negative prices, compared to 120 hours in the same period last year....
Industrial vs. residential batteries: key differences you should know before you invest
The energy storage market is experiencing one of its strongest growth moments in Spain. Batteries are no longer the exclusive territory of residential installers: they have burst into industrial parks, solar plants and...
Hybrid inverters: the key to integrating batteries in modern solar projects
The self-consumption park is installed. The panels are working at full capacity. But when the sun disappears, the plant is once again dependent on the grid at market prices. This scenario, which describes tens of...
Curtailment in Spain: why you are losing money with your solar plant (and how to avoid it)
Paradox of success: record renewable production, but plants lose money Spain is at the epicenter of a historic energy transformation. Official data from Red Eléctrica de España (REE) confirm that we will close 2024 with an...
BESS as a financial asset: how to structure a profitable investment in energy storage
From technical infrastructure to financial product Until recently, energy storage was seen as a "necessary cost" for critical industries or a technical complement to photovoltaics. That view is outdated. Today, a Battery Energy...
Talent as a driver of the energy transition: Polestar Energy honored at LA RAZÓN 2026 Awards
In an increasingly complex economic and regulatory environment, the ability to anticipate and technical excellence make the difference between following the market or leading it. Under this premise, on February 19, 2026,...
Advanced energy arbitrage strategies with BESS: how to buy cheap energy and use it when it’s worth more
Volatility as a business opportunity For decades, a company's energy management consisted of negotiating a fixed price per MWh and trying to consume as little as possible. Today, that strategy is obsolete. As we analyzed...
How to manage an industrial BESS system in real time: the key role of EMS
Beyond hardware: Why a battery alone doesn't make money When an industrial company decides to invest in a System from Storage from Energy at Batteries (BESS)often focuses on physical capacity: how many MWh can fit in the container? However, the...
Battman Storage – a Polestar Energy Group company – allies with Elecnor and Gotion to lead energy storage in Spain
The tripartite alliance marks a before and after in the Spanish BESS sector: cutting edge technology, first level engineering and integrated development under the same umbrella. Today is a day that marks a milestone in Battman Storage's trajectory....