by master_heiwit | 19 June 2026 | AI Care, Insights
BESS deployed: daytime sun can become useful energy in the evening For years, we have imagined photovoltaics simply: the sun shines, the panels produce energy, the home or business uses it and any surplus is fed into the grid. It has been a...
by master_heiwit | 11 June 2026 | Insights, Press review
Heiwit in Brussels, at the table on the future of the European battery On 11 June 2026, Heiwit took part in the debate of the European Economic and Social Committee dedicated to the future of the European battery industry. A day during which discussion focused on...
by master_heiwit | 2 May 2026 | Insights, Sodium ion batteries
Observational study · Residential storage High self-consumption with sodium-ion batteries: data from an Italian plant portfolio Analysis of the distribution of energy autonomy in a portfolio of residential photovoltaic systems equipped with storage...
by master_heiwit | 25 April 2026 | Insights, Sodium ion batteries, Footer Guides
Artificial Intelligence and Photovoltaics: how AI CARE optimises energy self-consumption In recent years, the integration of photovoltaic systems and storage systems has transformed how we produce and use energy. However, the real leap...
by master_heiwit | 25 April 2026 | Insights, Sodium ion batteries
From bill to profit: +€81 in 30 days with HEIWIT ⚡ Yes, you read that right. In the last 31 days, one of our systems not only didn't pay for electricity... but actually made €81.66. ? Real numbers (not simulations) Total consumption: 348.4 kWh Production...
by master_heiwit | 23 April 2026 | Insights, Sodium ion batteries
Sodium-ion self-discharge: only 6% lost over 539 days When discussing storage batteries, the focus is often solely on capacity, power and price. But there is one parameter that says a great deal about a battery’s true quality: self-discharge. And it is precisely here...
by master_heiwit | 11 Apr 2026 | Insights
AI storage: how artificial intelligence accumulation can increase GSE revenue Today, the issue is not just how much energy a photovoltaic plant produces, but also when it is convenient to consume it, store it, or sell it to the grid. And this is precisely where...
by master_heiwit | 21 March 2026 | Insights, Sodium ion batteries
How much raw material is really needed for sodium-ion batteries? The scientific calculation, explained simply Spoiler: no, the sea wouldn't be desalinated if all the batteries the world needs were sodium-ion. Let's see why. When talking about batteries...
by master_heiwit | Feb 15, 2026 | Insights, Sodium ion batteries
Sodium safer than lithium? What the research says (and why “safety” is not one) When it comes to photovoltaic storage, the question always comes up: “But is it safe?”. It is a more than legitimate question, because a battery is not a simple “tank” of...
by Editorial team | Jan 23, 2026 | Insights
The Renewable Energy Directive III (RED III) marks a key step in the European renewable energy strategy. With more ambitious targets and a strongly efficiency-oriented approach to the energy system, the directive strengthens the role...
by master_heiwit | Oct 25, 2025 | Insights, Sodium ion batteries, Guides, Footer Guides, Photovoltaic systems
Heiwit battery retrofit on existing photovoltaic systems: when it pays to kit and when to replace the inverter Integrating a Heiwit sodium ion battery into your existing photovoltaic system is possible and often cost-effective. There are two ways:...
by master_heiwit | Oct 22, 2025 | Insights, Sodium ion batteries
Certified temperature range of Heiwit batteries Heiwit sodium-ion batteries have been tested and certified by TÜV SÜD. Below are the main values for the operating temperature as given in the official Heiwit temperature document.
by master_heiwit | Aug 25, 2025 | Insights
Robust growth in the first six months of the year From January to June 2025, 1,140 MW of new storage systems were connected in Italy, an increase of 8.2 % compared to the 1,054 MW recorded in the same period in 2024.At the same time, usable capacity in...
by master_heiwit | Aug 8, 2025 | Insights, Sodium ion batteries
Sodium ion batteries are emerging as one of the most promising technologies in energy storage. Unlike traditional lithium batteries, they use abundant and readily available materials, reducing dependence on...
by master_heiwit | Aug 1, 2025 | Insights, Sodium ion batteries, Press review
In the global energy storage landscape, obtaining the first official certification of a grid-connected inverter combined with sodium-ion batteries marks a milestone. The achievement of the Heiwit team represents not only a breakthrough...
by master_heiwit | Jul 29, 2025 | Insights, Sodium ion batteries
In the video below we show an important step in our production process: the aging test on the 6kW single-phase inverters, designed to work in conjunction with Heiwit 10kWh sodium-ion batteries. This is an essential test that...
by master_heiwit | Jul 26, 2025 | Insights, Sodium ion batteries
Heiwit has reached a major strategic milestone in the development of sodium ion batteries, an innovative technology that is set to revolutionise the energy storage market. Currently, Heiwit has a potential annual production capacity of...
by master_heiwit | May 9, 2025 | Insights, Sodium ion batteries
Energy storage, particularly with batteries, is becoming a key pillar for a more sustainable and independent energy future. Whether it is storing the energy produced by solar panels or harnessing the...
by master_heiwit | Dec 31, 2024 | Insights
According to an analysis reported by TGCOM24, energy prices in Italy could rise significantly in 2025, with a direct impact on electricity and gas bills. There is talk of a 30% increase in the cost of electricity and...
by master_heiwit | Dec 6, 2024 | Insights
The graph of the daily production of one of our plants, dated 5 December 2024, shows an interesting case for analysing the opportunities and criticalities of photovoltaic energy management. 1. Initial phase: morning growth Time:...
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