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 | 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 Editorial team | Feb 19, 2026 | Sodium ion batteries, Photovoltaic systems
With the spread of electric vehicles and Battery Energy Storage Systems (BESS) in increasingly “safety-critical” contexts (enclosed environments, buildings, infrastructure, large-scale logistics), the question is no longer just how much energy we can store, but how it behaves...
by master_heiwit | Feb 17, 2026 | Sodium ion batteries, Photovoltaic systems
Batteries for photovoltaic systems: are they really worth it? (simple calculation in 2 minutes) “They cost twice as much... the normal ones are already not cheap, let alone these.” This is a comment one often reads. And it is understandable: a battery is a major expense, and if you look...
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 master_heiwit | Feb 6, 2026 | Sodium ion batteries, Press review
HEIWIT sodium-ion batteries: field results to date (06/02/2026) 6 February 2026 marks a concrete milestone in the journey of HEIWIT sodium-ion batteries: the first systems have reached 1,000 life cycles while maintaining performance...
by master_heiwit | Jan 28, 2026 | Sodium ion batteries
When “sodium” is not enough: chemistry makes all the differenceTwo storage systems can claim “sodium-ion battery” and yet behave in opposite ways in the home: one holds up well during heat pump peaks, the other collapses in power in the evenings...
by master_heiwit | Jan 23, 2026 | Sodium ion batteries
The choice you make in the cellar: it's not just a batteryWhen you install a photovoltaic storage system, the object that ends up in your garage or utility room looks like “just” a component of the system. In reality it is a decision that touches raw materials, chains of...
by master_heiwit | Jan 22, 2026 | Sodium ion batteries, Press review
Industrial Production - Sodium-ion Batteries Heiwit starts the project for a new sodium-ion battery factory in Italy: up to 1 GWh capacity From 7 January, a strategic industrial project officially starts: a new sodium-ion battery factory in...
by master_heiwit | Jan 18, 2026 | Sodium ion batteries, Footer Guides
Why Heiwit sodium-ion batteries only work best with our inverters When it comes to residential storage, it is often taken for granted that “one battery is as good as another” and that it is enough to choose a “compatible” inverter to make everything work....
by master_heiwit | Jan 9, 2026 | Sodium ion batteries
The Sodium Ion Battery Revolution: An Opportunity to SeizeSodium ion batteries are emerging as an innovative solution in energy storage technology. Thanks to reduced costs and more readily available materials,...
by master_heiwit | Dec 19, 2025 | Sodium ion batteries, Guides, Footer Guides
The battery is only half of the system: the other half is the inverter. Good compatibility between battery and inverter is essential for proper charge/discharge management, protection, performance and reliability over time. If you want a general overview first...
by master_heiwit | Dec 19, 2025 | Sodium ion batteries, Guides, Footer Guides
HEIWIT sodium-ion battery: features, models and applications The HEIWIT sodium-ion battery is designed for stationary storage in combination with photovoltaic and domestic systems. On this page you will find a clear overview of the...
by master_heiwit | Dec 19, 2025 | Sodium ion batteries, Guides, Footer Guides
How a sodium-ion battery works: chemistry, cells and BMS (explained well) In this in-depth guide we explain how a sodium-ion battery works from a technical point of view, but in clear language. If you are looking for a more introductory guide you can...
by master_heiwit | Dec 19, 2025 | Sodium ion batteries, Guides, Footer Guides
Sodium-ion batteries (also known as sodium-ion) are storage systems that use sodium as the main element to transport ions between anode and cathode during charging and discharging. In practice, they do the same “work” as a sodium-ion battery....
by master_heiwit | Dec 15, 2025 | Sodium ion batteries
HEIWIT: CE-certified sodium ion battery for Italy and Europe When it comes to storage systems for photovoltaics, one of the most important questions is: is this battery really certified and installable in Italy? The answer, for the HEIWIT kit...
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:...
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