What are the opening hours?

Monday 09:00 - 17:00 Tuesday 09:00 - 17:00 Wednesday 09:00 - 17:00 Thursday 09:00 - 17:00 Sunday 09:00 - 17:00

Soltell Systems

Name: Soltell Systems
Address: Herzliyah, IL
Telephone: +18056182380

Home
Israel
Herzliyah
Soltell Systems

Solar Performance Analytics and Industrial Automation for Decentralized Energy Management

20/11/2025

Hidden Energy Thieves in Your Solar Setup? Tackling Current Leakage in PV Systems

Ever wondered why photovoltaic panels aren't hitting peak performance, especially when the setup is aged? It's not always dirt or shading -current leakage could be the silent culprit! As a common issue in solar arrays, this sneaky phenomenon stems from insulation defects in panels, connectors, and inverters. It ramps up with age and moisture, showing up even in newly installed system and over time sapping 5-10% of system's annual output in progressing cases. If not treated, the affected arrays eventually seize functioning as inverters can't start operating below a certain threshold of insulation resistance (typically around 1,000 kOhm).

Let's dive into spotting, measuring, and fixing it:
Identification: Watch for inverter shutdowns during rainy seasons - this can start with a few minutes offline, but propagates into a wider problem over time. Insulation resistance is a key indicator to stop the issue, but it is so common that quantification is practically a must.

Quantification: Don't guess - use advanced analytics to calculate exact energy losses and automatically track trends. This turns vague insulation resistance warnings into actionable insights for predictive maintenance of leakage problems. This is when the technician is really needed, without guesswork.

Treatment: Swap out faulty connectors, or bypass dodgy panels. But here's the key: Only intervene if losses outweigh fix costs. Prevention beats cure!
At Soltell, our performance analytics SysMap service makes this effortless - early detection means more kWh harvested and fewer headaches. Ready to leak-proof your system?

Check out the full post: Current Leakage in PV Systems. What's one maintenance hack that's boosted your solar ROI? Drop it in the comments!

17/11/2025

Ever wondered if you could spot a faulty solar panel before it tanks an entire string or even inverter's performance - without shelling out for expensive add-ons like panel-level optimizers or micro-inverters?

The answer is YES! At Soltell, our Smart Solar Measurement (SysMap) tool makes it possible through advanced MPPT-level IV curve analysis. By leveraging data from existing mini-central inverter sensors, it can detect physical damage or internal panel malfunctions in almost real-time - no extra hardware required.

Take this striking example: a burnt out panel, which has gradually knocked out the current of an entire string. Traditional methods? Costly onsite inspections or thermal imaging that come too late; manual monitoring simply can't detect a panel level anomaly. Our cloud-based SysMap tool analyzes IV curves to flag 90% of such panel issues within 72 hours, protecting your strings, inverters and systems.

This means faster fixes, lower costs, enhanced safety and maximized ROI for commercial & industrial PV setups. Predictive analytics - retrofit-ready and scalable!

Curious how it works with your solar management software solutions? Drop a comment or DM us. Let's power up smarter.

07/11/2025

Why automating identification of faulted strings in photovoltaic systems with Sensorless technology is a game-changer?
In a real-world example from November 2, 2025, an operator using our SysMap App received a faulted-string warning for a commercial 75 kW DC single-inverter PV system. The system had shown reduced performance since October 22, dropping to ~85–91% of expected output, with the power fault confirmed on November 1.

During a manual monitoring check, the operator found no issues and reported us that it might have been a measurement error. Yet a technician’s on-site inspection revealed a burnt panel that had likely blocked current for the entire string. On November 6, the panel was bypassed, restoring most of the string to full production.

This case highlights the unmatched advantage of automation combined with state-of-the-art performance analytics: it detected a significant power fault that human monitoring completely missed. The result? A 9.1% uptime increase over a period of the next several months - power that would have remained lost until the next annual technician inspection.

Automated, Sensorless-powered power fault identification doesn’t just save time in monitoring - it turns hidden losses into immediate gains.

Would you like to learn more?
Check for the blog article on the topic in the comment section.

21/10/2025

Unlocking Precision in Solar: The Game-Changer of Expert-Level PV Performance Assessment

In the race towards sustainable energy, decentralized solar PV systems are powering homes, businesses, and communities worldwide. But here's the catch: even minor issues like soiling or chronic equipment degradation can silently erode efficiency and ROI towards inefficiency and losses. That's where expert-level performance assessment steps in as a must-have strategy.

This advanced approach combines high-tier technology - think irradiance and temperature measurement - with cutting-edge software powered by proprietary algorithms trained with AI. The result? Daily performance accuracy rates soaring to 94-98%, enabling real-time anomaly detection and predictive maintenance that keeps PV systems humming at peak performance.

Why does this matter for rooftop projects?
Spot Issues Early: Catch subtle degradation before it hits your bottom line.
Optimize Operations: Integrate with energy management systems for smarter grid decisions.
Maximize ROI: Justify the investment through precise forecasting and reduced downtime.

For smaller setups expert tools deliver unmatched precision. Excited about the future of predictive maintenance for solar O&M? Let's connect and discuss how we're scaling clean energy smarter!

01/10/2025

Happy Hebrew New Year - Shana Tova & Hatima Tova from Soltell Systems!

Wishing you and your loved ones a sweet and prosperous Rosh Hashanah!

At Soltell Systems, we’re committed to lighting the way with innovative and sustainable solutions. Here’s to a year of growth, success, and collaboration!

01/09/2025

Quantitative evaluation is commonly employed for large solar photovoltaic installations but is seldom utilized in the commercial and residential sectors due to the expense associated with weather sensors and their upkeep. Alternatives, such as remote satellite observation and algorithmic methods like Soltell's Sensorless technology, provide more effective solutions for decentralized solar segments.

The Smart Solar Measurement (SysMap) solution leverages Sensorless technology for quantitative performance evaluation of solar PV systems, enhancing predictive solar management. Its precision is notably superior in the rooftop solar market. For instance, a 125kW rooftop PV setup experienced a 10% reduction in output because of a malfunction in the string tracker, which was overlooked during the manual surveillance of multiple sites.

30/07/2025

Struggling with dust on your solar panels? Photovoltaic dust can cut efficiency by as much as 15-20%, but smart cleaning makes all the difference! Common questions we hear: How often should you clean? Low-soiling systems need annual maintenance, while high-soiling ones may require 3-6 cleanings yearly or an automated approach. Can dust cause permanent damage? While not directly harmful, prolonged soiling risks efficiency losses and hotspot issues.

Enter Soltell’s Sensorless technology! By detecting real-time dust levels, it is feasible to schedule cleanings precisely, boosting efficiency and cutting costs.

Ready to optimize your solar performance?

Image: Commercial solar system cleaning, following an identification of 9% Soiling Ratio with Sensorless technology.

11/07/2025

Energy Performance Index-SAM (EPI-SAM) and Performance Ratio (PR) are widely used performance indicators that require the installation of weather sensors to monitor various environmental factors such as solar radiation, temperature, and wind speed. EPI-SAM calculates the energy yield of a PV system relative to its expected energy yield under standard test conditions. PR, on the other hand, measures the actual energy output of the system relative to its theoretical maximum output.

Energy Performance Ratio-Reg (EPR) is an alternative performance indicator that utilizes regression analysis to estimate the energy performance of a PV system based on historical energy data. Unlike EPI-SAM and PR, the EPR indicator does not require the installation of weather sensors, making it a more cost-effective and accessible option for financial and operational purposes. The main drawbacks of EPR is however the need for a substantial data history and insufficient accuracy.

09/07/2025

Solar power has become a crucial component in the shift towards sustainable energy, with photovoltaic (PV) installations being extensively utilized for generating electricity. Evaluating the efficiency of these solar PV systems is essential to guarantee maximum energy production and effectiveness.

Let's explore the details of solar performance metrics, concentrating on the pros and cons of using the Energy Performance Index-SAM (EPI-SAM) and the Performance Ratio (PR), both of which necessitate weather sensors, as opposed to the Energy Performance Ratio-Reg (EPI-Reg or EPR) metric.

Furthermore, recent innovations in solar performance evaluation methods are examined, including the incorporation of Sensorless technology developed by Soltell Systems, which allows for precise computation of the EPR metric.

02/07/2025

In 2024, the solar photovoltaic (PV) industry has once again exceeded expectations, with final figures revealing global installations of 574 GW, marking the most substantial annual growth in the sector’s history. This impressive expansion translates into the addition of over 9 million new PV systems worldwide.🔆

19/06/2025

Soiling from dust and dirt can reduce solar PV performance by over twenty percent within weeks across the Mediterranean and South-Eastern US states due to desert dust. In urban areas, rapid dust and soot buildup amplifies the issue.

Manual or automatic cleaning is key to restoring PV efficiency, with frequency depending on system size, tariff, and local soiling (e.g., dust, pollen, pollutants). Arid or polluted regions often need more intensive maintenance.

Traditionally, cleaning schedules for rooftop PV rely on guesswork, as costly soiling sensors require frequent calibration. However, Soltell's Sensorless technology, powered by Industrial IoT, accurately measures Soiling Ratio (SR) without any add-on hardware.

See Figure 1 (above): a comparison of daily, weekly, and seasonal cleaning shows linear soiling trends, underscoring the need for data-driven cleaning schedules.

Soltell enhances financials, optimizes maintenance and boosts efficiency. Interested? Let’s connect!

05/06/2025

Find Soltell Systems within the 2025 Israeli Energy Tech landscape!

Address

Herzliyah

Opening Hours

Monday	09:00 - 17:00
Tuesday	09:00 - 17:00
Wednesday	09:00 - 17:00
Thursday	09:00 - 17:00
Sunday	09:00 - 17:00

Telephone

+18056182380

Website

https://www.soltell.com/

Alerts

Be the first to know and let us send you an email when Soltell Systems posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Business

Send a message to Soltell Systems:

Shortcuts

Address
Telephone
Opening Hours
Alerts
Contact The Business
Claim ownership or report listing

Want your business to be the top-listed Engineering Company in Herzliyah?