Lithuanian-based Inion Software, a specialist in renewable energy monitoring, has launched a free calculator to solve one of the most debated questions in today’s energy market: if and when does a solar-plus-storage system actually break even? By turning complex variables into clear, actionable insights, the tool helps homeowners and businesses avoid overspending on capacity they might not even need.
From Generation to Grid Management
The European renewable energy market has reached a tipping point. It’s no longer enough to simply generate electricity; the real value now lies in how efficiently you manage it.
According to Dr. Robertas Janickas, CTO of Inion Software, energy storage is rapidly evolving from a niche “tech-enthusiast” upgrade into a mainstream necessity. He points to three key drivers:
- Beating Market Volatility: When wholesale electricity prices bottom out, feeding surplus energy back into the grid is a losing game. Storage allows users to “bank” that power and use it when market prices spike, insulating them from unfavorable price swings.
- Arbitrage and Direct Savings: The ability to charge a battery when market rates are at their lowest—or even negative—and discharge it during expensive peak hours is a direct way to slash energy bills.
- The New Standard: Lithuania is quickly catching up with Western European trends, where standalone solar systems are becoming a rarity. A battery is no longer a “luxury add-on”; it is the engine of a truly profitable hybrid system.
The Buyer’s Dilemma: Finding the Sweet Spot
Despite the clear benefits, making the final call is often a headache for producers: what capacity do I need? Will it actually save me money, or even turn a profit?
“Trying to manually calculate the ROI of a hybrid system is nearly impossible when you factor in fluctuating market prices and individual consumption patterns,” says Janickas. “Without professional-grade tools, buyers are often forced to take a leap of faith based on a salesperson’s pitch, risking investment in equipment that doesn’t fit their profile.”
Data-Driven Decisions for Free
This is where Battcalc.com comes in. The free Lithuanian tool generates a customized payback roadmap by analyzing solar capacity, battery size, and specific consumption habits.
“We wanted to provide an unbiased alternative to ‘back-of-the-napkin’ math,” Janickas explains. “Our calculator crunches the complex data for you, delivering a clear verdict: is the investment worth it, how long is the payback period, and what is the optimal storage capacity for your specific needs?”
Put the numbers to the test at: https://www.battcalc.com