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A Lithuanian industrial site’s roughly 1 MWh battery created an average of about €1,960 per installed MWh in monthly electricity bill savings from April to July 2026, according to Inion Software CTO Robertas Janickas. The figure reflects day-ahead price optimization, not net profit or income from electricity markets; annual value remains unmeasured.
A battery at a Lithuanian industrial site created about €1,960 per installed MWh of capacity per month in electricity bill savings from April through July 2026, according to Inion Software CTO Robertas Janickas. The four-month result came from scheduling the battery around day-ahead electricity prices and on-site solar generation; it was not measured income from grid balancing or wholesale trading.
The example site has a solar installation and a battery with approximately 1 MWh of capacity and 0.5 MW of power, equivalent to roughly two hours of output at full power. It buys electricity at Lithuania’s Nord Pool day-ahead price, plus a supplier margin and network charge. During the period analyzed, the site received no payment for electricity exported to the grid.
Inion’s software charged the battery when power was cheaper or surplus solar energy was available, then discharged it when the site would otherwise buy electricity at a higher price. Monthly value ranged from €1,640 to €2,230 per installed MWh. Solar supplied about 43% of charging energy and the grid supplied 57%; the battery completed about 0.8 equivalent full cycles a day.
In July, the average price during charging was €0.070 per kWh, compared with €0.145 per kWh during discharge, a reported difference of about €75 per MWh. A second, similarly sized battery focused mainly on using more on-site solar under a grid export constraint. It created about €460 per installed MWh in July, illustrating how site conditions and operating strategy can affect results.
Site Conditions Shape Battery Savings
The two site results show why a battery’s rated power and capacity alone do not determine its financial value. Solar output, site consumption, export rights, electricity contract terms and network charges all affect when stored electricity can be used and what costs it can offset. In the reported examples, the second system’s July value was roughly one-quarter of the first system’s.
The results are relevant to businesses weighing storage investments, but they do not establish a general return for Lithuanian batteries. The first site’s value came from avoiding higher-priced purchases; it did not include payments for exports or participation in balancing markets. Inion says discharged energy represented 93% to 97% of charged energy across the batteries it measured, and that these efficiency losses are included in its calculations.
The reported value is also not net profit. Degradation, financing, fixed network charges and possible trading or aggregation fees were excluded. Actual earnings after those costs could differ, and the report does not give a complete project payback calculation.
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Four Months of Price Optimization
The reported results cover April through July 2026, a spring and summer period. Inion says its software scheduled charging against day-ahead prices while also accounting for available solar surplus at the main industrial site. The figures measure the resulting value to the site’s electricity bill.
Multiplying the four-month average by 12 yields an indicative figure of about €23,500 per installed MWh per year, according to the report. That is a simple extrapolation, not a measured annual result: the available data do not cover a full year, and seasonal prices and solar generation may change the outcome. The reported value also excludes possible intraday trading and balancing service revenues.
Inion said the batteries in this dataset had not yet participated in FCR, aFRR or mFRR balancing markets, so the report cannot provide a measured revenue split for those services. The company’s platform can exchange data for offers in those markets, but that capability is separate from demonstrated market earnings.
““Our experience in Lithuania shows why there is no one-size-fits-all solution.””
— Robertas Janickas, CTO at Inion Software
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Annual Returns Remain Unmeasured
It is not yet clear what the battery would save over a full year, because the data cover only April to July. The report provides no measured revenue from balancing services or wholesale trading, and does not quantify the omitted costs needed to calculate net profit. It also does not provide enough detail to determine how representative either site is of other Lithuanian industrial users.
Execution reliability may also affect value. Inion reports that controllers typically confirm a command within 0.5 to two seconds, but the median actual power response was 39 seconds; the slowest 10% of observed responses took up to 11 minutes. The report says response times vary by battery manufacturer and requested transition, with slower cases often occurring when units wake from idle or return to idle. Those figures describe the systems observed and do not establish response performance for every battery.
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Metering and Market Access Ahead
For owners considering similar systems, the report points to accurate metering, a tested control connection and an electricity contract suited to the battery’s intended use as practical starting points. Inion says metering errors it encountered have changed calculated battery value from negative to significantly positive after correction, underscoring that data quality can affect assessments.
Participation in balancing markets may require aggregation. In Lithuania, the report says balancing offers start at 1 MW and use 1 MW increments, while commercial and industrial batteries are commonly rated at 0.1 to 0.5 MW. Individual assets may therefore need to join a larger portfolio. Whether these batteries later enter those markets, and what they earn if they do, remains unknown.
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Key Questions
How much value did the main battery create?
Inion reported an average of about €1,960 per installed MWh per month in electricity bill savings from April to July 2026. Monthly results ranged from €1,640 to €2,230 per installed MWh.
Was that battery market revenue?
No. The reported figure measures value against the industrial site’s electricity bill from day-ahead price optimization. The site was not paid for exported electricity during the period, and the batteries in the dataset had not participated in balancing markets.
Does the report show net profit?
No. It excludes costs including battery degradation, financing, fixed network charges and possible trading or aggregation fees. The reported value should not be treated as net profit.
Is €23,500 per MWh a measured annual result?
No. It is an indicative annual figure created by multiplying the four-month average by 12. The data cover only April to July, so a full-year result has not been measured.
Why did another site report a lower result?
The second, similarly sized battery was used mainly to increase on-site solar consumption while operating under a grid export constraint. It created about €460 per installed MWh in July; the report says export rights, tariffs, site conditions and operating strategy can all affect value.
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