Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
ERG SpAMIL:ERG +0.53%78 Net-Net Working Capital is €0.00 as of Mar. 2026. GuruFocus rates MIL:ERG with a GF Score™ of 78/100 and a GF Value™ of €24.49 (Fairly Valued). The stock has 5 warning signs investors should review. Among 64 Utilities - Independent Power Producers companies, ERG SpA ranks worse than 1562498.44% on this metric.
In calculating the Net-Net Working Capital (NNWC), Benjamin Graham assumed that a company's accounts receivable is only worth 75% its value, its inventory is only worth 50% of its value, but its liabilities have to be paid in full. In addition, Graham believed that preferred stock belongs on the liability side of the balance sheet, not as part of capital and surplus. This is a conservative way of estimating the company's value.
ERG SpA's Net-Net Working Capital for the quarter that ended in Mar. 2026 was €0.00.
The industry rank for ERG SpA's Net-Net Working Capital or its related term are showing as below:
MIL:ERG's Price-to-Net-Net-Working-Capital is not ranked *
in the Utilities - Independent Power Producers industry.
Industry Median: 6.765 * Ranked among companies with meaningful Price-to-Net-Net-Working-Capital only.
ERG SpA (MIL:ERG) Net-Net Working Capital Explanation
One research study, covering the years 1970 through 1983 showed that portfolios picked at the beginning of each year, and held for one year, returned 29.4 percent, on average, over the 13-year period, compared to 11.5 percent for the S&P 500 Index. Other studies of Graham's strategy produced similar results.
Benjamin Graham looked for companies whose market values were less than two-thirds of their net-net value. They are collected under our Net-Net screener.
ERG SpA Net-Net Working Capital Related Terms
ERG SpA Net-Net Working Capital Historical Data
* Premium members only.
The historical data trend for ERG SpA's Net-Net Working Capital can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
ERG SpA Net-Net Working Capital Competitor Comparison
For the Utilities - Renewable subindustry, ERG SpA's Price-to-Net-Net-Working-Capital, along with its competitors' market caps and Price-to-Net-Net-Working-Capital data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
ERG SpA Price-to-Net-Net-Working-Capital vs Utilities - Independent Power Producers Industry
For the Utilities - Independent Power Producers industry and Utilities sector, ERG SpA's Price-to-Net-Net-Working-Capital distribution charts can be found below:
* The bar in red indicates where ERG SpA's Price-to-Net-Net-Working-Capital falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
In calculating the Net-Net Working Capital (NNWC), Benjamin Graham assumed that a company's accounts receivable is only worth 75% its value, its inventory is only worth 50% of its value, but its liabilities have to be paid in full.
In addition, Graham believed that preferred stock belongs on the liability side of the balance sheet, not as part of capital and surplus. In "Security Analysis", preferred stock is dubbed "an imperfect creditorship position" that is best placed on the balance sheet alongside funded debt.
This is a conservative way of estimating the company's value.
What does a Net-Net Working Capital of €0.00 mean?
ERG SpA (MIL:ERG) has a Net-Net Working Capital of €0.00 as of Mar. 2026. Ben Graham defined net-net working capital as the per-share sum of cash, 75% of receivables and 50% of inventory less total liabilities. View historical data on ERG SpA According to the industry distribution chart, ERG SpA ranks #999999 out of 64 companies in the Utilities - Independent Power Producers industry.
Is ERG SpA's Net-Net Working Capital too high?
ERG SpA's current Net-Net Working Capital is €0.00. Based on the distribution chart, ERG SpA ranks #999999 out of 64 companies in the Utilities - Independent Power Producers industry, which is in the bottom quartile relative to peers. Overall, ERG SpA has a GF Score™ of 78/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does ERG SpA's Net-Net Working Capital compare to competitors?
According to the Utilities - Independent Power Producers industry distribution chart, ERG SpA ranks #999999 out of 64 companies for Net-Net Working Capital. This places ERG SpA in the lower half of its industry. The industry median Net-Net Working Capital is 6.77. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Net-Net Working Capital for an Utilities - Independent Power Producers company?
The median Net-Net Working Capital among Utilities - Independent Power Producers companies is 6.77, based on 64 companies in the industry. Companies in the top quartile (top 25%) have a Net-Net Working Capital significantly above this median, while those in the bottom quartile fall well below. However, Net-Net Working Capital should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Net-Net Working Capital mean?
A high Net-Net Working Capital can signal that a stock is expensive relative to its fundamentals. Ben Graham defined net-net working capital as the per-share sum of cash, 75% of receivables and 50% of inventory less total liabilities. View historical data on ERG SpA For the Utilities - Independent Power Producers industry, the median Net-Net Working Capital is 6.77 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. ERG SpA's current Net-Net Working Capital is €0.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is ERG SpA stock overvalued right now?
Based on GuruFocus' analysis, ERG SpA (MIL:ERG) is currently considered Fairly Valued. The stock's GF Value™ is €24.49, compared to a current price of €22.96 — trading 6.2% below its estimated fair value. The current Net-Net Working Capital is €0.00. ERG SpA's overall GF Score™ is 78/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Net-Net Working Capital calculated?
Net-Net Working Capital is calculated from a company's financial statements. For ERG SpA (MIL:ERG), the current Net-Net Working Capital is €0.00 as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is ERG SpA (MIL:ERG) Overvalued in 2026?
Based on GuruFocus' analysis, ERG SpA stock appears to be undervalued.
The current stock price of €22.96 is trading 6.2% below its estimated GF Value™ of €24.49.
GuruFocus considers ERG SpA to be Fairly Valued.
Key valuation signals for MIL:ERG:
Net-Net Working Capital: €0.00
GF Value™: €24.49 vs. price of €22.96 (6.2% below fair value)
No single metric tells the full story. See the MIL:ERG stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
ERG SpA produces electricity from clean, renewable, and sustainable sources. Its energy comes from the combination of natural resources such as wind and sun. The company produces wind power, and electricity as a hydroelectric operator to markets across Europe. Electricity is also generated from natural gas operations located in Italy. ERG's wind power production is handled by subsidiary ENG Renew which focuses on developing, building, and operating wind assets. Hydropower and natural gas operations are split off into ERG Power Generation. The company's hydro assets include plants, dams, reservoirs, and a pumping station. Electricity from the plant is either fed into Italy's national grid or used to power other industrial plants.
78GF Score
Get the complete analysis for MIL:ERG
Net-Net Working Capital is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
MIL:ERG has been successfully added to your 
