Industry overview
The Sewerage sector across Germany comprises approximately 2,226 enterprises employing about 45,524 people and generating €11.6 bn in net turnover in 2018. The average enterprise size is – employees per firm. This is a useful yardstick when assessing whether your own operation sits within the typical scale band of the sector.
Profitability
With a robust operating margin of 38.9% of revenue in 2018, the sector reports €4.5 bn of gross operating surplus (Eurostat's EBITDA-equivalent, before depreciation). This figure provides the headline benchmark against which an individual operator can sanity-check their own bottom line, values significantly below indicate cost or pricing pressure, those above suggest competitive advantage worth defending.
Cost structure
The Sewerage cost mix is reasonably balanced: cost of revenue at 38.1%, personnel at 22.6% and energy at – of turnover. Without a single dominant cost driver, margin management requires attention across the full operating envelope rather than focus on any one line.
Trend & trajectory
Over the period 2008 to 2018 the operating margin moved from 7.0% to 38.9% (+31.9 percentage points), an encouraging upward trajectory. Sectors with stable or improving margins tend to reflect successful pass-through of input costs and disciplined capacity management; declining margins typically point to either over-supply or a structural cost squeeze that warrants strategic review.