Energy & Utilities · Water & wastewater

How a regulated water company earns, the RCV machine

A water and wastewater company is a monopoly utility paid a regulated revenue set by Ofwat at each price review. The building blocks are the same as any regulated network: a return on the Regulated Capital Value (RCV) at an allowed cost of capital, plus recovery of depreciation (RCV run-off) and a totex allowance, adjusted by outcome incentives (ODIs) for leakage, supply interruptions and pollution. The RCV is inflation-linked and grows with investment. The case turns on the size of the RCV, the allowed return, and performance against Ofwat's targets.

£12bn
5.50%
+0.3%
LIVE
Return on RCV allowed return on the capital value Water flow treated & pumped through the network Depreciation & allowances run-off + ODI incentives Operating cost treatment & network totex
Flows, annualised from current assumptionsper year
Revenue p.a.
£0
£0 / hr
EBITDA p.a.
£0
0% margin
EBITDA / RCV
0%
RCV yield
Regulated capital value
£0bn
5.5% allowed return
Stocks, what the flows accumulate intolive
Return on RCV · session
£0
the regulated annuity
EBITDA banked · session
£0
accumulating in real time
Implied enterprise value
£0
at 12× EBITDA
Where revenue comes from Total £0 p.a.
Return on RCV
Depreciation & allowances
Why investors prize water: it is the archetypal defensive utility, an absolute monopoly on an essential service, paid an allowed return on an inflation-linked capital value with virtually no demand risk, which historically supported premium-to-RCV valuations and very high gearing. The value drivers are RCV growth (a huge investment need, mains renewal, storm overflows, new reservoirs, compounds the base) and ODI outperformance. The risks are real and topical: a tough price review can cut the allowed return, and missing outcome targets (leakage, pollution, spills) turns incentives into sizeable penalties.
Revenue streams£0 p.a.
Operating costs£0 p.a.
Investment case, should you buy it?DCF returns

Year-1 financials flow live from the simulation above: revenue £0 and EBITDA £0 p.a. Set your deal terms below, the unlevered IRR (asset return) and levered IRR (return to equity, after debt) recompute instantly.

Operating

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%
%
%
%
%

Valuation & hold

×
×
y

Financing

×
%
%
Unlevered IRR
—
asset / project return
Levered IRR
—
return to equity
Equity multiple
—
MOIC over hold
Equity gain
—
exit equity − invested
Equity cash-flow profile£m · ■ invested   ■ returned
Projection, £m per year

Illustrative model. Represents an Ofwat-style regulated water and wastewater company. Allowed revenue is built from regulatory building blocks: a return on the Regulated Capital Value (RCV × allowed return), regulatory depreciation (RCV run-off), a totex allowance, and an outcome-incentive (ODI) adjustment, positive or negative, shown as a percentage of RCV. Operating costs are the company's cash totex opex (modelled to run at the allowance), so EBITDA ≈ return + depreciation + ODIs. The RCV is inflation-indexed and grows with net investment, which the DCF captures through the RCV-growth input; water companies have historically traded at a premium to RCV and carried high gearing. EBITDA = allowed revenue − cash opex; excludes the periodic price-review reset of the allowed return. The investment case is a simplified DCF. For illustration only, not investment advice, and not any specific asset.