Water Utilities as an Investment: A Defensive Sector with a Regulatory Ceiling and Real Potential

Water. Every day, without exception, without an alternative. And yet the water utility sector is one of the least followed among defensive investments — while offering exactly what investors look for in uncertain times: regular dividends, regulated industries and recession resilience.

Why water utilities are naturally defensive

Water utilities are natural monopolies. You cannot build two pipe networks leading to every home — the infrastructure is unique and duplicating it makes no economic sense. The state or regulator therefore sets permissible prices and the allowed return on capital for the sector. The result is a limited ceiling on profit — but also predictable and stable income.

Demand for water is practically inelastic: you do not drink less even in a recession. That differentiates water utilities from consumer, cyclical or technology sectors. In times of crisis investors regularly rotate into utilities and water companies.

American Water Works: the most important name in the sector

American Water Works (AWK) is the largest private water utility in the US. It supplies drinking water to approximately 14 million people in 24 states. It has consistently raised its dividend — more than 15 consecutive years with average annual growth of around 7–9 %. That is an exceptional track record in the utilities sector.

The company finances extensive infrastructure investment through debt and equity issuances. The regulator periodically approves tariff increases to cover rising costs. If the regulator approves a sufficient increase, the company prospers. If the regulatory environment is unfavourable, margins are under pressure.

Veolia: a global player in environmental services

Veolia Environnement (VIE) is the French giant that combines water utilities, waste management and energy services. It operates in dozens of countries and after the acquisition of Suez in 2022 significantly strengthened its market position. Veolia is defensive but adds the regulatory risk of different countries and ESG policy in diverse environments.

For a Czech investor Veolia is also interesting because it operates in Central Europe — it manages water infrastructure in the Czech Republic, Poland and other countries of the region. That adds a local context, even though the shares trade on the Paris stock exchange.

Xylem: water treatment and conveyance technology

Xylem (XYL) is a different type of water exposure. It does not distribute water — it manufactures pumps, sensors, analytical instruments and water treatment technologies. It has the character of an industrial technology company with a water focus. It grows faster than distribution companies but is also more cyclical.

Xylem is interesting for investors who want the technological solution to the water crisis — infrastructure modernisation, smart networks, more efficient treatment. It is a component of both PHO and CGW ETFs, but also of industrial ETFs.

ETF PHO, CGW and how they differ

Invesco Water Resources ETF (PHO) and Invesco Global Water ETF (CGW) are the best-known water ETFs. They contain a mix of distribution utilities (American Water), industrial technologies (Xylem) and environmental companies. They are not purely water utility ETFs — more a "water economy" in the broader sense.

PHO focuses on the US market, CGW is more global. Both have TERs of around 0.60 %, which is standard for thematic ETFs. Liquidity is lower than for broad-market funds — spreads can be wider, particularly for PHO.

• Water distributors (AWK, Essential Utilities): regulated business, consistent dividends, low growth
• Water technology (Xylem, Watts Water): higher growth, more cyclical, less dividend-focused
• Global operators (Veolia): geographical diversification, regulatory complexity

Water utilities are a solid defensive component for investors seeking portfolio resilience in a recessionary environment. They are not a return engine — they are insurance. The basic framework for building a portfolio with defensive components is covered in the first portfolio guide. This is not investment advice.

The water crisis as a structural thesis

Water scarcity is one of the few global topics that are both ecologically real and investably actionable. A quarter of the world's population lives in areas of high water stress. Climate change is worsening this problem. Ageing infrastructure in developed countries — the US estimates the need for water infrastructure investment of over a trillion dollars over the next two decades — creates secular investment demand.

That is the context in which water ETFs such as PHO or CGW make sense as a thematic component — not exclusively for their defensiveness, but for the structural investment story behind them. Companies such as Xylem or Roper Technologies, which manufacture analytical instruments and sensors for water networks, are essentially infrastructure technology — they do not correlate purely with utilities but with the capex cycle in infrastructure.

Comparison with electricity utilities: what water has in addition

Power utilities and water utilities are similar in many ways — both are regulated monopolies, both carry high debt, both pay stable dividends. The key difference: electricity is becoming increasingly commoditised with the expansion of renewables and decentralised production. Water has not yet. There is no home production of water, no simple import of it over a network the way electricity works. The water monopoly is therefore more resilient to disruption than electricity utilities.

An investor seeking defensive utilities with a lower disruption risk may prefer water over power for exactly this reason. Always compare utility dividends with current yields on risk-free bonds — if bonds offer comparable or higher yield at lower risk, utilities lose part of their appeal. This is the perennial debate among defensive investors — when do utilities add value and when are they just a seemingly safe path to modest returns? The answer depends on the interest rate phase, inflation and the length of the investment horizon, as the basic comparison in accumulating vs. distributing ETF also shows.

Privatisation vs. public ownership: political risk in the sector

In the Czech Republic the question of private vs. public ownership of water utilities is politically alive. Veolia has historically operated water infrastructure in part of the country, but municipal politics are pushing for greater control by municipalities. A similar dynamic exists in France, Spain and Argentina.

For an investor in water utility companies it is critical to monitor the regulatory environment in the countries where the company operates. Nationalisation or forced contract renegotiations are rare but not zero-probability risks, particularly in emerging markets. In the developed world the regulatory environment is more predictable, but political pressure on prices — the populist "water is a right, not a commodity" — can complicate the tariff increases needed for profitable operation of the infrastructure. Veolia and its presence in the Czech Republic are an example of how a global company must navigate local politics, media pressure and municipal priorities simultaneously — while still maintaining the financial results needed for shareholders in Paris. This complexity is part of the investment risk that the numbers in a prospectus do not always fully capture. An experienced sector investor reads not only financial statements but also regulatory documents and local political news in key regions of operation.