Back to overview

Bundling instead of single-asset risk: a familiar principle for wind power

Anyone who puts their money into a single share carries the full fate of that one company. That is exactly why broadly diversified index funds have become so popular: they bundle many holdings and smooth out the swings of any single one. This principle can be applied to a very different field – the continued operation of wind turbines.

The problem of the single turbine

A single ageing wind turbine is a concentrated risk. A gearbox failure, a weak wind year or an unplanned repair hits immediately and in full. For the operator this means a high dependency on one location, one unit, one weather pattern.

The principle of diversification

When many turbines at different locations are considered together, the picture changes. If one turbine is temporarily out of service, the others keep going. Weak wind in one region can be balanced by better conditions in another. Maintenance costs are spread across a larger whole instead of burdening a single site.

Why this resembles the ETF idea

The core idea is the same as with a broadly diversified fund: it is not the individual position that decides, but the interplay of many. The goal is not the maximum upside swing, but a more stable overall picture with less dependency on any single case.

Knowledge, not an offer

This article explains a general economic principle. It is expressly not investment advice and not an offer to participate. Whether and how such an approach can be implemented in an individual case depends on many personal factors and belongs in a personal conversation with qualified guidance.

Learn more

Go deeper with our whitepaper on wind-power repowering.

Get the whitepaper