# MidAmerican Energy Nuclear Decommissioning Trust

MidAmerican Energy Nuclear Decommissioning Trust is a Trust / Investment Trust based in Des Moines, United States.

## Overview

- **Organization type:** Trust / Investment Trust
- **Headquarters:** Des Moines, United States
- **Region:** North America
- **Address:** Des Moines, IA, United States
- **Assets under management:** Undisclosed
- **Website:** www.midamericanenergy.com
- **LinkedIn:** https://www.linkedin.com/company/midamerican-energy

## Regulatory record

- **Reports private funds:** No

## About

MidAmerican Energy Company serves 829,000 electric customers in Iowa, Illinois and South Dakota, and 803,000 natural gas customers in Iowa, Illinois, Nebraska and South Dakota.

## Sectors

- Energy Transition & Renewables
- Infrastructure
- Nuclear

## People

- Gretchen Kraemer — Senior Attorney

## Questions

### What is the specific purpose of the MidAmerican Energy Nuclear Decommissioning Trust?

The trust exists solely to fund the eventual decommissioning of the Quad Cities Nuclear Power Station, in which MidAmerican Energy holds a 25% stake. It is a regulatory-mandated vehicle that collects and invests ratepayer contributions over the plant's operating life. The accumulated capital will be drawn down to safely dismantle the facility and restore the site once the plant ceases operations.

### How is the trust governed, and who oversees its investment decisions?

The trust operates under strict oversight from the Nuclear Regulatory Commission and state utility commissions. Senior Attorney Gretchen Kraemer handles regulatory filings for the trust. The specific board composition or external investment managers are not publicly disclosed, but the investment mandate is constrained by rules prioritizing capital preservation and liquidity to match the decommissioning liability.

### What is the relationship between this trust and Berkshire Hathaway Energy?

MidAmerican Energy Company is a direct, wholly-owned subsidiary of Berkshire Hathaway Energy. Consequently, the trust operates under the Berkshire Hathaway Energy corporate umbrella, though it is legally ring-fenced from the parent's general finances. The trust's funding comes from electric customers, not from a direct allocation of Berkshire's corporate capital.

### Does the trust make direct investments in nuclear energy or infrastructure projects?

No. The trust does not invest in operating energy assets or project finance. It holds financial securities—such as bonds and equities—to generate investment income that, alongside annual ratepayer contributions, will cover a fixed future cost. It is a funding vehicle, not an active direct investor in energy infrastructure.

## Related profiles

- [MicroVest Capital Management](https://altss.com/profile/microvest-capital-management)
- [Midana Capital](https://altss.com/profile/midana-capital)

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Last updated: 2026-06-03T20:00:00.000Z

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