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SOLAR POWER SATELLITE SYSTEMS AND ISSUES - CHAPTER VIII: ENVIRONMENT AND HEALTH

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Authors not listed · 1981

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Government recognized microwave radiation health risks from space-based power systems decades before today's wireless technology boom.

Plain English Summary

Summary written for general audiences

This 1981 government report examined solar power satellite systems, which would beam microwave energy from space to Earth for power generation. The study addressed health and environmental concerns about exposing populations to microwave radiation from these proposed orbital power stations. This represents early recognition that space-based microwave power transmission could pose electromagnetic radiation risks to humans.

Why This Matters

This government report from 1981 shows that concerns about microwave radiation exposure weren't limited to terrestrial sources like early cell phones and radar systems. Solar power satellites would have beamed concentrated microwave energy through the atmosphere to receiving stations on Earth, potentially exposing millions of people to continuous low-level microwave radiation over vast areas. The fact that government agencies were studying health effects four decades ago demonstrates long-standing awareness that microwave exposure poses legitimate biological concerns.

While these satellite systems were never deployed, the report's existence highlights how microwave radiation health effects have been a consistent scientific and policy concern across different proposed technologies. Today's 5G networks, WiFi systems, and wireless devices operate in similar microwave frequency ranges, making this historical perspective on microwave exposure risks particularly relevant to our current electromagnetic environment.

Exposure Information

Specific exposure levels were not quantified in this study.

Study Details

To outline the environmental and health impacts of SPS systems which are currently thought to be the most important, identify research needs, and highlight areas of controversy.

The environmental effects of SPS systems have been evaluated most fully for the reference system. Preliminary comparative assessments indicate that in general, the health and environmental impacts of the reference system SPS which can presently be quantified, would be no more severe than other large scale electricity generating technologies. In fact, in the case of coal, SPS would be an order of magnitude cleaner. However, much more study and research would be required before decisions could be made regarding the environmental viability of SPS.

Cite This Study
Unknown (1981). SOLAR POWER SATELLITE SYSTEMS AND ISSUES - CHAPTER VIII: ENVIRONMENT AND HEALTH.
Show BibTeX
@article{solar_power_satellite_systems_and_issues_chapter_viii_environment_and_health_g4626,
  author = {Unknown},
  title = {SOLAR POWER SATELLITE SYSTEMS AND ISSUES - CHAPTER VIII: ENVIRONMENT AND HEALTH},
  year = {1981},
  
  
}
No DOI on file for this study.

Quick Questions About This Study

Solar power satellites would collect solar energy in space and beam it to Earth as concentrated microwave radiation. Large receiving stations would convert this microwave energy back into electricity for the power grid.
Officials recognized that beaming microwave energy from space to Earth could expose large populations to electromagnetic radiation. They needed to assess potential health and environmental risks before deploying such systems.
The microwave beams would pass through the atmosphere, potentially exposing people in transmission corridors to continuous low-level microwave radiation over large geographic areas surrounding receiving stations.
No, these orbital microwave power systems were never deployed. Technical challenges, costs, and likely health concerns prevented their development, though the concept continues to be studied today.
Both use similar microwave frequency ranges, but solar satellites would have provided continuous area-wide exposure rather than the intermittent, localized exposure from cell phones and WiFi devices we experience today.