Power Reliability as Clinical Infrastructure

When the grid is part of the care plan

A growing share of serious medical care now happens at home rather than in a hospital. This is mostly good news. People recover better and live more independently in their own homes, and home-based care costs the system less. But it quietly rests on an assumption that rarely gets examined: that the electricity will stay on.

This primer is about what happens when that assumption fails. For a household managing a condition with electricity-dependent equipment, a power outage is not an inconvenience. It is a clinical event. The argument here is that grid reliability has become a piece of health infrastructure, that the risk falls hardest on the households least able to absorb it, and that the systems meant to protect these patients were built for an earlier era of care.

The equipment that needs power

The list of home medical devices that depend on continuous or scheduled electricity is longer than most people realize. Oxygen concentrators run continuously and draw a few hundred watts. Ventilators and respirators sustain breathing. Home dialysis machines run for hours at a time on a schedule patients cannot simply skip without medical consequences. Refrigerators keep insulin and other medications viable. Powered wheelchairs, feeding and infusion pumps, suction machines, and CPAP and BiPAP units round out a picture in which ordinary household power is doing medically essential work.

The accounts from real outages make the stakes plain. During power shut-offs tied to wildfire risk in California, utilities reported tens of thousands of customers with documented medical needs losing power. In past disaster reporting, a man woke unable to breathe when his sleep-apnea machine failed in the night, and a woman spent the night sitting up because her pressure-relief mattress deflated without power. These are not edge cases. They are the predictable result of attaching life-sustaining equipment to a grid that goes down.

The risk is concentrated, and the protections lag

Two features make this an equity problem rather than a general one.

First, the protections are uneven and largely voluntary. Federal rules require hospitals and facilities such as nursing homes to install and test backup power. They impose no equivalent requirement on the private home, even though that is increasingly where the medically fragile live. What exists instead is a patchwork of utility medical-baseline programs, which offer enrolled households lower rates and extra outage warning, and which often advise patients to buy their own backup generator. The advice to self-fund a generator lands very differently on a household with means than on one without.

Second, only a fraction of the people who rely on home medical equipment have any backup power at all, and the households least able to buy a generator or battery are the same ones most likely to live with unreliable power and to manage chronic conditions at home. The risk concentrates exactly where the resources to manage it are thinnest. Add the running electricity cost of the devices themselves, which for some common equipment reaches into the hundreds of dollars a year, and the same household faces both a reliability risk and an affordability burden from the equipment keeping it well.

Where clean and resilient energy meet

This is where resilient power has something concrete to offer health. Researchers studying outage-vulnerable patients have pointed toward battery storage, paired with on-site generation such as solar, as a quieter and safer alternative to the fuel generator. A battery does not require fuel deliveries, does not produce fumes indoors, and can carry a household's essential medical load through an outage. For the medically vulnerable, resilient distributed power is not an amenity layered on top of life. It is part of the infrastructure that makes home-based care safe.

The same logic extends to efficient heating and cooling. A home that holds its temperature without enormous energy draw, served by resilient power, is a home where a person dependent on a ventilator or a refrigerated medication is meaningfully safer when the grid wavers.

What this means for community health infrastructure

The practical questions here are not about devices. They are about coordination and information. Which households in a community depend on powered medical equipment? Who knows, and who is responsible when the power goes out? Today that knowledge is scattered across utility enrollment lists, clinical records, and the patients' own households, rarely connected, often missing the people who never enrolled.

A community that can see and govern this information, knowing where its electricity-dependent residents are and building the backup and notification arrangements before the storm, treats reliability as the clinical infrastructure it has become. That is squarely the kind of durable, governed coordination the Foundation works on: not a generator in one basement, but a standing way for a community to keep its most vulnerable members powered when the grid cannot be relied on alone.

References

1. Resilient Power: A home-based electricity generation and storage solution for the medically vulnerable during climate-induced power outages. ScienceDirect (2021). Federal backup-power rules cover facilities but not private homes; home medical devices include oxygen concentrators, nebulizers, ventilators, dialysis, and sleep-apnea machines. https://www.sciencedirect.com/science/article/abs/pii/S0016328721000161

2. It's Not Just the Lights. Outages Shut Off Medical Devices at Home. KQED (2024). California shut-offs affected tens of thousands of medical-baseline customers; utilities advise self-funded generators. https://www.kqed.org/news/11779153/its-not-just-lights-and-tvs-outages-shut-off-medical-devices-at-home

3. Columbia Climate School, State of the Planet. Home battery storage and outages (2021). Only a fraction of device-dependent individuals have backup power; researchers recommend battery storage paired with solar. https://news.climate.columbia.edu/2021/02/25/home-battery-storage-outages

4. PG&E. Medical Devices and the Medical Baseline Program. Outage guidance for ventilators, oxygen, dialysis, powered wheelchairs, and refrigerated medication. https://www.pge.com/en/newsroom/safety-action-center/emergency-preparedness/medical-devices.html

5. ADA National Network. Emergency Power Planning for People Who Use Electricity and Battery-Dependent Assistive Technology and Medical Devices. https://adata.org/factsheet/emergency-power

6. Understood Care. Medical baseline electricity programs. Citing an open-access analysis in Scientific Reports estimating annual operating costs for common home medical devices in the hundreds of dollars, with some exceeding $700/year. https://understoodcare.com/uc-articles/medical-baseline-electricity-programs-who-qualifies-and-how-advocates-help/