The 'Utility Death Spiral' Myth, Debunked — And What's Actually True About Going Solar

The "Utility Death Spiral" Myth, Debunked — And What's Actually True About Going Solar Today

Curious whether you qualify for California's Net-Billing rate plan? Check your eligibility and current CPUC rates at myhomesolution.org/california_public_utility_commissions.

For more than a decade, utilities and some policymakers have warned about a so-called "death spiral": as more homeowners install rooftop solar and reduce how much grid electricity they buy, utilities collect less revenue from those customers, forcing them to raise rates on everyone else, which pushes even more people toward solar, accelerating the cycle until the system supposedly collapses. It's a dramatic argument, frequently used to justify cutting net metering credits and slowing solar adoption. But how well does it hold up?

The Argument, in Its Strongest Form

The death spiral theory isn't baseless on its face. Utilities have large fixed costs — transmission lines, substations, billing systems — that don't shrink just because some customers use less grid power. If solar customers pay less toward those fixed costs while continuing to rely on the grid for backup and nighttime power, the argument goes, the remaining costs get spread across a shrinking pool of full-paying customers, raising their rates and creating a feedback loop.

What the Data Actually Shows

In practice, the predicted collapse hasn't materialized in California or in most other high-solar-adoption states. Investor-owned utility stock performance, credit ratings, and overall revenue have generally remained healthy even in markets with substantial rooftop solar penetration. Utilities continue to get large capital investments approved by regulators and continue to earn guaranteed returns on that growing rate base — the regulatory mechanism discussed in cost-of-service regulation continues functioning regardless of solar adoption levels. Curious whether you qualify for California's Net-Billing rate plan? Check your eligibility and current CPUC rates at myhomesolution.org/california_public_utility_commissions.

This doesn't mean the underlying cost-shifting concern is entirely imaginary — there is a legitimate policy debate about how fixed grid costs should be allocated between solar and non-solar customers. But the apocalyptic "spiral" framing has been used more as a rhetorical tool to justify specific policy outcomes — like reduced net metering credits — than as an accurate description of utility financial distress.

Why This Argument Gets Made Anyway

Reduced export credits for solar customers, like California's shift from NEM 2.0 to the Net Billing Tariff, generally benefit utility shareholders by keeping more electricity sales (and the associated guaranteed return) within the utility's own rate structure, rather than being offset by customer-generated solar power. The death spiral narrative provides useful political cover for these changes, framing them as system preservation rather than as a shift that happens to align with utility financial interests.

What This Means for Homeowners

None of this means solar adoption has zero impact on grid economics — it's a genuinely complex policy area. But homeowners evaluating whether to go solar shouldn't be swayed by dramatic utility-death narratives that the data doesn't strongly support. The decision should rest on the actual economics for your home: current electricity rates, solar and battery costs, available incentives, and how export credit rules are likely to evolve. Lower your electric bill by 50% without leasing, financing, or paying cash for solar.
The utility death spiral has been a powerful talking point for over a decade, but utility financial performance hasn't matched the doomsday predictions. Understanding the gap between the narrative and the data helps homeowners make a clearer-eyed decision about solar, based on their own numbers rather than utility messaging designed to discourage rooftop adoption.

Curious whether you qualify for California's Net-Billing rate plan? Check your eligibility and current CPUC rates at myhomesolution.org/california_public_utility_commissions.