Expert warns data centers are straining Florida’s power grid amid summer heat

Florida’s decision to pass legislation providing regulatory certainty for data center investment represents sound economic policy for a state competing aggressively for high-wage, high-capital industries. FPL CEO Scott Bores made the stakes clear on a recent earnings call: the law passed in May gives companies planning multibillion-dollar investments the predictability they need to commit to the Sunshine State. In a global market for data infrastructure, regulatory uncertainty is a dealbreaker. States that move quickly and clearly win jobs, tax revenue, and economic diversification.

The argument that data centers strain the grid proves too much. Every major economic development strains the grid in the short term — that is an argument for building out generation and transmission capacity, not for turning away investment. Florida has been adding solar and battery storage rapidly, and the state’s utility infrastructure has historically expanded to meet industrial demand. Framing grid strain as a reason to slow data center growth is like opposing hospitals because they use a lot of electricity.

The ratepayer protection provision at the heart of the new law is especially important. Rather than allowing utilities to socialize data center infrastructure costs across all residential customers — a longstanding concern in other states — Florida’s legislature drew a line. That kind of structural guardrail is exactly what good policymaking looks like: attract the investment, protect ordinary consumers, let the market work.

Florida is already competing with Virginia, Texas, and Georgia for data center development, and those states are not slowing down. Momentum matters in this industry. A data center that breaks ground in Georgia this year is not coming back to Florida in five years. The state made a reasonable, forward-looking call, and the private sector response — demonstrated by FPL’s own pipeline of customer conversations — suggests it is working.

The enthusiasm from FPL’s CEO about data center investment should be read carefully against its backdrop: a quarterly earnings call, where executives speak to shareholders, not ratepayers. When Scott Bores described the new state law as giving multibillion-dollar investors “certainty,“ he was advertising Florida’s business climate to Wall Street. That is his job. But the interests of institutional investors in NextEra Energy are not the same as the interests of a retiree in Alachua County paying a utility bill through a Florida summer.

Kerry Duggan’s warning — grounded in her experience advising on federal energy policy — points to a real and documented phenomenon. Data centers are among the most power-hungry facilities ever built, with large campuses consuming as much electricity as small cities. Virginia, which became the world’s largest data center hub, is now grappling with grid reliability problems and rate pressure that its regulators did not fully anticipate when the buildout began. Florida is a state where summer peak demand already pushes the grid hard. Adding concentrated loads of this scale without rigorous independent analysis of grid capacity is not a technicality — it is a public safety question.

The framing of the new law as “ratepayer protection” deserves scrutiny. Protecting ratepayers from paying for data center connection infrastructure is one thing; it says nothing about what happens to wholesale electricity prices, reserve margins, or the cost of grid upgrades made necessary by aggregate demand growth. If Florida must accelerate transmission buildout to serve data centers and that cost is spread across rate cases, residential customers bear it regardless of how the original connection costs are classified.

Heatwaves like the one Florida is experiencing now are not anomalies — they are the baseline. The question is not whether data centers should ever operate in Florida, but whether the state has done the serious, independent modeling needed to understand how this concentration of demand interacts with climate-driven peak load events. Rushing to offer certainty to investors before that analysis is complete is a choice that ordinary Floridians — not the shareholders on that earnings call — will ultimately pay for.