Google has placed its largest-ever bet on clean energy, announcing a solar-and-battery project in Arkansas that will dwarf its previous renewable investments. The move creates a stark contrast with xAI, which operates unpermitted gas turbines just 40 miles south of the same region, highlighting two diverging strategies for powering the AI boom. Main Developments Google has committed to purchasing the entire output of the first two phases of the Steel River Energy Center in Arkansas, adding 1 gigawatt of solar capacity and 1.9 gigawatt-hours of battery storage to its portfolio. The company is also investing in the project alongside developer Cypress Creek Energy, which has secured $3.5 billion in financing for those initial phases. When fully built out in three phases, the facility will be the largest solar installation in the United States, with a total capacity of 1.8 gigawatts of solar and 2.9 gigawatt-hours of battery storage. The third phase is scheduled to connect to the grid in 2029. Located about 30 miles north of Memphis, Tennessee, the plant will supply power around the clock by pairing panels with large batteries. Read also: 4 Revelations From the Suno Hack: YouTube Scraping and Data Breach Details Google said the first two phases alone will generate enough electricity to meet roughly 6% of Arkansas's peak power demand. The electricity will flow directly into the regional grid, offsetting consumption from Google's data centers and helping the company match its electricity use with clean power on an hourly basis. Background About 40 miles south of the Steel River site, xAI operates the Colossus data center, which is powered by nearly 60 natural gas turbines running without federal clean air permits, according to a Reuters report. Pollution from that unpermitted plant has disproportionately affected predominantly Black neighborhoods in Mississippi. Elon Musk, xAI's founder, has doubled down on gas despite leading Tesla, a company that manufactures solar panels and grid-scale batteries. Musk recently purchased APR Energy, a project developer that specializes in modular natural gas power plants, suggesting he plans to continue that fuel strategy. Google itself has not entirely avoided natural gas. The company partnered with Crusoe to build a 933-megawatt gas plant in West Texas, though that project has been an exception in Google's predominantly clean-energy portfolio. The Steel River project represents a return to form for the search giant, which has historically relied on renewables to expand its power supply. Why It Matters The juxtaposition of Google's solar investment and xAI's gas expansion illustrates a critical fork in the road for AI infrastructure. Data centers for training and running large language models consume enormous amounts of electricity, and the choices companies make today will shape regional grids, pollution patterns, and carbon emissions for decades. Google's hourly clean-energy matching requirement is a particularly stringent standard that could accelerate deployment of hybrid solar-plus-storage plants — facilities capable of delivering carbon-free power 24/7. If other hyperscalers follow Google's lead, the Steel River model could become the template for sustainable AI growth. Conversely, xAI's approach — running gas turbines without permits in communities already burdened by pollution — raises regulatory and environmental justice questions that could invite federal scrutiny. The contrast between the two projects, separated by only 40 miles, makes the policy stakes geographically concrete. What's Next Construction on the first two phases of Steel River is underway, with Cypress Creek's $3.5 billion in financing already secured. The third and final phase is slated to come online in 2029. Google will continue to purchase the entire output as each phase is completed. Given the speed at which the project is being deployed — nearly 2 gigawatts of solar capacity in three years — Google is likely to pursue additional large-scale renewable-plus-storage deals. For xAI, the immediate question is whether federal regulators will act on the unpermitted gas plant or whether Musk's acquisition of APR Energy signals an intent to scale that model further.