All of the energy Nvidia is buying is now from renewable sources, the GPU maker has said.

In its recently published Fiscal year 2025 Sustainability report, covering the last 12 months, Nvidia said all of the energy it purchased during this period was from renewable sources, on-site solar generation, or purchased fuels. The company set itself a 2025 100 percent renewable energy target in 2023.

“In FY25, we increased the amount of our renewable electricity use to 100 percent for offices and data centers under our operational control, achieving our target. Our renewable electricity sourcing includes on-site renewables and purchasing utility renewable electricity tariffs, energy attribute certificates, and purchase power agreements,” the company said in the report. “We are exploring additional options to increase our sourcing of renewable energy for our growing footprint.”

According to Nvidia, its energy use in FY2025 totaled 821,200MWh, up more than 200,000MWh on 2024. It purchased 779,316MWh of renewable energy during that time and generated 818MWh with on-site solar. Some 41,066MWh of fuels were purchased.

Details of any energy deals the company has signed weren’t shared. In FY2023, Nvidia said data centers were responsible for 63 percent of its total energy usage, and claimed it had secured renewable power for several colocation data centers, both in the US and globally.

A separate report notes that liquefied petroleum gas (LPG), natural gas, and distillate fuel oil (including renewable distillate fuel oil) were used at leased and owned facilities (excluding third-party data center facilities). Nvidia said it uses on-site renewable electricity generation systems to support its operations in the US and India.

The previous year, Nvidia bought 419,980MWh of renewable energy and 134,287MWh of non-renewable electricity, equating to a 76 percent renewable energy percentage. For FY2023, that figure was 44 percent.

As a result, the company’s reported Scope 2 GHG Emissions dropped from 40,555 metric tons of CO2 (MT CO2e) to zero.

Despite that decrease, however, the company’s Scope 1 and 3 emissions increased. Scope 1 emissions increased from 11,896 MT CO2e to 12,952 MT CO2e.

Scope 3 emissions jumped from 3.5 million MT CO2e to 6.9 million MT CO2e; the biggest increase was ‘purchased goods and services’, which increased by around 2.8 million MT CO2e.

Elsewhere in the report, Nvidia noted that it was introducing closed-loop liquid cooling systems across its data centers to "reduce water usage and improve cooling efficiency,” though a similar statement was also in its FY2024 report.

“These systems circulate an engineered fluid— typically a mixture of propylene glycol, water, and corrosion inhibitors—within a sealed loop, eliminating the need for evaporative cooling and significantly reducing water consumption,” the company noted.

The GPU designer noted it recycled 335 metric tons of electronic waste in FY2025, up from just 58 tons the previous year.

Water withdrawal for the period rose to 409,814 cubic meters, up from 382,636 m3 the year prior. Water consumption also increased to 141,772 m3, up from 134,219 m3 previously.

Nvidia has not set a carbon-neutral target date.

Other companies, including the likes of Amazon, have announced similar achievements around buying 100 percent renewable energy for their data centers, but critics have questioned the quality of some of the offsets.