Google's new 1.9GW clean energy deal includes massive 100-hour battery

Core Insights - Google is establishing its first data center in Minnesota, powered by 1.9 gigawatts of clean energy, including a significant 300-megawatt battery from Form Energy [1][2] Group 1: Data Center and Energy Sources - The new data center will be located in Pine Island, approximately one hour southeast of Minneapolis [1] - Google is collaborating with Xcel Energy to develop 1.4 gigawatts of wind power and 200 megawatts of solar power, which will support Form's battery [2] Group 2: Battery Technology - Form Energy's battery is designed to deliver power for 100 hours, making it the largest battery in the world at 30 gigawatt-hours, enabling extended clean energy operation for the data center [2] - Unlike conventional lithium-ion batteries, Form's batteries utilize a rusting and deoxidizing process of iron to store energy, which is a novel approach in the industry [3][4] Group 3: Cost and Efficiency - Form's iron-air batteries are less efficient than lithium-ion batteries, with a delivery efficiency of 50% to 70%, compared to over 90% for lithium-ion [5] - However, the cost of storage using Form's technology is projected to be significantly lower, at $20 per kilowatt-hour, which is at least three times cheaper than lithium-ion batteries [5] Group 4: Regulatory and Utility Framework - The project introduces a new utility fee structure in Minnesota aimed at facilitating the adoption of clean technologies while complying with regulatory requirements [7] - Google has previously implemented a similar concept in Nevada, allowing utilities to take on projects that may be deemed risky by regulators, with Google covering additional costs to protect regular ratepayers [8] Group 5: Current Developments and Funding - Form Energy's first battery installation is underway in Minnesota, with a capacity of 150 megawatt-hours, capable of sending 1.5 megawatts to the grid at peak performance [9] - The company has raised $1.4 billion to date, indicating strong investor interest in its innovative battery technology [9]