UPS systems produce a very small part of the emissions from a data center, but operators are being very inventive in ways to reduce them

With electric power grids stressed, and long-term energy supplies in question, data centers may find themselves making more use of diesel backup power in the coming months

On-site solar and wind are growing, but can cell sites ever be independent of the grid at scale?

Here’s how to get reliable energy data - and why we badly need it

As exascale system power requirements reach tens of megawatts, on-premise facilities are becoming less feasible

New to these parts? Start here for the basic introduction

Data center diesels don’t have to run on fossil fuels. There’s a recycled product on offer

What’s next for energy efficiency metrics in the data center industry?

We talk to the former Norwegian politician who wants to make sure that energy doesn’t get wasted

There’s a major shift happening in server hardware, and it’s emerged from a surprising direction: the humble network card

Could the answer to a stable grid be literally all around us?

Could waste data center energy be stored by lifting concrete blocks?

A handful of companies have data centers at feeding on oil well gas flares. Do their environmental claims stand up?

Data centers need a steady source of power, with no greenhouse emissions. Could nuclear power be the answer?

Long-term deals from large suppliers might insulate operators from the worst for now, but for how long?

Chips are getting hotter, racks are getting denser. We need to start building the data center of tomorrow

We ask Equinix why it is using fuel cells as an alternative to the once-reliable US grid

Can backup generators switch to vegetable-based oil, and go green without compromising operations?

As data centers evolve, their backup technologies are open to question

Whether strawberries, cabbage, or cannabis, indoor farms are increasing in number. Will they soon start competing for the same space and power as data centers?

A record storm and a failing grid knocked out America’s second-largest state. But data centers prevailed. We hear the stories of those that were there

Batteries will power the next decade, but companies need to ensure that their supply is as sustainable and ethical as they claim

Despite the increased efficiency of battery power and renewable energy, data center operators still have diesel generators out back. That may be changing

Cloud giant Microsoft is experimenting with hydrogen fuel cells as a replacement for diesel backup and, potentially, much more