Yves here. Green energy advocates have sometimes acknowledged that the US electrical grid needs to be upgraded. I have not seen that discussion normally including an admission that the grid also needs to be expanded to meet the demand of electric vehicles and other replacements for fossil-fuel-using devices.
What frustrates me about green energy discussions is the lack of system-wide discussions. This fact of the existence of this piece demonstrates that too many elements are being considered in isolation.
By Haley Zaremba, a writer and journalist based in Mexico City. Originally published at OilPrice
- While the U.S. clean energy sector is booming, the country’s energy grid will need to expand if it is to get the new energy supply to demand centers around the country.
- According to the U.S. Department of Energy, the country will need 47,300 gigawatt-miles of new power lines by 2035, amounting to a 57% expansion of the existing grid.
- As well as expanding the grid the existing grid needs to be improved, two tasks that will require a revamp of the current system of reviewing and approving energy grid projects.
In order to keep up with the expansion of renewable energy production capacity, the United States will have to more than double the current size of the electric grid. Stimulus from both the public and private sectors are hitting their intended mark, and the clean energy sector is booming. However, much of the potential environmental benefits of electrification will be completely wasted if we don’t have the power lines and grid capacity to transmit that power from where it’s being produced to where the demand is concentrated.
Meeting global climate goals requires a rapid and massive expansion of renewable energy production capacity. The urgency of this imperative is difficult to overstate; indeed, the United Nations has announced a code red for humanity. Building sufficient wind and solar farms to power the clean energy transition will require overcoming three major hurdles: finding enough land at an affordable price, building up the power grid to support the influx of electricity, and fixing the archaic and inefficient permitting process that governs these processes.
Mass-scale solar and wind farms require a whole lot of land, which means that these projects are increasingly pushing into rural areas where they often are not wanted. “Utility-scale solar and wind farms require at least ten times as much space per unit of power as coal- or natural gas–fired power plants, including the land used to produce and transport the fossil fuels,” McKinsey recently reported. “Wind turbines are often placed half a mile apart, while large solar farms span thousands of acres.” This poses a number of interconnected challenges to the spread of clean energy: competition over land, litigation and protests from the localities where these projects are planned, and once the project is finally complete, transmitting that energy all the way from the rural areas with space for solar and wind farms to the urban centers where it is needed.
To meet these needs, according to the U.S. Department of Energy, the country will need 47,300 gigawatt-miles of new power lines by 2035. That represents a 57% expansion of the existing grid. Meeting that goal will require a two-fold increase in the current rate of construction. The issue is not building materials or even labor – although that’s another challenge in and of itself. The real issue is the aforementioned glacial pace of the bureaucratic processes which underlie permitting and oversight of clean energy projects as well as grid expansion.
Building power lines alone is an enormous bureaucratic hurdle that can take years to gain approval. The average review of renewable energy projects takes about 3.5 years, but there are cases in which a single transition line took over a decade to be completed – in one particularly egregious example, the TransWest Express project took 18 years to get approved, and is expected to take another five years to be completed.
The grid doesn’t just need to be expanded, it also needs to be improved. The United States power grid is an aging and fractured system that will require major updates to bring it into the modern era and to prepare it for a massive influx of variable energy that it wasn’t designed to handle. A recent opinion piece in the New York Times argues that the best way to solve these overlapping problems is to remove all of the overlapping systems and institutions that are currently tasked with reviewing and approving these projects and giving this responsibility to a single entity at the Federal level. In doing so, the process can be streamlined and the grid itself can be more interconnected than before, providing important safety fallbacks if – or when – a part of the grid fails.
Fixing the presently nightmarish permitting and approval system will be integral to decarbonizing the United States economy, maintaining energy security across the country, and making sure that the efforts already underway to decarbonize the nation’s energy mix are not squandered. It’s great that wind and solar capacity are being added at a record-breaking rate, but it’s all a waste if, once completed, there’s no permit allowing them to plug into the grid – or if there’s no grid at all.