Banding Together: How Aggregation Helps Cities Buy Renewables at Scale
By Yuning Liu & Mia Reback
In March 2021, 24 local governments in Maryland joined together on a plan to purchase enough renewable energy to power more than 246,000 homes a year. They did this by issuing a joint request for proposal (RFP) through the Baltimore Regional Cooperative Purchasing Committee (BRCPC) to seek a supply of up to 240,000 MWh of renewable energy starting in 2022. This large-scale transaction was made possible by an energy procurement approach known as energy aggregation, which is a way for two or more buyers to purchase electricity from a utility-scale generation facility.
According to the new Intergovernmental Panel on Climate Change (IPCC) report, greenhouse gas emissions (GHGs) must peak within four years to limit global warming to 1.5°C, and cities have a critical role to play in meeting that target. Aggregation can be a powerful way for cities to rapidly increase their renewable energy and help decarbonize local economies at the necessary speed and scale. Yet most cities have not pursued aggregation due to an inadequate understanding of its novel deal structure and a lack of tools and resources to help streamline the process.
Aggregation can be a powerful way for cities to rapidly increase their renewable energy and help decarbonize local economies at the necessary speed and scale.
To help cities overcome these barriers, last year the American Cities Climate Challenge Renewables Accelerator, an initiative co-led by RMI and World Resources Institute, began organizing a Large-Scale Renewables Aggregation Cohort. This cohort provided technical assistance to more than 30 organizations, including the BRCP. A second iteration of the cohort is now underway with a new group of organizations. In addition, a newly released RMI report, Procuring Large-Scale Renewables through Aggregation: A Guide for Local Governments aims to help more cities understand and pursue aggregation.
As more and more cities take actions to decarbonize the electricity system, aggregation will be an increasingly important option that can provide buyers with several advantages, such as opening doors for smaller cities, creating positive network effects, and unlocking more cost savings.
Enabling Smaller Buyers to Access Large-Scale Projects
Aggregation can enable participation from smaller cities that, on their own, are not able to purchase enough electricity to warrant the attention from developers. This is particularly important for smaller communities with 100 percent renewable energy goals, as most municipalities cannot supply 100 percent of their electricity needs with on-site solar generation alone. Therefore, a utility-scale, off-site procurement will be an essential component of many smaller buyers’ decarbonization strategy.
One instance of a small buyer accessing large-scale renewables projects is a 25 MW joint solar purchase completed by MIT, Boston Medical Center (BMC), and Post Office Square (POS) in 2016. In this aggregated deal, MIT committed to buy 73 percent of the power generated by the new array, with BMC purchasing 26 percent and POS purchasing the remainder.
“Entering into a renewable power purchase agreement was our next step, but our consumption is too small to do it alone,” said Pamela Messenger, general manager of Friends of POS. “It is exciting to join forces with two industry leaders, allowing us to mitigate 100 percent of our electricity footprint.”
Similarly, other smaller local governments have also used aggregation to gain access, such as five local governments in Maine. They teamed up for the state’s first multi-town renewables project, a 4 MW solar array, which provides climate benefits equivalent to more than 4,000 acres of forests.
Without pooling the electricity demand with other buyers, smaller cities would not be able to access utility-scale projects on their own, making it difficult to reduce their carbon emissions efficiently.
Creating Knowledge-Sharing Opportunities
By joining together, cities can not only aggregate their buying power but also pool their knowledge to streamline procurement processes. The shared experience among participants can generate positive network effects, including increased mentorship, increased credibility, and support for inexperienced buyers.
For example, the City of Nashville partnered with Vanderbilt University last year to purchase electricity from a 125 MW solar project as part of the Tennessee Valley Authority’s Green Invest program. This public-private partnership allowed the city to leverage the expertise of the University’s Large-Scale Renewable Energy Study Advisory Committee to identify the best risk mitigation strategy.
According to Susan R. Wente, interim chancellor of Vanderbilt University, “We want this partnership to serve as a model of collaboration that other organizations within our region and beyond can replicate to make long-term, lasting changes to protect our shared environment.” In fact, the connections formed within the aggregation group have garnered national media attention and are sending a powerful signal to utilities, policymakers, and developers that local governments are serious about rapidly decarbonizing the electricity system.
In addition, a group of buyers can also share external lawyers, accountants, or consultants. For instance, 15 Pennsylvania municipalities and public entities, which also participated in the Renewables Accelerator’s Large-Scale Renewables Aggregation Cohort, have teamed up to investigate the viability of investing in a joint solar deal. The 15 entities issued a joint RFP for energy consultants in May 2021 to share external advisory services.
Unlocking More Cost Savings
Throughout the collaborative process, aggregated deals can produce various cost savings because they enable cities to achieve greater economies of scale by combining the renewable energy demands of multiple buyers.
For example, a National Renewable Energy Laboratory analysis estimates that procuring 100 MW of solar instead of 5 MW can reduce development costs by 24 percent. This can lead to cost savings in the form of lower power purchase agreement prices for all buyers, regardless of size.
In another case, the company Enel X, which is working with the BRCPC on a joint purchasing strategy, found that renewable energy projects typically must be over 20 MW in size to be economical. The company discovered that aggregation is one way for smaller buyers to participate in large projects.
In Florida, 12 cities joined together to form the Florida Municipal Solar Project. They are developing 372.5 MW of zero-emissions energy capacity, enough to power 75,000 Florida homes. According to Jacob Williams, CEO and general manager of the Florida Municipal Power Agency, “By working together, our cities are able to provide clean power to their communities in a cost-effective way.” Clint Bullock, Orlando Utilities Commission general manager and CEO, explained, “We can leverage the economies of scale to bring the price of solar down to a point where a dozen municipal utilities can afford to sign on and I believe this is something people around the country will take notice of.”
Better Together
As more cities set goals to transition to renewables, aggregation is democratizing clean energy access by enabling participants, especially smaller buyers, to collectively develop significantly larger renewables projects than any one buyer would be able to access individually. The partnerships can create positive network effects through knowledge sharing and inspire other organizations within the region to replicate the collaboration model. By unlocking more cost savings, aggregated deals provide a lower-cost mechanism for cities to achieve climate goals efficiently.
The new IPCC report underscores the urgency of decarbonizing the electricity system and reducing GHGs. To play their part, cities need to increase the pace and scale of renewable energy procurement. Although aggregation is still a relatively underutilized procurement method, this approach is crucial to help them do that.
Procuring Large-Scale Renewables through Aggregation: A Guide for Local Governments helps walk local governments through the aggregated procurement process step-by-step and links to other key tools and resources relevant to each stage.
Cities must act now to curb greenhouse gas emissions. The best path forward involves engaging all actors and ensuring a more promising economic structure for a wide array of purchasers. In the battle against climate change, it is better to aggregate than to go it alone.
Article courtesy of RMI.
File this under “wishful thinking” if you want, but a fresh trademark filing for the Buick Electra name could mean that the storied nameplate is set for a return to US shores.
GM Authority reports that Buick parent company General Motors has renewed its trademark for the Buick Electra name in the US in a filing from 09DEC2025 with the United States Patent and Trademark Office (USPTO), and received an assigned serial number 99538079. The application carries a Goods and Services of, “Motor land vehicles, namely, automobiles.”
Electra a nameplate that holds a long history with the near-luxe Buick brand and has generally been believed to be one that’s especially relevant to Buick’s electrification strategy in the US. That’s a notion that seems especially true when you consider the following two facts:
- the Buick Electra nameplate is already featured on a number of hugely successful GM products being sold in the ultra-competitive Chinese market
- 2027 is the fortieth anniversary of the Buick Grand National, and GM’s marketers are way too smart to let that moment slide
It’s worth noting, of course, that this most recent renewal for the Buick Electra trademark is a long, long way from a confirmation of a new all-electric Buick for the US market and even further from a confirmation that we’re getting the hot, sexy Electra GM sells in China. If anything, it’s likely just a matter of course legal thing that GM needs to protect its IP in China while, at the same time, preventing some kind of disastrous Sierra Mist scenario from playing out at home (which– yeah, I get that it’s not true, but you got the idea).
That said, I want to believe.
Electrek’s Take
I’m a huge fan of GM, GM’s EVs, and the way Mary Barra has managed the General over the past several years. I also think a big, sexy sedan is sorely missing from GM’s lineup, and the fast, flashy electric sedan formula might play better at the Buick store than at the Cadillac brand.
Combine that with an overwhelming desire to see a new-age Buick Grand National parked in my garage next Christmas and you can see that I’m not to be trusted. So, what say you? Head on down to the comments and let us know what you think of an American Electra revival just in time for the 2027 model year.
SOURCE | IMAGES: GM Authority; GM.
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Heavy equipment giants Caterpillar have signed an agreement with Vale that will see the company dramatically expand its fleet of autonomous haul trucks deployed at iron ore operations in the Carajás region of Brazil over the next three years.
Vale’s Northern System mining operation currently has 14 CAT, 320-ton autonomous haul trucks in service. With this new deal, sold by Caterpillar’s Brazilian dealer, Sotreq, the autonomous haul truck fleet will expand to some ninety (!) of the massive, self-driving trucks by 2028. The big yellow trucks will be operated by CAT®, MineStar™ Command for hauling, and ship with a payload capacity of between 240 to an almost unimaginable 400 (!!) tons.
“We’re proud to introduce Cat Command for hauling at Vale’s Carajás site,” says Marc Cameron, Senior Vice President at Caterpillar. “By equipping Vale’s haul trucks with our autonomous technology, we will be delivering scalable solutions that meet their needs across a mixed fleet.”
CAT says this new deal represents, “a transformational leap,” citing the fact that autonomous trucks remove workers from hazardous areas and enable safer and more inclusive environments for mine employees – and more efficient operations for Vale.
That fact is backed by results from other Vale operations that have deployed large numbers of autonomous vehicles, which saw gains of up to 15% in operational performance and a 7.5% reduction in fuel use (more with electric drive), contributing to the reduction of the company’s carbon emissions. And, because this is end-stage capitalism 2025, they’re crediting AI for discovering those efficiencies.
“By integrating autonomous systems, artificial intelligence, and advanced data analysis, we are modernizing our mining operations in the Northern Corridor, becoming a global benchmark in smart mining, promoting the transformation of the industry, and connecting us to international best practices,” says Rafael Bittar, Vale Vice President, Technical.
The trucks will be delivered over the next three years, and are expected to be in full operation and up to speed by 2030.
Electrek’s Take
As I’ve said before, EVs and mining to together like peanut butter and jelly. In confined spaces, the carbon emissions and ear-splitting noise made by conventional, ICE-powered mining equipment can create dangerous circumstances that can lead to serious injuries (or worse), and that’s just going to make it even harder for a mining operation to keep people working and minerals coming out of the ground.
By working with companies like Caterpillar to prove that forward-looking electric equipment can do the job as well as well as (if not better than) their internal combustion counterparts, Vale will go a long way towards converting what’s left of the ICE faithful.
SOURCE | IMAGES: Vale, Caterpillar.
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Electric medium-duty startups Motive and Workhorse have logged millions of miles across their customer fleets — and by joining forces, they’re out to prove, once and for all, that electric vehicles can get the job done.
Following shareholder votes last month, Ohio-based Workhorse and San Francisco-based Motive are merging to form one of the largest commercial electric vehicle and last-mile delivery telematics solutions companies in the industry.
The all-stock transaction, announced last week, values the combined company at approximately $105 million and is expected to close in the fourth quarter of 2025, subject to Workhorse shareholder approval.
Under the terms of the agreement, Motiv’s controlling investor will become the majority owner with approximately 62.5% of the combined company, while Workhorse shareholders will maintain a significant equity stake of approximately 26.5%.
The move is intended to combine Workhorse’ manufacturing capabilities and nationwide dealer network with Motiv’s proven product portfolio and existing fleet relationships to serve the growing $23 billion medium-duty truck segment with a full range of Class 4-6 electric vehicles that plays to the strengths of both companies while, at the same time, proving them with economies of scale they’ll need to survive the next wave of fake “the EV market is dead” headlines.
“Bringing together two leading OEMs in the medium-duty space strengthens our ability to reduce the cost of electric trucks and make the total cost of ownership even more compelling,” said Scott Griffith, CEO of Motiv, who will lead the combined company. “We believe this is a coming-of-age moment — not just for Motiv and Workhorse, but for the industry as a whole.”
The companies anticipate a minimum of $20 million in cost synergies by the end of 2026 through reductions in redundant R&D, G&A, and facility costs (and, of course, the associated layoffs).
Workhorse’s Union City facility has the capacity to eventually produce up to 5,000 trucks per year — a significant manufacturing scale for the merged operation and light years ahead of what Motiv’s existing facilities can crank out.
“This transaction represents a significant milestone for Workhorse, our customers, our stakeholders and our shareholders,” Rick Dauch, CEO of Workhorse and advisor to the new, combined company told FreightWaves. “We believe Motiv is the right partner to support the advancement of our combined product roadmap and capture new growth opportunities.”
The new, combined electric box van company will being life with 10 of the largest medium-duty fleets in North America as existing customers, and hopes to expand their line of offerings into the electric bus and RV markets in the years to come.
Electrek’s Take
Workhorse and Motive can spin this merger however they like — but this move is as much about survival in the new, incentive-lite era of Trump 2 than it is about anything else. That doesn’t mean it’s not a smart move, as each of the parts of this new whole has eliminated a very strong competitor while, at the same time, gaining all at least some of their best features.
As cynical as I am about corporate consolidation and layoffs (especially during the holidays), I can’t help but think this could be a winning move.
SOURCE | IMAGES: Workhorse; via FreightWaves.
If you’re considering going solar, it’s always a good idea to get quotes from a few installers. To make sure you find a trusted, reliable solar installer near you that offers competitive pricing, check out EnergySage, a free service that makes it easy for you to go solar. It has hundreds of pre-vetted solar installers competing for your business, ensuring you get high-quality solutions and save 20-30% compared to going it alone. Plus, it’s free to use, and you won’t get sales calls until you select an installer and share your phone number with them.
Your personalized solar quotes are easy to compare online and you’ll get access to unbiased Energy Advisors to help you every step of the way. Get started here.
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