EngiSphere icone
EngiSphere

Power to the People ๐Ÿ”Œ How Uniform Pricing is Revolutionizing Peer-to-Peer Energy Markets

: ; ; ;

Fairer, Smarter, and More Profitable Energy Sharing โšก with Dynamic Operating Envelopes (DOEs)

Published June 27, 2025 By EngiSphere Research Editors
Two Houses Connected to Power Grid ยฉ AI Illustration
Two Houses Connected to Power Grid ยฉ AI Illustration

The Main Idea

This research proposes a peer-to-peer energy market design using Dynamic Operating Envelopes (DOEs) to enable uniform electricity pricing across all users, ensuring fair trading while maintaining grid stability and maximizing social welfare.


The R&D

๐ŸŒž A New Dawn for Local Energy Trading

Imagine your rooftop solar panel producing more energy than you need. Instead of letting it go to waste, wouldn't it be amazing to sell it to your neighbor down the street, just like you'd share a basket of fresh tomatoes? ๐Ÿ… That's the dream behind peer-to-peer (P2P) energy markets โ€” communities trading clean, local energy among themselves.

But thereโ€™s a catch. โš ๏ธ

The electric grid isnโ€™t just a passive wire โ€” it has limits! Think of it like a highway with speed and weight limits. If too many people drive energy through the same line at the same time, it can overload โ€” or "break the rules" of voltage and thermal constraints. And guess what? That often leads to different prices depending on where you live, which can feel unfair. ๐Ÿ˜•

So how do we create a system that's both technically reliable and socially fair?

Thatโ€™s where this research paper steps in. ๐ŸŽ“ The paper proposes a novel market design that uses Dynamic Operating Envelopes (DOEs) to ensure uniform pricing for everyone โ€” regardless of their location on the grid.

๐Ÿงฉ Understanding the Energy Puzzle

In traditional energy systems, prices vary by location to reflect stress on the grid. Thatโ€™s known as locational pricing. Itโ€™s technically smart but socially tricky โ€” people living farther from substations often get higher prices. ๐Ÿ˜ฉ

To balance this, the researchers introduce DOEs โ€” limits tailored for each household, calculated to ensure everyone stays within safe operating limits of the grid.

Think of a DOE like a personal energy budget ๐Ÿงพ:

"You can inject or draw this much power today โ€” no more, no less โ€” and still keep the grid safe."

By assigning these tailored energy limits to each user, the system allows everyone to participate equally and still maintain grid stability.

๐Ÿค Enter: Peer-to-Peer Energy Markets

In this new system, prosumers (producers + consumers) can trade energy with each other using a single, uniform price. ๐Ÿ’ฐ No matter where you live on the grid, the price is the same. Fair and square!

But how?

  1. Each prosumer gets a DOE โ€” a dynamic budget of how much energy they can trade, calculated using grid physics.
  2. They receive a market price (same for all).
  3. They decide how much to trade, when to consume, and how to optimize battery usage, electric vehicle charging, etc.
  4. The grid operator ensures everyoneโ€™s actions stay within their DOEs โ€” keeping the grid safe without penalizing location.
๐Ÿ”„ Two Market Designs for Uniform Pricing

The researchers explore two versions of this fair trading system:

โœ… 1. Standard Uniform Pricing with DOEs

Each user follows their DOE and trades energy at a fixed price. This works well โ€” but it can be a bit rigid.

Sometimes, users canโ€™t fully use their DOE, or need a little extra. Soโ€ฆ

โ™ป๏ธ 2. DOE Limit Trading

This clever upgrade allows people to trade their unused DOE capacity. ๐ŸŽ‰

Say Alice can export 5 kW but only wants to send 3. Bob, meanwhile, wants to export 7 kW but is only allowed 5. Now, Bob can "buy" 2 kW of Alice's unused limit.

This system:

  • Makes better use of the grid ๐Ÿง 
  • Increases flexibility ๐Ÿ’ช
  • Creates another layer of micro-trading โ€” of energy and grid capacity! ๐Ÿ”„
๐Ÿ’ก But Does It Work?

To test their ideas, the researchers ran simulations using a modified IEEE 13-node test feeder โ€” a standard model used to represent neighborhood-scale electric grids. ๐Ÿงช

Hereโ€™s what they modeled:

  • 300 aggregators managing 12 homes each
  • Homes with solar panels, electric vehicles (EVs), and batteries ๐Ÿ”‹
  • Real-world data from Australiaโ€™s electricity provider, Ausgrid ๐Ÿ‡ฆ๐Ÿ‡บ
  • EV behavior and charging needs
  • Time frame: 24 hours, with decisions every 30 minutes ๐Ÿ•ฐ๏ธ

They compared three market setups:

  1. Locational Pricing (Old Way)
  2. Uniform Pricing with DOEs (New Way #1)
  3. Uniform Pricing with DOE Limit Trading (New Way #2)
๐Ÿ“Š Results: Uniform Pricing Wins! ๐Ÿฅ‡

โœ… Fairness: Everyone gets the same price, regardless of location
โœ… Social Acceptance: No one feels punished for their address ๐Ÿก
โœ… Grid Stability: No overloads โ€” voltage limits respected
โœ… Budget Balance: No money left on the table โ€” total trades sum to zero ๐Ÿ’ธ
โœ… More Income: Every aggregator earned $2.12 more on average compared to locational pricing
โœ… Flexibility: DOE limit trading helped overcome rigid limits, avoiding infeasible situations

Even when the system was under stress (like EVs all charging at once), the DOE trading allowed the market to operate smoothly โ€” something the rigid system without limit trading couldnโ€™t handle.

๐Ÿง  Key Takeaways
  1. Locational pricing is smart โ€” but not always fair.
  2. Dynamic Operating Envelopes (DOEs) let each user participate safely.
  3. Uniform pricing increases social trust and acceptance.
  4. Allowing DOE limit trading adds flexibility and efficiency.
  5. Grid operators can still maintain full control over safety constraints.
๐Ÿ”ฎ Future Prospects

This model opens the door to a future where local energy sharing becomes as common as online shopping. ๐Ÿ›๏ธ Here's what could be next:

๐Ÿ”„ Real-time DOE updates using AI and predictive analytics
๐ŸŒ Integration with national grids for hybrid locational-uniform pricing models
โ˜๏ธ Cloud-based DOE coordination for large-scale deployment
๐Ÿ”‹ Battery-as-a-service models where storage capacity is tradable
โš–๏ธ Policy integration for regulated markets and subsidies

With more renewable energy on the way, and EV adoption rising fast, these market models could turn neighborhoods into microgrids that are not just sustainable โ€” but financially rewarding. ๐Ÿ’ฐ๐ŸŒฑ

๐ŸŽฏ Final Thought

Uniform pricing in peer-to-peer energy markets isn't just an academic idea โ€” it's a practical, fair, and scalable solution for the green energy transition. ๐ŸŒ

With innovations like DOEs and smart market design, weโ€™re not just empowering the grid โ€” weโ€™re empowering people. ๐Ÿ”‹โžก๏ธ๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘งโ€๐Ÿ‘ฆ


Concepts to Know

โšก Prosumer - A prosumer is someone who both produces and consumes electricity โ€” like a homeowner with rooftop solar panels who uses some power and sells the rest. - More about this concept in the article "Smart Homes, Smarter Grids ๐Ÿก ๐Ÿ”Œ How Cloud Tech is Powering the Future of Residential Energy".

๐Ÿ”„ Peer-to-Peer (P2P) Energy Market - A P2P energy market is a system where people buy and sell electricity directly with each other, instead of through a big utility company.

๐Ÿ“‰ Locational Pricing - Locational pricing means the price of electricity depends on where you are in the grid โ€” farther from power sources usually means higher prices.

๐Ÿงพ Uniform Pricing - Uniform pricing means everyone pays (or earns) the same rate for electricity, no matter where they are on the grid.

๐Ÿ“ฆ Dynamic Operating Envelope (DOE) - A DOE is like a custom energy limit set for each home or building that tells you how much power you can use or sell without overloading the grid.

๐Ÿ”Œ Grid Constraints (Voltage/Thermal) - These are physical safety limits on the electricity grid โ€” like not letting voltage get too high or power lines get too hot โ€” to avoid damage or blackouts.

๐Ÿง  Social Welfare (in Energy Markets) - In this context, social welfare means the total benefit to all participants โ€” measured by comfort, savings, and efficiency in energy use.

โš–๏ธ Budget Balance - A market is budget-balanced when money going in equals money going out โ€” no hidden fees, profits, or losses for the system operator.

๐Ÿ”‹ Aggregator - An aggregator is a middle layer โ€” usually a company or software โ€” that manages energy for a group of users, like homes with EVs or solar panels.


Source: Zeinab Salehi, Yijun Chen, Ian R. Petersen, Guodong Shi, Duncan S. Callaway, Elizabeth L. Ratnam. Peer-to-Peer Energy Markets With Uniform Pricing: A Dynamic Operating Envelope Approach. https://doi.org/10.48550/arXiv.2506.19328

From: Australian National University; University of Melbourne; The University of Sydney; University of California, Berkeley; Monash University.

ยฉ 2025 EngiSphere.com