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North America / Commercial & demonstration

Brooklyn Microgrid on President Street Testing Blockchain-based P2P Energy Trading

Current status, energy mix, organizations, suppliers, equipment, controls, reported specifications, and project updates—with source-level citations.

CoverageDetailed public record
Named organizations6
System facts13
Sources reviewed12
Evidence reviewed2026-07-20

Brooklyn Microgrid was LO3 Energy's peer-to-peer local-energy trading pilot in Brooklyn, New York. Participants used custom meters and the Exergy blockchain platform to transact attributes associated with rooftop solar while electricity continued to flow over Con Edison's distribution system. A physical ten-block islandable microgrid was discussed, but public evidence documents a virtual marketplace pilot rather than a completed electrical island.

Research status
Pilot no longer operating by 2025. Public activity is documented from the first 2016 trades through a 2019 regulatory-sandbox effort; the project site stopped updating in 2019 and LO3's site later disappeared.
Historical classification
Community
Reported capacity
See component specifications
Coordinates
40.67188, -73.97085
Evidence note: “Every company” cannot be proven from public material alone. This page lists every organization found in the recovered record and reviewed sources, preserves unknown roles, and explicitly marks undisclosed controller or equipment details.
Report missing evidenceResearch methodology

Project delivery

Who was involved in Brooklyn Microgrid on President Street Testing Blockchain-based P2P Energy Trading?

6 publicly identified organizations. Where a recovered source named a participant without explaining its work, the role remains explicitly unspecified.

Organization

Brooklyn community participants

Prosumers and consumers using the pilot marketplace; LO3 described a 50/50 community-and-company ownership concept [7][9]

Organization

Con Edison

Distribution utility whose wires continued to carry participants' physical electricity [10][12]

Organization

ConsenSys

Co-developer with LO3 of the original TransActive Grid blockchain demonstration [8]

Organization

LO3 Energy

Project developer and operator; built the Exergy transactive-energy platform and custom participant metering [7][6]

Organization

Siemens

Technology collaborator and investor providing grid-management and data-analytics expertise; physical microgrid integration remained planned [6][7]

Organization

Transactive Grid

Publicly named participant; role not specified in the recovered record [1]

System evidence

Energy mix, capacity, and specifications

Values can describe different project phases, generation sources, storage systems, or other components. Source citations are attached to each figure so discrepancies remain visible.

Storage
NA [1]
Documented participant scale
More than 60 community members by December 2017; later reports described about 50-60 solar prosumers and roughly 500-750 participants or sign-ups, reflecting different dates and definitions [6][9][10]
Energy mix
Participating rooftop solar attributes plus ordinary Con Edison grid electricity; no verified central generation or storage capacity [7][12]
Planned physical footprint
A ten-block islandable microgrid serving community solar and critical facilities was proposed, but not shown in public sources to have been constructed [7]
2019 regulatory sandbox
Approved as a 12-month pilot anticipated to enroll about 200 participants trading energy attributes [11]

Controls and hardware

Equipment and controller details

Manufacturer and model are shown only when a source names them. Generic descriptions are not converted into guessed product assignments.

01

Transactive-energy platform

LO3 Energy — Exergy

Decentralized-ledger marketplace matching local bids and offers and tracking energy attributes [6][7]

02

Participant metering

LO3 Energy

Custom smart meter/computer packages recorded participant production and consumption for the blockchain marketplace [7][9]

03

Microgrid management

Siemens

Microgrid-management algorithms and grid-control integration were collaboration goals; LO3 said this physical integration had not yet been done in Brooklyn [7][6]

Technical record

Architecture, performance, and project updates

Concise technical facts, milestones, operating results, and later developments. Dated notes distinguish historical design claims from current evidence.

  • Trading design

    Users could bid according to price, fuel source, and other energy attributes through an application. Early transactions represented local solar value while financial settlement and actual power delivery still depended on conventional systems and Con Edison wires. [7][10]

  • Virtual versus physical microgrid

    The demonstrated system was a virtual peer-to-peer marketplace. Islanding a ten-block section to support a high school, medical facilities, and other critical loads was a future plan, not a documented completed capability. [7][12]

  • Regulatory constraint

    New York rules did not generally permit non-utilities to sell electricity directly. The 2019 sandbox therefore focused on trading energy attributes while regulators evaluated a broader framework. [11]

  • Outcome

    A 2025 Electrosuisse follow-up found the project had quietly ended: brooklyn.energy had not been updated since 2019, LO3's website was gone, and an early participant confirmed the marketplace was no longer operating. His solar array remained an ordinary Con Edison-interconnected system. [12]

  • Alias

    The first demonstration was also called TransActive Grid; later public materials used Brooklyn Microgrid and BMG. [8][6]

Provenance

12 sources

Primary owner, government, university, supplier, and engineering sources are preferred. Archived references preserve claims whose original pages moved or disappeared.

  1. [1]
    Recovered Microgrid Projects record

    Internet Archive · Archived source · captured 2021-04-20

  2. [2]
    Microgrid Media

    microgridmedia.com · Archived source · captured 2021-04-20

  3. [3]
    Blockchain-based Microgrid Tests P2P Energy Trading in Brooklyn

    microgridmedia.com · Archived source · captured 2021-04-20

  4. [4]
    TransActive Grid

    slideshare.net · Archived source · captured 2021-04-20

  5. [5]
    Read More

    microgridnews.com · Archived source · captured 2021-04-20

  6. [6]
  7. [7]
  8. [8]
  9. [9]
    Blockchain Enables New Power Market

    American Society of Mechanical Engineers · Secondary research

  10. [10]
  11. [11]
  12. [12]
    Energiewende in Brooklyn

    Electrosuisse Bulletin · Secondary research

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