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Derek Eder

@derekeder.com
2K followers 828 following 131 posts

Civic tech builder in Chicago. Partner at DataMade, President Emeritus at Chi Hack Night & Oak Park Village Trustee. Entrepreneur, developer, civic technology leader, climate advocate and public servant. he/him

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Derek Eder @derekeder.com · 29/09/2026
A great weekend for meeting with residents and collecting petition signatures to get on the ballot for April 6! I've collected 635 signatures, meeting the minimum required to get on the ballot. I'll keep going and turn in the maximum allowed. Thank you to all my petition gathering volunteers!
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Derek Eder @derekeder.com · 23/09/2026
Amazing news from our neighbors in Berwyn: they have cancelled their contract with Flock! I voted to cancel Flock in Oak Park last year. Since then many other municipalities have followed suit.
📣BERWYN FLOCK CAMERA UPDATE!
Tonight, Mayor Lovero announced an Executive Order to shut down and cease operations for all Flock cameras in our community, effective immediately!
The Mayor declared there are no reports of misuse by the Berwyn Police Department, ceasing operations with Flock is a proactive decision on his end. 
The City of Berwyn will continue to find a way to support public safety while protecting Berwyn residents.
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Derek Eder @derekeder.com · 18/09/2026
ilsolarmap.com UPDATE: In the last 4 months, 783 MW of solar across 6,605 projects have been energized in the State of Illinois, bringing the total to 7,340 MW.
Illinois Solar Map showing the state of Illinois census tracts with solar deploymentsA chart showing cumulative MW of solar energized and planned over timeEnergized projects by category
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Derek Eder @derekeder.com · 28/08/2026
Thanks @icstars-chicago.bsky.social for having me at the iOpener conference! Here's me giving my talk "We Don't Have to Build the Panopticon: Curtailing Surveillance at the Local Level" about voting to cancel Flock in Oak Park.
Derek Eder speaking at a podiumDerek Eder speaking at a podiumDerek Eder speaking at a podium to an audience
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Derek Eder @derekeder.com · 28/08/2026
Caught the blood moon (lunar eclipse) through my telescope last night
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Derek Eder @derekeder.com · 20/07/2026
For specifics on the Oak Park Inclusionary Housing Ordinance, I am in agreement with this proposal, but more details will need to be ironed out drive.google.com/file/d/1fVbD...
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Derek Eder @derekeder.com · 27/05/2026
New data for ilsolarmap.com In the last 3 months, an additional 892 MW of solar have been energized in Illinois, bringing the total to 6,557 MW. Despite the expiration of the 30% Clean Energy Tax Credit in 2025, solar projects continue to be deployed across the state at a record pace.
solar installations by census tract in Illinoissolar deployment in megawatts through 2030solar deployments by category
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Derek Eder @derekeder.com · 11/03/2026
Hail from last night in Oak Park, IL
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Derek Eder @derekeder.com · 07/11/2025
Nov 7, 2025: since 8:30am, the same helicopter (N911VH) owned by the Cook County Sheriff has been buzzing over Oak Park and other western suburbs, presumably to do traffic enforcement. Sheriff Dart, I know you love the ticket revenue this generates, but this is really terrorizing our residents.
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Derek Eder @derekeder.com · 05/11/2025
Last night, the Village of Oak Park passed ICE Free Zones 7-0, modeled after the City of Chicago, Evanston and our Township Full legislation: oak-park.legistar.com/LegislationD...
AMENDMENT ONE:
Section 13-7-1 (“Definitions”) of the Village Code is amended to add the following additional
definition:
STAGING AREA: An area used to assemble, mobilize, and deploy vehicles, equipment,
or materials, and related personnel, for the purpose of carrying out civil immigration
enforcement operations.
AMENDMENT TWO:
Section 13-7-5 (“Civil Immigration Enforcement Actions; Federal Responsibility”) of the Village
Code is amended to add the following new Subsection 13-7-5.E:
No Village-owned and controlled parking lot, vacant lot, garage, or other Village-owned
property may be used as a staging area, processing location, or operations base for the
purpose of civil immigration enforcement. The Village Manager is authorized to: (a)
make physical improvements to Village-owned properties to implement the restrictions
in this Subsection 13-7-5.E, (b) post signage on Village-owned property to implement
the restrictions, and (c) provide private property owners with signage, at no cost, to
delineate the non-public areas of private property on which owners may desire to
restrict activities related to civil immigration enforcement, which owners may post at
their own discretion and at their sole risk.1. The regulations in this Subsection 13-7-5.E do not apply to Village-
owned property which is subject to an existing lease, license agreement, or other usage
agreement to which the Village is a party and is not intended to, and may not be
interpreted to, interfere with any such lease or agreement.
2. The regulations in this Subsection 13-7-5.E do not prohibit the lawful
use of Village-owned property for purposes other than a staging area, processing
location, or operations base for civil immigration enforcement, nor do the regulations
restrict any person or entity from carrying out functions unrelated to those purposes on
such property.
3. Nothing in this Subsection 13-7-5.E may be construed as restricting or
interfering with the execution of lawful judicial warrants or the enforcement of criminal
law, nor as limiting the rights of any person or entity under state or federal law.
Section 3. Severability and Repeal of Inconsistent Ordinances. If any section, paragraph,
clause or provision of this Ordinance is held invalid, the invalidity thereof will not affect any of the other
provisions of this Ordinance. All ordinances in conflict herewith are hereby repealed to the extent of such
conflict. This Ordinance will take effect upon passage and may be published in pamphlet form by the Office
of the Village Clerk.
Section 4. approval and publication as required by law.
Effective Date. This Ordinance will be in full force and effect after its passage,
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Derek Eder @derekeder.com · 23/10/2025
they're back again. Oct 23, 2025
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Derek Eder @derekeder.com · 18/10/2025
#NoKings in Oak Park, IL
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Derek Eder @derekeder.com · 08/10/2025
At first I thought it was operated by ICE or CBP, but nope! The helicopter N911VH is registered with the Cook County Sheriff's Office just last month: registry.faa.gov/aircraftinqu...
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Derek Eder @derekeder.com · 08/10/2025
Since 7am this morning, a helicopter has been flying in circles around Oak Park, Broadview, Maywood and Forest Park: www.flightradar24.com/data/aircraf...
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Derek Eder @derekeder.com · 03/10/2025
I was at the Broadview ICE facility this morning and witnessed firsthand local and state officers assisting ICE in violation of the Illinois TRUST act
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Derek Eder @derekeder.com · 20/08/2025
here's the list of clean energy incentives expiring: opcan.org/updates/what...
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Derek Eder @derekeder.com · 11/06/2025
Timeline cleanse: DataMade has a new website!
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Derek Eder @derekeder.com · 22/05/2025
A project I wrote 10 years ago is on the home page of hacker news? CSV to HTML Table: everything old is new again news.ycombinator.com/item?id=4405...
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Derek Eder @derekeder.com · 08/03/2025
Congratulations to Illinois for reaching 4 gigawatts of solar! As of Mar 8, 2025, 4,235 megawatts (MW) of solar have been energized in the State of Illinois. ilsolarmap.com
A map of IL census tracts showing how much solar is deployed in kilowattstable showing energized projects by category. 67% utility scale, 14.4% small DG, 9.6% large DG, 9% community solarcumulative MW of solar energized and planned in Illinois over time
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Derek Eder @derekeder.com · 13/02/2025
Latest update from ilsolarmap.com IL now has a total of 3,978 MW of solar operating capacity! In the last 2 months alone, 1,379 MW have come online thanks to several large utility-scale projects including Double Black Diamond in Sangamon county and Maple Flats in Clay county
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Derek Eder @derekeder.com · 20/11/2024
Last harvest from our garden for the year! First freeze is finally coming to Chicago tonight (Nov 20th)
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Derek Eder @derekeder.com · 12/06/2024
Full house tonight at #chihacknight for Bike Lane Uprising! chihacknight.org/events/2024/...
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Derek Eder @derekeder.com · 29/05/2024
Illinois Solar Map is now showing planned projects! Now showing: ☀️ 2,286 MW of operating solar (blue) 🚧 5,625 KW planned or under construction (purple) Explore by tract, county, place or state district ilsolarmap.com#/?status=pla...
map of Illinois counties showing energized (left) vs planned (right) kW of solar
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Derek Eder @derekeder.com · 02/05/2024
ILSolarMap.com has been updated through April. Illinois now has 2,286MW (up by 110MW since January) across 61,909 projects.
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Derek Eder @derekeder.com · 07/02/2024
ilsolarmap.com has been updated! IL is now has 2,176 megawatts of solar, up from 1,800 in November. A 20% increase!
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Derek Eder @derekeder.com · 13/12/2023
Kicking off the last #chihacknight of 2023 with Amethyst Davis from the Harvey World Harold chihacknight.org/events/2023/...
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Derek Eder @derekeder.com · 18/09/2023
Another fun fact: the top 5 State Senate Districts and top 5 State House Districts for solar installed are all represented by Republicans #cejaworks
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Derek Eder @derekeder.com · 18/09/2023
Fun fact: the highest concentration of small solar projects in the state is in Northwest Illinois. Solar energy generated in Northwest Illinois is deliverable to customers in Chicago and the relative affordability of land there makes it a great economic opportunity. #cejaworks
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Derek Eder @derekeder.com · 18/09/2023
Since 2016, the amount of solar installed in Illinois has increased 40-fold #cejaworks
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Derek Eder @derekeder.com · 18/09/2023
There are nearly 35,000 solar projects throughout the state, ranging in size from a single 0.6 kW solar panel to the 200,000 kW (200 megawatts) Prairie Wolf Solar project in Coles County #cejaworks
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Derek Eder @derekeder.com · 18/09/2023
As of May 2023, at least 1.62mw of operating solar capacity have been installed in the State of Illinois For comparison, Prairie State, the State’s largest coal plant, is 1.63mw, illustrating just how far we've come in a few years, but still how far we have to go #cejaworks
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Derek Eder @derekeder.com · 11/09/2023
Chicago Councilmatic now has much improved meeting pages! Video archives are embedded if available and the agenda now links directly to ordinances and list out sponsors. Here's how it looks for July's last Chicago City Council meeting: chicago.councilmatic.org/event/city-c...
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Derek Eder @derekeder.com · 12/07/2023
Kicking off #chihacknight no 548 with Preeti Shankar and Paul Esling from the Center for Neighborhood Technology (CNT)
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Derek Eder @derekeder.com · 14/06/2023
Kicking off Chi Hack Night no 545! Tune in live here chihacknight.org/events/2023/06/13/…
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Derek Eder @derekeder.com · 13/06/2023
personal update: the last gas appliance (our clothes dryer) has been electrified. SHUTTING OFF GAS SERVICE! our home is now fully electrified :)
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Derek Eder @derekeder.com · 13/06/2023
Excited about tonight's Chi Hack Night presentation: Budburst - an app for doing environmental citizen science! chihacknight.org/events/2023/06/13/… Tune in tonight at 6:30p CT
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Derek Eder @derekeder.com · 08/06/2023
Look at me! I’m at Media Party Chicago with Chi Hack Night and Jenn Brandel!
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