Documented cases

What already works,
and why

Nine cooperatives and European regulatory frameworks with forty years of track record, and the community projects Colombia already has in operation. With their figures, their gaps, and their failures.

0 European cases analyzed
0 Colombian projects documented
0 reference countries
Where they are

Case map

Six of the nine European cases have a declared location in the source. The other three are not organizations but national frameworks, and are not placed on the map.

Three cases that do not appear on the map

This is not an oversight: they have nowhere to go. Energie Samen is a national federation representing 702 cooperatives spread across 89% of Dutch municipalities. Postcoderoos / SCE and the Danish Model are not organizations but national regulatory frameworks. Placing a pin on a capital city would mean inventing a location the source does not declare.

The Colombian projects have their own map on the Colombia Cases page, where three of the 31 are also unmapped, for the same reason.

The nine cases

Explore by country

Each case is analyzed with the same structure: history, governance, scale, financial model, impact, and lessons for Colombia.

Illustrative photo: aerial view of solar panels over a meadow
Netherlands - Federation

Energie Samen

The umbrella organization of the Dutch cooperative movement. Founded in 2019 to give the sector a single political voice and to solve the problem banks will not touch: financing the pre-project phase.

438 direct members
702 cooperatives in the ecosystem
2019 founded
View full case →
Illustrative photo: wind turbines in a field at sunset
Netherlands - Wind cooperative

Zeeuwind

From three 75 kW turbines in the 1980s to the 100 MW Windpark Krammer. Proof that a cooperative can scale four orders of magnitude without ceasing to be a cooperative.

2,994 members (2022)
71 turbines (2021)
1987 founded
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Illustrative photo: aerial view of residential rooftops
Netherlands - Regulatory framework

Postcoderoos and the shared solar model

If you don't have a roof, you can still participate. The scheme that allowed tenants and apartment dwellers to co-own solar panels within their own postal code area.

69% of cooperatives do solar
1 / 5 minimum member per kWp
2014 scheme launch
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Illustrative photo: wind turbines on green hills
Denmark - Island

Samso

A farming island of 3,929 inhabitants with no technological advantage. In five years it became self-sufficient; in ten, carbon negative. The key ingredient was a schoolteacher and hundreds of meetings.

34 MW wind (11 onshore + 23 offshore)
90% turbines locally owned
7-8 year payback
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Illustrative photo: offshore wind farm
Denmark - Offshore wind

Middelgrunden

50% citizen cooperative, 50% municipal utility. 8,500 Copenhageners put up EUR 23 million to own half of a 40 MW wind farm just off their own city.

7.5% annual return
8 year payback
8,500+ shareholders
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Illustrative photo: row of solar panels under a cloudy sky
Denmark - Regulatory framework

Danish Energy Community Model

At its peak, 80% of Danish turbines were owned by individuals or cooperatives. Today the law requires offering 20% of every new wind farm to local residents. Social acceptance was not requested: it was bought with ownership.

20% mandatory local shares
5-8% typical return
>50% electricity from wind
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Illustrative photo: solar panel field under blue sky
Germany - Second-tier cooperative

Bürgerwerke

145 cooperatives generate; one markets it all. Solves the bottleneck every cooperative hits when growing: selling energy requires licenses, billing, and customer service.

145 member cooperatives
1,400+ aggregated installations
518 M kWh generated (2024)
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Illustrative photo: electricity transmission towers at sunset
Germany - Citizen grid

EWS Schönau

Chernobyl reached a town of 2,500 inhabitants in 1986. Eleven years and two referendums later, its residents owned the electrical grid. Today they sell electricity to 200,000 customers.

9,000+ cooperative members
200,000+ customers
85% votes in the 1996 referendum
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Illustrative photo: small wind turbine next to a solar panel
Germany - Regional cooperative

Energiegenossenschaft Starkenburg

474 members have financed 30 installations without a single cent of bank debt. Their distribution principle — "whoever sees it should benefit" — is the one La Guajira needs most.

474 members
100% citizen capital
EUR 2,000 minimum investment
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Illustrative photo: manual installation of a solar panel
Colombia - 31 projects

The Colombian cases

31 documented projects in 16 departments: agrivoltaics in Jamundi, Wayuu nanogrids in Uribia, the first regulated energy community in Medellin. And also the batteries that exploded in Mucura.

31 documented projects
16 departments
22 operational
View all 31 projects →
Illustrative photo: aerial view of solar panels over a meadow
National federation

Energie Samen

Development fund for the pre-project phase, realization fund with Triodos and Rabobank, and a training academy. The most replicable institutional model in the corpus.

438 direct members
EUR 1M maximum loan
340.6 MW cooperative wind
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Illustrative photo: wind turbines in a field at sunset
Wind cooperative

Zeeuwind

The cooperative with the most members in the Netherlands. Municipalities and businesses are members alongside individuals, all with one vote.

2,994 members (2022)
100 MW Windpark Krammer
1987 founded
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Illustrative photo: aerial view of residential rooftops
Regulatory framework

Postcoderoos and the shared solar model

Replaced by the SCE in 2021, with EUR 78 million allocated in 2026 and 15 years of tariff certainty per project.

EUR 250-500 investment per share
15 years of subsidy
361 MWp in pipeline (172 projects)
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Illustrative photo: wind turbines on green hills
Island

Samso

The most replicable model in Colombian ZNI (off-grid areas): San Andres, Providencia, the Pacific coast. And energy tourism as a supplementary income source.

3,929 inhabitants
6,000+ visitors per year
EUR 50M total investment
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Illustrative photo: offshore wind farm
Offshore wind

Middelgrunden

40,500 shares at ~EUR 570 each, one vote per member regardless of share count. The Colombian equivalent: EPM or Celsia as a 50/50 partner with a citizen cooperative.

40 MW 20 turbines x 2 MW
100 GWh annual generation
76,000 tCO2 avoided/year
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Illustrative photo: row of solar panels under a cloudy sky
Regulatory framework

Danish Energy Community Model

Community compensation fund of 0.004 DKK/kWh and tax incentives for cooperative share purchases. Fifty years of sustained policy.

80% community turbines (historical)
7 GW total wind capacity
7-10 year payback
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Illustrative photo: solar panel field under blue sky
Second-tier cooperative

Bürgerwerke

German Sustainability Award 2025. Each member cooperative has one vote, regardless of size, and retains local autonomy.

213,000 tCO2 saved (2024)
145 member cooperatives
2013 founded
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Illustrative photo: electricity transmission towers at sunset
Citizen grid

EWS Schönau

The Sonnencent: half a cent per kWh on every bill, reinvested in new citizen projects. EUR 1.8 million in 2020; 3,100 projects supported.

3,100+ projects supported
30 MW supported capacity
9 communities with own grid
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Illustrative photo: small wind turbine next to a solar panel
Regional cooperative

Energiegenossenschaft Starkenburg

26 solar plants, 3 turbines, and a biogas plant. Evolved from an energy cooperative to a climate protection cooperative.

30 installations
2,000 kW citizen turbine
2010 founded
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Illustrative photo: manual installation of a solar panel
Valle del Cauca - Operational

Bocas del Palo

First energy community of the Colombian Pacific. 101.4 kWp agrivoltaic array with vegetables grown beneath the panels, managed by the Consejo Comunitario de Comunidades Negras (Afro-Colombian community council).

101.4 kWp capacity
115 families
53% bill reduction
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Illustrative photo: solar panels in front of an institutional building
La Guajira - Operational

Miichi Ka'i ("House of the Sun")

82 nanogrids, 40 microgrids, and 183 individual systems for 1,409 Wayuu families across 148 communities. Named in Wayuunaiki by the communities themselves.

1,067.85 kWp capacity
1,409 families
$47,000 M IPSE investment
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Illustrative photo: aerial view of residential rooftops
Antioquia - Operational

Laureles — First regulated community

The country's first regulated energy community under CREG (energy regulator) Resolution 101 072, activated in April 2026 in partnership with EPM. 20 users, surplus distributed via the grid.

20 users
20% bill savings
2026 activation
View full case →

Photographs are illustrative and sourced from stock image banks: they are not records of the described projects.

Forty years of track record, not theory

In Denmark, 80% of turbines were once owned by individuals or cooperatives. In the Netherlands, 702 cooperatives cover 89% of municipalities and group around 139,000 members. This is not a model to be tested: it is a model with history.

The numbers

Comparisons the source actually supports

Only data declared by the research is charted. Where there is a date and a fact but no number, a timeline is built, not a curve.

The units are not interchangeable: Middelgrunden counts shareholders, Zeeuwind and Starkenburg count members, and the Dutch bar is the full ecosystem of 702 cooperatives, not the Energie Samen membership (438 direct members). Logarithmic scale.

Deliberately not a pie chart. The 69% / 9% / 11% are percentages of cooperatives working in each technology, and a single cooperative can work in several. They add up to 89%, not 100%. A pie chart would assert an exclusive division of the total that the source does not declare.

Four distinct objects measured in the same unit: Krammer is a wind farm; Middelgrunden, an offshore park; Samso, an entire island (11 MW onshore + 23 MW offshore); and the 30 MW from EWS are the sum of 3,100 citizen projects supported via Sonnencent. Comparable in MW, not in nature.

Returns and minimum investment

The source gives ranges, not series. A bar chart for "5-8%" would have to pick a point within the range and invent the precision; a table preserves them as written.

Return, payback, and minimum investment declared per case.
Case Annual return Payback Minimum entry
Middelgrunden 7.5% 8 years ~EUR 570 / share
Danish wind cooperatives 5-8% 7-10 years Not disclosed
Samso Not disclosed 7-8 years Not disclosed
Starkenburg Not disclosed Not disclosed EUR 200 entry / EUR 2,000 total
Postcoderoos / SCE Not disclosed Not disclosed EUR 250-500 / share
All cases

Comparative table

Sort by any column. Fields the source does not declare are shown as "Not disclosed" and always sort last.

The nine European cases. "Founded" is left blank for Postcoderoos and the Danish Model because they are not organizations but regulatory frameworks: they have a period, not a founding year.
Case Country Type Founded Members Member unit Declared scale Financial innovation
Energie Samen Netherlands National federation 2019 438 direct members 702 cooperatives; 340.6 MW cooperative wind Ontwikkelfonds + Realisatiefonds (EUR 30,000-1,000,000)
Zeeuwind Netherlands Regional wind cooperative 1987 2,994 members 71 turbines; Krammer 100 MW (with DeltaWind) Shares + banking + SDE++
Postcoderoos / SCE Netherlands Regulatory framework Period 2014-present Not disclosed n/a 361 MWp in pipeline (172 projects) Bill discount + 15-year SCE subsidy
Samso Denmark Island energy community 1997 3,929 island inhabitants 34 MW wind; 4 biomass plants Individual + cooperative + municipal ownership; energy tourism
Middelgrunden Denmark Offshore wind cooperative 1996 8,500 shareholders 40 MW; 100 GWh/year 50/50 co-ownership with municipal utility; 40,500 shares
Danish Model Denmark Regulatory framework Period 1970s-present Not disclosed n/a >7 GW wind; >50% of Danish electricity 20% mandatory to locals; 0.004 DKK/kWh fund
Bürgerwerke Germany Second-tier cooperative 2013 145 member cooperatives 1,400+ installations; 518 million kWh (2024) Joint aggregation and marketing (BürgerÖkostrom)
EWS Schönau Germany Electric cooperative / grid 1994 9,000 cooperative members 200,000+ customers; grids in 9 communities; 30 MW supported Sonnencent: 0.5 cents/kWh → EUR 1.8M/year reinvested
Starkenburg Germany Regional cooperative 2010 474 members 26 solar + 3 wind + 1 biogas 100% citizen capital; EUR 200 + subordinated loan ≥EUR 1,800

The financial case, in one example

Middelgrunden: 8,500 shareholders put up EUR 23 million to own half of a 40 MW wind farm off Copenhagen. 7.5% annual return, 8-year payback, and 76,000 tonnes of CO2 avoided each year. None of these figures are transferable to Colombia without adaptation — they are shown as evidence that the model works.

Synthesis

5 Lessons for Colombia

The strategic priorities that emerge from the nine cases.

1 - Regulatory framework

Adopt the Danish requirement of mandatory community participation — 20% of shares in every new project offered to local residents. This would turn the large wind and solar parks of La Guajira and Cesar into participation opportunities instead of conflicts. Colombia also needs an equivalent of the Dutch SCE, enabling shared cooperative generation with bill credit.

2 - Financial instruments

Create a Development Fund modeled on the Ontwikkelfonds to finance the pre-project phase: feasibility studies, permits, measurements. This is the precise point where risk is highest and traditional banks will not participate. Add a Sonnencent-type mechanism in the community tariff and micro-investment schemes starting at COP 200,000, calibrated to Colombian purchasing power.

3 - Institutional architecture

Establish a national federation of energy communities (Energie Samen model) and a second-tier cooperative for joint marketing (Bürgerwerke model). Separating generation from marketing allows each level to focus on what it does best. Plus a training academy for community energy leaders.

4 - Strategic pilots

Three pilots, three models: an "energy island" in a Colombian ZNI (off-grid area, Samso model); a cooperative-utility co-ownership project in a mid-sized city (Middelgrunden model); and a shared solar cooperative in an urban neighborhood (Postcoderoos model).

5 - Communication and culture

Build local energy sovereignty narratives — Colombia's equivalent of the "rebels of Schönau." Document and publicize the stories of the first Colombian cooperatives, and develop energy tourism at successful pilot sites, as Samso did with its 6,000 annual visitors.

What these cases do not prove

Four of the nine were born with guaranteed feed-in tariffs that Colombia does not have, and all operate on a century-long cooperative tradition and a density of municipal institutions with no direct equivalent here. None of the return figures on this page are transferable to a Colombian project: they are the result of liberalized electricity markets, decades of sustained subsidies, and far higher income levels. They are presented as evidence that the model works, not as projections of what it would yield in Colombia.

Which of these models
resembles your territory?

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