diff --git a/backend/models.py b/backend/models.py
index dbc9a822..2779b48e 100644
--- a/backend/models.py
+++ b/backend/models.py
@@ -42,9 +42,8 @@
 ]
 
 ProductionTechnology = Literal[
-    'FV', # Photovoltaic
-    'H', # Hidraulic
-    'E', # Eolic
+    'b11', # Photovoltaic
+    'b42', # Hidraulic
 ]
 
 DeviationIncluded = Literal[
diff --git a/frontend/src/pages/DetailInstallationPage/detailInstallationData.js b/frontend/src/pages/DetailInstallationPage/detailInstallationData.js
index af8f3217..8221cb3c 100644
--- a/frontend/src/pages/DetailInstallationPage/detailInstallationData.js
+++ b/frontend/src/pages/DetailInstallationPage/detailInstallationData.js
@@ -31,9 +31,8 @@ export function transformInstallationDetails(data) {
   if (!data) return undefined
   const t = i18n.t
   const productionTecnologyOptions = {
-    FV: t('INSTALLATION_DETAIL.TECHNOLOGY_PHOTOVOLTAIC'),
-    H: t('INSTALLATION_DETAIL.TECHNOLOGY_HYDRO'),
-    E: t('INSTALLATION_DETAIL.TECHNOLOGY_WIND'),
+    b11: t('INSTALLATION_DETAIL.TECHNOLOGY_PHOTOVOLTAIC'),
+    b42: t('INSTALLATION_DETAIL.TECHNOLOGY_HYDRO'),
   }
   return {
     ...data,
diff --git a/frontend/src/pages/DetailInstallationPage/detailInstallationData.test.js b/frontend/src/pages/DetailInstallationPage/detailInstallationData.test.js
index 69065d06..acd64650 100644
--- a/frontend/src/pages/DetailInstallationPage/detailInstallationData.test.js
+++ b/frontend/src/pages/DetailInstallationPage/detailInstallationData.test.js
@@ -85,23 +85,16 @@ describe('transformInstallationDetails', () => {
     const result = transformInstallationDetails(contractData)
     expect(result['technology']).toEqual('-')
   })
-  it('technology, replace E by Eólica', () => {
-    const contractData = {
-      technology: 'E',
-    }
-    const result = transformInstallationDetails(contractData)
-    expect(result['technology']).toEqual('Eólica')
-  })
   it('technology, replace PV by Fotovoltáica', () => {
     const contractData = {
-      technology: 'FV',
+      technology: 'b11',
     }
     const result = transformInstallationDetails(contractData)
     expect(result['technology']).toEqual('Fotovoltáica')
   })
   it('technology, replace H by Hidroeléctrica', () => {
     const contractData = {
-      technology: 'H',
+      technology: 'b42',
     }
     const result = transformInstallationDetails(contractData)
     expect(result['technology']).toEqual('Hidroeléctrica')