| BUILD UP

A portal to foster knowledge sharing about energy efficiency and renewable energy related to the building and construction sector in Europe.

Contributions in this theme (2893)

The image shows a minimalist two‑storey house featuring cool tones and a simple geometric design. On the ground floor, there is a garage and a main entrance, complemented by small decorative plants.

Redefine building energy modelling with OpenStudio

OpenStudio drives energy design with an open platform that combines precise modelling, advanced daylight analysis, and flexible workflows for more efficient and better‑informed buildings.

Tool

13/02/2026

Rows of solar panels stretch across an open field beneath a blue sky dotted with fluffy clouds. The scene conveys a clear commitment to renewable energy in a natural setting.

Local environmental impacts and benefits of large-scale solar photovoltaic plants

What are the environmental impacts of large-scale solar plants and the opportunities to reduce effects and generate benefits through planning and sustainable practices?

Publication

13/02/2026

‘It is necessary to clarify the boundaries between Asset Digital Twins (ADTws) and Digital Building Logbooks (DBLs). Are DBLs the digital thread of the ADTw or just part of it?’

Building conversations up with... Eduard Loscos, R&D Manager at IDP Bureau Veritas and President of the Building Digital Twin Association.

News

12/02/2026

The image shows several solar panels installed on a sloped tiled roof. The panels are positioned to capture sunlight and form part of a renewable energy system.

Photovoltaics on rooftops: redefining the solar potential of buildings

A new European analysis reveals that the solar potential on rooftops could transform the energy system: up to 40% of future electricity could be generated from rooftops.

News

11/02/2026

The image shows a modern building with spacious terraces and glass façades, surrounded by greenery that softens its urban character. In the background, taller residential towers rise above it, creating a contrast between architectural scales.

Zero-Carbon collective housing in Xi’an

Shuiyifang Housing integrates photovoltaic generation, full electrification, and passive strategies to achieve near‑zero energy consumption and reduce operational costs, establishing a residential model with very low energy demand.

Case study

10/02/2026

The image shows a multi‑storey building under construction, with exposed concrete structures and scaffolding supporting the upper levels. Bright orange support beams and open framework reveal the early stage of the building’s structural development.

The energy transition accelerates with heat pumps

Heat pumps are gaining ground in Europe: new technical solutions and business models aim to drive their adoption and accelerate the shift towards clean, accessible, and future-ready heating.

News

10/02/2026

A red barn stands beside a wide golden crop field. In the distance, a wind turbine rises beneath a clear blue sky.

Innovation landscape for sustainable development powered by renewables

How can innovations in renewable energy and systemic models accelerate the transition towards global sustainable development?

Publication

09/02/2026

Aerial view of a European residential district with semi-transparent digital building overlays showing renovation and energy performance data, illustrating Plovdiv’s Renovation Twin concept.

Plovdiv's Renovation Twin: a digital game changer for home renovations

The Renovation Twin of the city of Plovdiv (Bulgaria) overcomes crucial gaps in building data availability and alignment, adopting a powerful, data-driven approach to accelerate home renovations across the Plovdiv Region.

Technical Article

09/02/2026