80% solar self-consumption, energy bills close to zero

8 Minergie-P homes in Geneva combining performance and lasting value.

Homsphere 22.08.2025

New build

Project overview

Location
Geneva, Switzerland
Delivery
2024
Project type
New build
Units
8 attached houses
Living space
1000 m²
Heating
Geothermal heat pump
Label
Minergie P
PV system
87 kWp
Battery
60 kWh
Self-consumption
80%

Context and challenges

This new Minergie-P certified development was designed to go beyond today’s energy standards. The goal was to deliver a project that is exemplary in terms of energy and environmental performance, already aligned with the 2030–2050 requirements, while remaining attractive on the market and competitive on margins.

Challenges

We wanted to deliver a project that is exemplary in energy and environmental terms, while remaining attractive on the market.

Real estate developer, Geneva

With Homsphere

80 % self-consumption

Owners cover 80% of their energy needs through their own production.

100 CHF / year

Electricity, heating and EV charging included.

5,000 to 8,000 km / year

EV charging integrated into the service charges.

Without Homsphere

≈ 25 % self-consumption

A large share of energy is fed back into the grid without being used on site.

≈ 2,500 CHF / year

Average annual energy bill per unit, excluding mobility.

0 km included / year

Mobility remains entirely at the owner’s expense.

Homsphere Impact

Environment

Reducing the carbon footprint

Local clean energy helps cut emissions, complementing the building’s performance.

Marketability

A property that attracts the market

Meets the expectations of new owners: comfort, sustainability, cost control and compliance.

Financeability

Greater borrowing capacity

Near-zero energy costs increase an owner’s borrowing capacity by 10 to 15 %.

Regulation

Ready for 2030–2050

A project aligned with tomorrow’s climate targets, with no extra burden for owners.