Sustainability requires numbers, not just declarations of intent. A battery storage system delivers measurable CO2 reduction, concrete data for ESG reporting, and a documentable contribution to the climate targets 2050.
Companies are under growing pressure to back their sustainability goals with concrete measures. Investors demand ESG data, regulators are tightening reporting requirements, and customers prefer sustainable partners. Declarations of intent are no longer enough.
A battery energy storage system (BESS) combined with a PV system makes sustainability measurable. The storage increases self-consumption of solar electricity, displaces CO2-intensive grid electricity, and delivers continuously documented data for reporting.
Measurable, Not Declarative
The energy management system records every kWh: how much PV electricity was stored, how much grid electricity was displaced, how much CO2 was avoided. This data is auditable and meets the requirements of common ESG frameworks.
Switzerland has committed to net zero by 2050. Cantonal energy laws, the CSRD reporting obligation, and industry-specific requirements are continuously tightening demands on companies. Those who invest in the energy transition today meet regulatory requirements proactively rather than reactively.
A BESS is more than a technical measure. It is a documentable building block of corporate strategy that combines economic benefits (self-consumption optimization, peak shaving) with measurable sustainability.
Dual Benefit
A battery storage system lowers energy costs and CO2 emissions simultaneously. Economic optimization and sustainability are not contradictions but two sides of the same investment.
CO2
Measurable CO2 Reduction
Through higher PV self-consumption and displacement of grid electricity, the CO2 footprint is measurably reduced. The reduction can be quantified and reported in sustainability reports.
ESG
Support ESG Reporting
A BESS delivers concrete data for ESG reporting: self-consumption rate, avoided emissions, share of renewable energy. Numbers instead of promises for investors and stakeholders.
2050
Achieve Climate Targets 2050
Switzerland aims for net zero by 2050. Companies investing in battery storage today position themselves as frontrunners and proactively meet regulatory requirements.
Maximize PV Self-Consumption
Without storage, surplus solar electricity is fed into the grid. With BESS, this electricity is stored and consumed later. Every kWh of self-consumption replaces grid electricity and directly reduces the CO2 footprint.
Quantifiable Emission Reduction
The energy management system records how much grid electricity was displaced by stored PV electricity. Using the emission factor of the Swiss electricity mix, the CO2 savings can be precisely calculated and documented.
Regulatory Compliance
The federal Climate Strategy 2050, cantonal energy laws, and industry-specific requirements increasingly demand concrete emission reduction measures. A BESS is a verifiable investment in the energy transition.
Sustainability Strategy, Not a One-Off Measure
A battery storage system is not just an energy investment. It connects economic optimization with measurable sustainability and strengthens your position with customers, investors, and regulators.
Find all use cases in detail on our use cases page.
Together we assess how a BESS can improve your ESG goals and CO2 footprint.
Mitglied von
The energy management system continuously records how much grid electricity is displaced by stored PV electricity. Using the official emission factor of the Swiss electricity mix (published by the FOEN), the avoided CO2 amount is calculated. This data flows directly into ESG reporting and can be verified by independent auditors.
A BESS provides, among others: self-consumption rate (share of PV electricity in total consumption), displaced grid electricity volume in kWh, calculated CO2 savings in tons, share of renewable energy in total consumption. These metrics meet the requirements of common ESG frameworks such as GRI, CSRD, and CDP.
Lithium-ion batteries have an ecological footprint during manufacturing. Over the entire lifespan (15-20 years), the avoided emissions from higher PV self-consumption and displacement of fossil peak-load electricity production far outweigh this. The energy payback time is typically 1-2 years. At end of life, the materials can be recycled.
BESS projects can contribute to various certifications: ISO 14001 (environmental management), Minergie (building standard), 2000-Watt Site, and industry-specific sustainability labels. The measurable data from the energy management system significantly facilitates documentation and verification.
A BESS supports compliance with various regulatory requirements: Climate Strategy 2050 (net-zero target), cantonal energy laws (self-consumption obligations for new buildings), CSRD reporting obligations (from 2026 for certain companies), and industry-specific emission regulations. Investing in a storage system is a documentable step toward compliance.
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