RE100 · Renewable Procurement · International Mitigation

Designing the shift to renewables — and the carbon cuts that follow.

CARBON STAR is an environment and energy partner for corporate carbon neutrality. Through RE100 consulting, renewable energy procurement and international mitigation projects, we connect every step — from strategy to procurement, contracts and reporting.

RECBuying RECs for operations in Korea
We don’t stop at strategy. Procurement, contracts and reporting — we build carbon neutrality a company can actually deliver.
Carbon Star · Environment & energy partner
Korean RECs

Korean RECs for your Korean sites, direct from generators.

CARBON STAR is a generator-side sales agent, authorized by Korean generators to sell their RECs.

  1. 01You sign the REC purchase agreement directly with the generator
  2. 02No separate brokerage fee charged to buyers
  3. 03CARBON STAR manages volume and terms, contract steps, administration and settlement
REC transactions supported
80,313MWh
17Transactions
Feb 2025 – Sep 2026Reporting period

Global companies incl. a semiconductor materials company · Cumulative figures for the period shown; not current available supply.

한국어: REC 구매
01 Business

Three practices, one path to net zero.

From RE100 implementation strategy to renewable procurement and overseas mitigation projects, our support is built around three core areas.

02 Track Record

Our work, in numbers.

Projects delivered across RE100 consulting, renewable procurement and international mitigation since 2023.

21projectsRE100, procurement & mitigation projects (2023–2026)
80,313MWhREC transaction volume supported · 17 transactions (Feb 2025 – Sep 2026)
15,348tCO₂eqKOC & i-KOC credits traded
4countriesCambodia, Laos, Mongolia, Kyrgyzstan
03 Process

From first call to final filing, one continuous flow.

How we work — from the first consultation through contracts, reporting and the administration that follows, reviewed within a single process.

  1. 01Consultation

    Inquiry & initial consultation

    We confirm your RE100, procurement and mitigation challenges and define the scope of review.

  2. 02Data review

    Power-use data & site information

    We gather consumption data, site characteristics and everything the analysis requires.

  3. 03Analysis

    Site-level procurement & reduction potential

    We analyse rooftop conditions, consumption patterns and reduction potential at each site.

  4. 04Economics

    Cost & risk by instrument

    We compare the economics and risks of rooftop solar, PPAs, RECs, green premium and more.

  5. 05Strategy

    Procurement portfolio or project strategy

    We set a year-by-year procurement portfolio or a mitigation project development strategy.

  6. 06Execution

    Contracts, procurement, reporting & admin

    We support contract negotiation, procurement execution, reporting and post-transaction administration.

04 Scope

Where we work with you.

From data analysis to contract execution and across the wider carbon and energy field — connected around the issues specific to your company.

Data

Data-driven strategy

We combine power-use data, site characteristics, instrument economics and supply-chain requirements into an RE100 roadmap your company can actually carry out.

Execution

Contract & procurement support

From collecting initial PPA proposals and comparing terms, to selecting preferred bidders, negotiating contracts, executing REC trades and follow-up administration.

Integration

Integrated carbon & energy review

We connect RE100, renewable procurement, international mitigation and emissions-credit/REC practice through a dedicated project team for each client.

Contact

Let’s review your RE100 response and carbon reductions — together.

Tell us about your RE100, renewable procurement or international mitigation challenges. Our team will review and get back to you.