Sofia, Bulgaria

Your Local Partner for Energy Investments in Bulgaria

Project scouting, acquisition support, due diligence, technical advisory, and development partnership for renewable energy and storage projects.

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18+
Years Combined IPP Experience
5000+
MW of Projects Supported
10+
Countries with Project Delivery
Who We Are

Engineering & Advisory for Renewable Energy

IS Energy Consulting is a Sofia-based firm helping foreign investors identify, evaluate, and acquire ready-to-build renewable energy and storage projects in Bulgaria. We provide full-cycle support from project scouting through due diligence, permitting, and grid connection to successful closing.

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Full-Spectrum Support

From scouting and technical due diligence to commercial analysis and transaction advisory — all under one roof.

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International Standards

Bankable deliverables aligned with international lender and investor requirements, backed by decades of global IPP experience.

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Trusted Local Partner

Trusted by international IPPs, funds, and developers entering the Bulgarian market, with direct relationships to regulators and the TSO.

Bulgarian Market

Why Bulgaria for Renewable Energy?

Bulgaria offers compelling fundamentals for renewable energy and storage investment within the EU framework.

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EU Member State

Full EU regulatory framework, access to EU funding mechanisms, and stable investment protection under European law.

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Strong Solar & Wind Resource

Excellent solar irradiation in southern regions and strong wind corridors along the Black Sea coast and mountain ridges.

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Grid Capacity Available

Active grid connection processes with ESO (Bulgarian TSO). New transmission investments expanding capacity for RES integration.

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Competitive Costs

Significantly lower land lease rates and development costs compared to Western European markets, improving project IRR.

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Growing Project Pipeline

Expanding pipeline of ready-to-build solar, wind, and BESS projects driven by national climate targets and EU decarbonization goals.

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Supportive Policy Framework

National Energy and Climate Plan targeting 27% RES by 2030. Streamlined permitting reforms and corporate PPA market development.

What We Do

Core Capabilities

Full-cycle support from initial scouting through acquisition, development, construction, and operations.

Project Scouting 01

Project Scouting & Acquisition

Systematic screening of Bulgarian RTB solar, wind, and BESS projects with direct access to local developers and project originators.

  • Pipeline identification & shortlisting
  • Valuation & transaction advisory
  • Grid connection transfer support
  • Post-acquisition integration
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Due Diligence 02

Due Diligence & Advisory

Comprehensive technical, commercial, and environmental due diligence for acquisition targets, aligned with bankability standards.

  • Technical DD & bankability assessment
  • Commercial & market modelling
  • Environmental due diligence
  • Grid impact studies
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Development Partnership 03

Development Partnership

End-to-end development support from structuring through permitting, grid connection, engineering design, and construction supervision.

  • Development structuring
  • Permitting & EIA management
  • Grid connection securing
  • Construction supervision
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Engineering 04

Engineering & Technical Services

Detailed design, BESS integration, substation engineering, SCADA, and performance modelling for utility-scale projects.

  • Solar PV & wind design (10+ MWp)
  • Utility BESS (5 MWh+)
  • MV/HV substation design
  • Automation, SCADA & forecasting
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End-to-End

Project Lifecycle Support

We support investors at any stage of the project lifecycle, from initial scouting through operational handover.

1
Concept & Site Screening
Resource assessment, land suitability, grid proximity
2
Pre-Project Studies
Feasibility, energy yield, grid impact analysis
3
Engineering & Permitting
Detailed design, protection schemes, compliance
4
Procurement & EPC
Tender packages, EPC evaluation, CAPEX optimization
5
Construction Oversight
QA/QC supervision, progress monitoring
6
Commissioning
Testing, TSO coordination, performance validation
7
Operational Optimization
Monitoring, EMS optimization, lifecycle planning
Why IS Energy Consulting

The Right Partner in Bulgaria

Competitive costs, deep local expertise, and international quality standards — all in one team.

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Proven track record in complex RES and grid projects across Bulgaria and internationally

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Deep regulatory knowledge — Bulgarian permitting, grid codes, and TSO procedures

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Full-cycle support from scouting through DD, acquisition, project delivery, and operations

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Environmental DD expertise including EIA review and compliance verification

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Competitive cost structure with Western European quality standards

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IPMA/PMP certified management, fluent English, and international project team experience

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Direct relationships with Bulgarian TSO (ESO EAD), developers, and regulatory authorities

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Flexible engagement — from single-discipline DD to full local partner scope

Leadership

Key People

ES

Dipl. Eng Emil Shopov, PMP®

MSc Thermal Power Engineering, TU Sofia

20+ years in renewable energy, storage, and thermal generation. Former CEO at Sunterra RE and Project Director at ContourGlobal. Full project lifecycle expertise from origination to COD.

IS

Dipl. Eng Ivan Stoyanov, IPMA®

MSc Electrical Engineering, TU Sofia

20+ years in power engineering and project management. Former PM at Siemens for HV T&D. Led major capital projects at ContourGlobal Maritza East 3 and utility BESS development.

Let's Build Together

Ready to discuss how IS Energy Consulting can support your renewable energy investments in Bulgaria?

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