Episode Summary
Executive Summary: Danelle Baird explains how his Brooklyn upbringing with energy poverty shaped Block Power, a for-profit company that electrifies and decarbonizes buildings, especially in low-income communities. He argues that buildings are a major source of emissions, that electrification is already technologically feasible, and that combining financing, labor training, and public policy can make the transition profitable and scalable.
Main Topics: Energy poverty and childhood experience in Brooklyn (Priority: 5/5): Baird recounts growing up in Bed-Stuy in buildings with broken heating systems, where families used gas ovens for heat, shaping his understanding of energy neglect and public health risks. Buildings as a major climate target (Priority: 5/5): He explains that buildings account for a large share of emissions in the U.S. and globally, and that climate action cannot succeed without decarbonizing homes and apartments. From public policy to entrepreneurship (Priority: 4/5): His work in Obama-era organizing and the Department of Energy exposed him to systemic inefficiencies and revealed a market opportunity in green buildings, leading him to found Block Power. Block Power's electrification model (Priority: 5/5): The company converts buildings to all-electric systems by replacing fossil-fuel equipment with induction stoves, heat pumps, and cleaner electricity sources such as hydro, solar, and wind. Financing the transition through savings (Priority: 5/5): Baird describes a financing structure that pays for upgrades upfront and repays costs through energy savings, making decarbonization affordable for cash-strapped building owners. Jobs, equity, and workforce development (Priority: 4/5): Block Power aims to hire and train workers from low-income communities, turning climate work into an economic opportunity and reducing both fossil fuel waste and human potential waste. Scaling through government, Wall Street, and public ownership (Priority: 4/5): He argues that large-scale electrification will require federal incentives, city contracts, Wall Street capital, and broader public participation through crowdfunding and eventual IPO.
Key Arguments: Buildings are one of the biggest sources of emissions, especially in cities, so decarbonizing them is essential to solving climate change. Electrification is the practical path: replace fossil-fuel appliances and heating systems with all-electric equipment, then power them with clean electricity. The technology already exists; the challenge is financing, implementation, and organizing the market at scale. Low-income neighborhoods should be prioritized because they suffer the most from energy burden, unhealthy indoor air, and underinvestment. Energy upgrades can save owners money, making it possible to repay upfront costs over time while still lowering bills. Climate infrastructure can create good jobs, especially for workers in communities historically excluded from wealth-building. A broad coalition of government, Wall Street, and ordinary investors is needed to scale the solution and make it politically durable.
Data Points: U.S. carbon emissions from buildings: Almost one-third (about 30%) - Guy Ross introduces the episode by noting the share of American carbon emissions that comes from buildings. Global CO2 emissions from buildings: 15% - Baird states that buildings account for 15% of world CO2 emissions. New York City building emissions share: 67% - Baird says buildings represent 67% of New York City's CO2 emissions. Number of buildings converted by Block Power: More than 1,200 - Ross describes Block Power's scale to date. City electrification agreement: Ithaca, New York - Block Power signed a deal to electrify and decarbonize every building in the city. Buildings in America: 125 million - Baird estimates the total number of buildings in the U.S. when discussing the scale of the opportunity. Estimated cost to green U.S. buildings: $5 trillion - He says fully decarbonizing all American buildings would cost about $5 trillion. Federal green-building investment: $6.5 billion - Baird references Recovery Act funds invested in greening low-income buildings. Labor pension capital mentioned: $90 billion - He says labor unions had $90 billion in pension funds available to co-invest. Desired workforce scale: A million laid-off construction workers - He cites the goal of rehiring and retraining workers for green building retrofits. Church monthly energy bill before retrofit: $10,000 per month - Example of a Brooklyn church burdened by fossil-fuel energy costs. Church revenue and energy burden: $300,000/year revenue; $100,000-$120,000/year energy costs - Illustrates how high utility bills strain low-income institutions. Savings from retrofit example: About $36,000/year - Baird says the church could reduce monthly energy spending from $10,000 to about $7,000. Retrofit capital example: $25,000 - He gives this as the upfront cost to finance the church's improvements. Average home electrification cost: About $100,000 - Baird estimates the average American home may cost this much to electrify. Reported revenue last year: $18 million - He says Block Power generated about $18 million in revenue last year. Profit mentioned: About $1 million - Baird says the company was likely profitable last year, with roughly $1 million in profit. Capital raised: Over $60 million - Ross notes Block Power has attracted more than $60 million in investment. Workforce hiring in New York project: 1,500 people - Block Power is hiring from low-income communities in a project with Mayor Eric Adams. Hourly wages for trainees: $20 to $40 an hour - Baird describes pay for workers training to electrify buildings. Gang member cohort: About 50 people - He says a street gang of roughly 50 agreed to shut down if trained and employed. Potential annual earnings for workers: $70,000 to $80,000 - Baird cites possible incomes for trained electrification workers. Ithaca timeline: 4 years - The city contract calls for electrifying every building within four years. Clean electricity source example: Hydroelectric power from Quebec - He explains that New York City can source cleaner electricity from a Canadian hydro project. Federal loan to Tesla: $500 million - Baird references a DOE loan as an example of successful government climate investment. Wall Street climate capital: $700 billion - He says Goldman Sachs has allocated this amount for climate-related investment. Public climate-loan figure: $40 billion - Baird mentions taxpayer-backed loans to green energy companies.
Pivotal Quotes: "Why are we digging up dead dinosaurs and burning them in our houses? This isn't ancient Mesopotamia." — Danelle Baird: He argues that fossil-fuel heating is outdated, inefficient, and absurd in modern buildings. "We can go into basically any building in America and rip out the existing fossil fuel equipment... and replace it with equipment that only uses electricity." — Danelle Baird: He summarizes Block Power's core technical strategy for building decarbonization. "We need regular working and middle-class Americans to embrace the opportunity of climate change to make money." — Danelle Baird: He explains his vision for broader ownership and participation in the green economy.
Implications: The episode frames building electrification as a fast, scalable climate solution that can also lower bills, create jobs, and broaden wealth creation. If scaled, it could reshape housing, labor, and climate policy.
About How I Built This with Guy Raz
Guy Raz interviews the world’s best-known entrepreneurs to learn how they built their iconic brands. In each episode, founders reveal deep, intimate moments of doubt and failure, and share insights on their eventual success. How I Built This is a master-class on innovation, creativity, leadership and how to navigate challenges of all kinds.New episodes release on Mondays and Thursdays. Listen to How I Built This on the Wondery App or wherever you listen to your podcasts. You can lis...